IDEV_Sites_Combined_Specifications_(003).pdf

Pinellas County Initial Deployment EV Sites 08/23

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 1

SECTION 260010 - SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Supplemental requirements generally applicable to the Work specified in Division 26.

This Section is also referenced by related Work specified in other Divisions.

1.2 REFERENCES

A. Abbreviations and Acronyms for Electrical Terms and Units of Measure:

1. 8P8C: An 8-position 8-contact modular jack.

2. A: Ampere, unit of electrical current.

3. AC or ac: Alternating current.

4. AFCI: Arc-fault circuit interrupter.

5. AIC: Ampere interrupting capacity.

6. AL, Al, or ALUM: Aluminum.

7. ASD: Adjustable-speed drive.

8. ATS: Automatic transfer switch.

9. AWG: American wire gauge; see ASTM B258.

10. BAS: Building automation system.

11. BIL: Basic impulse insulation level.

12. BIM: Building information modeling.

13. CAD: Computer-aided design or drafting.

14. CATV: Community antenna television.

15. CB: Circuit breaker.

16. cd: Candela, the SI fundamental unit of luminous intensity.

17. CO/ALR: Copper-aluminum, revised.

18. COPS: Critical operations power system.

19. CU or Cu: Copper.

20. CU-AL or AL-CU: Copper-aluminum.

21. dB: Decibel, a unitless logarithmic ratio of two electrical, acoustical, or optical power values.

22. dB(A-weighted) or dB(A): Decibel acoustical sound pressure level with A-weighting applied in accordance with IEC 61672-1.

23. dB(adjusted) or dBa: Decibel weighted absolute noise power with respect to 3.16 pW

(minus 85 dBm).

24. dBm: Decibel absolute power with respect to 1 mW.

25. DC or dc: Direct current.

26. DCOA: Designated critical operations area.

27. DDC: Direct digital control (HVAC).

28. EGC: Equipment grounding conductor.

29. ELV: Extra-low voltage.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 2

30. EMF: Electromotive force.

31. EMI: Electromagnetic interference.

32. EPM: Electrical preventive maintenance.

33. EPS: Emergency power supply.

34. EPSS: Emergency power supply system.

35. ESS: Energy storage system.

36. EV: Electric vehicle.

37. EVPE: Electric vehicle power export equipment.

38. EVSE: Electric vehicle supply equipment.

39. fc: Footcandle, an internationally recognized unit of illuminance equal to one lumen per square foot or 10.76 lx. The simplified conversion 1 fc = 10 lx in the Specifications is common practice and considered adequate precision for building construction activities.

When there are conflicts, lux is the primary unit; footcandle is specified for convenience.

40. FLC: Full-load current.

41. ft: Foot.

42. ft-cd: Foot-candle, the antiquated U.S. Standard unit of illuminance, equal to one international candle measured at a distance of one foot, that was superseded in 1948 by the unit "footcandle" after the SI unit candela (cd) replaced the international candle; see

"fc,"

43. GEC: Grounding electrode conductor.

44. GFCI: Ground-fault circuit interrupter.

45. GFPE: Ground-fault protection of equipment.

46. GND: Ground.

47. HACR: Heating, air conditioning, and refrigeration.

48. HDPE: High-density polyethylene.

49. HID: High-intensity discharge.

50. HP or hp: Horsepower.

51. HVAC: Heating, ventilating, and air conditioning.

52. Hz: Hertz.

53. IBT: Intersystem bonding termination.

54. inch: Inch. To avoid confusion, the abbreviation "in." is not used.

55. IP: Ingress protection rating (enclosures); Internet protocol (communications).

56. IR: Infrared.

57. IS: Intrinsically safe.

58. IT&R: Inspecting, testing, and repair.

59. ITE: Information technology equipment.

60. kAIC: Kiloampere interrupting capacity.

61. kcmil or MCM: One thousand circular mils.

62. kV: Kilovolt.

63. kVA: Kilovolt-ampere.

64. kVAr or kVAR: Kilovolt-ampere reactive.

65. kW: Kilowatt.

66. kWh: Kilowatt-hour.

67. LAN: Local area network.

68. lb: Pound (weight).

69. lbf: Pound (force).

70. LCD: Liquid-crystal display.

71. LCDI: Leakage-current detector-interrupter.

72. LED: Light-emitting diode.

73. Li-ion: Lithium-ion.

74. lm: Lumen, the SI derived unit of luminous flux.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 3

75. LNG: Liquefied natural gas.

76. LP-Gas: Liquefied petroleum gas.

77. LRC: Locked-rotor current.

78. LV: Low voltage.

79. lx: Lux, the SI derived unit of illuminance equal to one lumen per square meter.

80. m: Meter.

81. MCC: Motor-control center.

82. MDC: Modular data center.

83. MG set: Motor-generator set.

84. MIDI: Musical instrument digital interface.

85. MLO: Main lugs only.

86. MV: Medium voltage.

87. MVA: Megavolt-ampere.

88. mW: Milliwatt.

89. MW: Megawatt.

90. MWh: Megawatt-hour.

91. NC: Normally closed.

92. Ni-Cd: Nickel-cadmium.

93. Ni-MH: Nickel-metal hydride.

94. NIU: Network interface unit.

95. NO: Normally open.

96. NPT: National (American) standard pipe taper.

97. OCPD: Overcurrent protective device.

98. ONT: Optical network terminal.

99. PC: Personal computer.

100. PCS: Power conversion system.

101. PCU: Power-conditioning unit.

102. PF or pf: Power factor.

103. PHEV: Plug-in hybrid electric vehicle.

104. PLC: Programmable logic controller.

105. PLFA: Power-limited fire alarm.

106. PoE: Power over Ethernet.

107. PV: Photovoltaic.

108. PVC: Polyvinyl chloride.

109. pW: Picowatt.

110. RFI: (electrical) Radio-frequency interference; (contract) Request for interpretation.

111. RMS or rms: Root-mean-square.

112. RPM or rpm: Revolutions per minute.

113. SCADA: Supervisory control and data acquisition.

114. SCR: Silicon-controlled rectifier.

115. SPD: Surge protective device.

116. sq.: Square.

117. SWD: Switching duty.

118. TCP/IP: Transmission control protocol/Internet protocol.

119. TEFC: Totally enclosed fan-cooled.

120. TR: Tamper resistant.

121. TVSS: Transient voltage surge suppressor.

122. UL: (standards) Underwriters Laboratories, Inc.; (product categories) UL, LLC.

123. UL CCN: UL Category Control Number.

124. UPS: Uninterruptible power supply.

125. USB: Universal serial bus.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 4

126. UV: Ultraviolet.

127. V: Volt, unit of electromotive force.

128. V(ac): Volt, alternating current.

129. V(dc): Volt, direct current.

130. VA: Volt-ampere, unit of complex electrical power.

131. VAR: Volt-ampere reactive, unit of reactive electrical power.

132. VFC: Variable-frequency controller.

133. VOM: Volt-ohm-multimeter.

134. VPN: Virtual private network.

135. VRLA: Valve regulated lead acid; also called "sealed lead acid (SLA)" or "valve regulated sealed lead acid."

136. W: Watt, unit of real electrical power.

137. Wh: Watt-hour, unit of electrical energy usage.

138. WPT: Wireless power transfer.

139. WPTE: Wireless power transfer equipment.

140. WR: Weather resistant.

B. Abbreviations and Acronyms for Electrical Raceway Types:

1. EMT: Electrical metallic tubing.

2. EMT-A: Aluminum electrical metallic tubing.

3. EMT-S: Steel electrical metallic tubing.

4. EMT-SS: Stainless steel electrical metallic tubing.

5. ENT: Electrical nonmetallic tubing.

6. EPEC: Electrical HDPE underground conduit.

7. EPEC-40: Schedule 40 electrical HDPE underground conduit.

8. EPEC-80: Schedule 80 electrical HDPE underground conduit.

9. EPEC-A: Type A electrical HDPE underground conduit.

10. EPEC-B: Type B electrical HDPE underground conduit.

11. ERMC: Electrical rigid metal conduit.

12. ERMC-A: Aluminum electrical rigid metal conduit.

13. ERMC-S: Steel electrical rigid metal conduit.

14. ERMC-S-G: Galvanized-steel electrical rigid metal conduit.

15. ERMC-S-PVC: PVC-coated-steel electrical rigid metal conduit.

16. ERMC-SS: Stainless steel electrical rigid metal conduit.

17. FMC: Flexible metal conduit.

18. FMC-A: Aluminum flexible metal conduit.

19. FMC-S: Steel flexible metal conduit.

20. FMT: Steel flexible metallic tubing.

21. FNMC: Flexible nonmetallic conduit. See "LFNC."

22. HDPE: See EPEC.

23. IMC: Steel electrical intermediate metal conduit.

24. LFMC: Liquidtight flexible metal conduit.

25. LFMC-A: Aluminum liquidtight flexible metal conduit.

26. LFMC-S: Steel liquidtight flexible metal conduit.

27. LFMC-SS: Stainless steel liquidtight flexible metal conduit.

28. LFNC: Liquidtight flexible nonmetallic conduit.

29. LFNC-A: Layered (Type A) liquidtight flexible nonmetallic conduit.

30. LFNC-B: Integral (Type B) liquidtight flexible nonmetallic conduit.

31. LFNC-C: Corrugated (Type C) liquidtight flexible nonmetallic conduit.

32. PVC: Rigid PVC conduit.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 5

33. PVC-40: Schedule 40 rigid PVC conduit.

34. PVC-80: Schedule 80 rigid PVC Conduit.

35. PVC-A: Type A rigid PVC concrete-encased conduit.

36. PVC-EB: Type EB rigid PVC concrete-encased underground conduit.

37. RGS: See ERMC-S-G.

38. RMC: See ERMC.

39. RTRC: Reinforced thermosetting resin conduit.

40. RTRC-AG: Low-halogen, aboveground reinforced thermosetting resin conduit.

41. RTRC-AG-HW: Heavy wall, low-halogen, aboveground reinforced thermosetting resin conduit.

42. RTRC-AG-SW: Standard wall, low-halogen, aboveground reinforced thermosetting resin conduit.

43. RTRC-AG-XW: Extra heavy wall, low-halogen, aboveground reinforced thermosetting resin conduit.

44. RTRC-BG: Low-halogen, belowground reinforced thermosetting resin conduit.

C. Abbreviations and Acronyms for Electrical Single-Conductor and Multiple-Conductor Cable

Types:

1. AC: Armored cable.

2. CATV: Coaxial general-purpose cable.

3. CATVP: Coaxial plenum cable.

4. CATVR: Coaxial riser cable.

5. CI: Circuit integrity cable.

6. CL2: Class 2 cable.

7. CL2P: Class 2 plenum cable.

8. CL2R: Class 2 riser cable.

9. CL2X: Class 2 cable, limited use.

10. CL3: Class 3 cable.

11. CL3P: Class 3 plenum cable.

12. CL3R: Class 3 riser cable.

13. CL3X: Class 3 cable, limited use.

14. CM: Communications general-purpose cable.

15. CMG: Communications general-purpose cable.

16. CMP: Communications plenum cable.

17. CMR: Communications riser cable.

18. CMUC: Under-carpet communications wire and cable.

19. CMX: Communications cable, limited use.

20. DG: Distributed generation cable.

21. FC: Flat cable.

22. FCC: Flat conductor cable.

23. FPL: Power-limited fire-alarm cable.

24. FPLP: Power-limited fire-alarm plenum cable.

25. FPLR: Power-limited fire-alarm riser cable.

26. IGS: Integrated gas spacer cable.

27. ITC: Instrumentation tray cable.

28. ITC-ER: Instrumentation tray cable, exposed run.

29. MC: Metal-clad cable.

30. MC-HL: Metal-clad cable, hazardous location.

31. MI: Mineral-insulated, metal-sheathed cable.

32. MTW: (machine tool wiring) Moisture-, heat-, and oil-resistant thermoplastic cable.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 6

33. MV: Medium-voltage cable.

34. NM: Nonmetallic sheathed cable.

35. NMC: Nonmetallic sheathed cable with corrosion-resistant nonmetallic jacket.

36. NMS: Nonmetallic sheathed cable with signaling, data, and communications conductors, plus power or control conductors.

37. NPLF: Non-power-limited fire-alarm circuit cable.

38. NPLFP: Non-power-limited fire-alarm circuit cable for environmental air spaces.

39. NPLFR: Non-power-limited fire-alarm circuit riser cable.

40. NUCC: Nonmetallic underground conduit with conductors.

41. OFC: Conductive optical fiber general-purpose cable.

42. OFCG: Conductive optical fiber general-purpose cable.

43. OFCP: Conductive optical fiber plenum cable.

44. OFCR: Conductive optical fiber riser cable.

45. OFN: Nonconductive optical fiber general-purpose cable.

46. OFNG: Nonconductive optical fiber general-purpose cable.

47. OFNP: Nonconductive optical fiber plenum cable.

48. OFNR: Nonconductive optical fiber riser cable.

49. P: Marine shipboard cable.

50. PLTC: Power-limited tray cable.

51. PLTC-ER: Power-limited tray cable, exposed run.

52. PV: Photovoltaic cable.

53. RHH: (high heat) Thermoset rubber, heat-resistant cable.

54. RHW: Thermoset rubber, moisture-resistant cable.

55. SA: Silicone rubber cable.

56. SE: Service-entrance cable.

57. SER: Service-entrance cable, round.

58. SEU: Service-entrance cable, flat.

59. SIS: Thermoset cable for switchboard and switchgear wiring.

60. TBS: Thermoplastic cable with outer braid.

61. TC: Tray cable.

62. TC-ER: Tray cable, exposed run.

63. TC-ER-HL: Tray cable, exposed run, hazardous location.

64. THW: Thermoplastic, heat- and moisture-resistant cable.

65. THHN: Thermoplastic, heat-resistant cable with nylon jacket outer sheath.

66. THHW: Thermoplastic, heat- and moisture-resistant cable.

67. THWN: Thermoplastic, moisture- and heat-resistant cable with nylon jacket outer sheath.

68. TW: Thermoplastic, moisture-resistant cable.

69. UF: Underground feeder and branch-circuit cable.

70. USE: Underground service-entrance cable.

71. XHH: Cross-linked polyethylene, heat-resistant cable.

72. XHHW: Cross-linked polyethylene, heat- and moisture-resistant cable.

D. Abbreviations and Acronyms for Electrical Flexible Cord Types:

1. SEO: 600 V extra-hard-usage, hard-service cord with thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer covering for damp locations.

2. SEOW: 600 V extra-hard-usage, hard-service cord with thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer covering for damp or wet locations.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 7

3. SEOO: 600 V extra-hard-usage, hard-service cord with oil-resistant thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer covering for damp locations.

4. SEOOW: 600 V extra-hard-usage, hard-service cord with oil-resistant thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer covering for damp or wet locations.

5. SJEO: 300 V hard-usage, junior hard-service cord with thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer cover for damp locations.

6. SJEOW: 300 V hard-usage, junior hard-service cord with thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer cover for damp or wet locations.

7. SJEOO: 300 V hard-usage, junior hard-service cord with oil-resistant thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer cover for damp locations.

8. SJEOOW: 300 V hard-usage, junior hard-service cord with oil-resistant thermoplastic elastomer insulation and oil-resistant thermoplastic elastomer outer cover for damp or wet locations.

9. SJO: 300 V hard-usage, junior hard-service cord with thermoset insulation and oil-resistant thermoset outer cover for damp locations.

10. SJOW: 300 V hard-usage, junior hard-service cord with thermoset insulation and oil-resistant thermoset outer cover for damp or wet locations.

11. SJOO: 300 V hard-usage, junior hard-service cord with oil-resistant thermoset insulation and oil-resistant thermoset outer cover for damp locations.

12. SJOOW: 300 V hard-usage, junior hard-service cord with oil-resistant thermoset insulation and oil-resistant thermoset outer cover for damp or wet locations.

13. SJTO: 300 V hard-usage, junior hard-service cord with thermoplastic insulation and oil-resistant thermoplastic outer cover for damp locations.

14. SJTOW: 300 V hard-usage, junior hard-service cord with thermoplastic insulation and oil-resistant thermoplastic outer cover for damp or wet locations.

15. SJTOO: 300 V hard-usage, junior hard-service cord with oil-resistant thermoplastic insulation and oil-resistant thermoplastic outer cover for damp locations.

16. SJTOOW: 300 V hard-usage, junior hard-service cord with oil-resistant thermoplastic insulation and oil-resistant thermoplastic outer cover for damp or wet locations.

17. SO: 600 V extra-hard-usage, hard-service cord with thermoset insulation and oil-resistant thermoset outer covering for damp locations.

18. SOW: 600 V extra-hard-usage, hard-service cord with thermoset insulation and oil-resistant thermoset outer covering for damp or wet locations.

19. SOO: 600 V extra-hard-usage, hard-service cord with oil-resistant thermoset insulation and oil-resistant thermoset outer covering for damp locations.

20. SOOW: 600 V extra-hard-usage, hard-service cord with oil-resistant thermoset insulation and oil-resistant thermoset outer covering for damp or wet locations.

21. STO: 600 V extra-hard-usage, hard-service cord with thermoplastic insulation and oil-resistant thermoplastic outer covering for damp locations.

22. STOW: 600 V extra-hard-usage, hard-service cord with thermoplastic insulation and oil-resistant thermoplastic outer covering for damp or wet locations.

23. STOO: 600 V extra-hard-usage, hard-service cord with oil-resistant thermoplastic insulation and oil-resistant thermoplastic outer covering for damp locations.

24. STOOW: 600 V extra-hard-usage, hard-service cord with oil-resistant thermoplastic insulation and oil-resistant thermoplastic outer covering for damp or wet locations.

E. Definitions:

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 8

1. 8-Position 8-Contact (8P8C) Modular Jack: An unkeyed jack with up to eight contacts commonly used to terminate twisted-pair and multiconductor Ethernet cable. Also called a "TIA-1096 miniature 8-position series jack" (8PSJ), or an "IEC 8877 8-pole jack."

a. Be careful when suppliers use "RJ45" generically. Obsolete RJ45 jacks used for analog telephone cables have rejection keys. 8P8C jacks used for digital telephone cables and Ethernet cables do not have rejection keys.

2. Basic Impulse Insulation Level (BIL): Reference insulation level expressed in impulse crest voltage with a standard wave not longer than 1.5 times 50 microseconds and 1.5 times 40 microseconds.

3. Cable: In accordance with NIST NBS Circular 37 and IEEE standards, in the United

States for the purpose of interstate commerce, the definition of "cable" is (1) a conductor with insulation, or a stranded conductor with or without insulation (single-conductor cable); or (2) a combination of conductors insulated from one another (multiple-conductor cable).

4. Communications Jack: A fixed connecting device designed for insertion of a communications cable plug.

5. Communications Outlet: One or more communications jacks, or cables and plugs, mounted in a box or ring, with a suitable protective cover.

6. Conductor: In accordance with NIST NBS Circular 37 and IEEE standards, in the United

States for the purpose of interstate commerce, the definition of "conductor" is (1) a wire or combination of wires not insulated from one another, suitable for carrying an electric current; (2) (National Electrical Safety Code) a material, usually in the form of wire, cable, or bar, suitable for carrying an electric current; or (3) (general) a substance or body that allows a current of electricity to pass continuously along it.

7. Designated Seismic System: A system component that requires design in accordance with

Chapter 13 of ASCE/SEI 7 and for which the Component Importance Factor is greater than 1.0.

8. Direct Buried: Installed underground without encasement in concrete or other protective material.

9. Enclosure: The case or housing of an apparatus, or the fence or wall(s) surrounding an installation, to prevent personnel from accidentally contacting energized parts or to protect the equipment from physical damage. Types of enclosures and enclosure covers include the following:

a. Cabinet: An enclosure that is designed for either surface mounting or flush mounting and is provided with a frame, mat, or trim in which a swinging door or doors are or can be hung.

b. Concrete Box: A box intended for use in poured concrete.

c. Conduit Body: A means for providing access to the interior of a conduit or tubing system through one or more removable covers at a junction or terminal point. In the United States, conduit bodies are listed in accordance with outlet box requirements.

d. Conduit Box: A box having threaded openings or knockouts for conduit, EMT, or fittings.

e. Cutout Box: An enclosure designed for surface mounting that has swinging doors or covers secured directly to and telescoping with the walls of the enclosure.

f. Device Box: A box with provisions for mounting a wiring device directly to the box.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 9

g. Extension Ring: A ring intended to extend the sides of an outlet box or device box to increase the box depth, volume, or both.

h. Floor Box: A box mounted in the floor intended for use with a floor box cover and other components to complete the floor box enclosure.

i. Floor-Mounted Enclosure: A floor box and floor box cover assembly with means to mount in the floor that is sealed against the entrance of scrub water at the floor level.

j. Floor Nozzle: An enclosure used on a wiring system, intended primarily as a housing for a receptacle, provided with a means, such as a collar, for surface-mounting on a floor, which may or may not include a stem to support it above the floor level, and is sealed against the entrance of scrub water at the floor level.

k. Junction Box: A box with a blank cover that joins different runs of raceway or cable and provides space for connection and branching of the enclosed conductors.

l. Outlet Box: A box that provides access to a wiring system having pryout openings, knockouts, threaded entries, or hubs in either the sides or the back, or both, for the entrance of conduit, conduit or cable fittings, or cables, with provisions for mounting an outlet box cover, but without provisions for mounting a wiring device directly to the box.

m. Pedestal Floor Box Cover: A floor box cover that, when installed as intended, provides a means for typically vertical or near-vertical mounting of receptacle outlets above the floor's finished surface.

n. Pull Box: A box with a blank cover that joins different runs of raceway and provides access for pulling or replacing the enclosed cables or conductors.

o. Raised-Floor Box: A floor box intended for use in raised floors.

p. Recessed Access Floor Box: A floor box with provisions for mounting wiring devices below the floor surface.

q. Recessed Access Floor Box Cover: A floor box cover with provisions for passage of cords to recessed wiring devices mounted within a recessed floor box.

r. Ring: A sleeve, which is not necessarily round, used for positioning a recessed wiring device flush with the plaster, concrete, drywall, or other wall surface.

s. Ring Cover: A box cover, with raised center portion to accommodate a specific wall or ceiling thickness, for mounting wiring devices or luminaires flush with the surface.

t. Termination Box: An enclosure designed for installation of termination base assemblies consisting of bus bars, terminal strips, or terminal blocks with provision for wire connectors to accommodate incoming or outgoing conductors, or both.

10. Emergency Systems: Those systems legally required and classed as emergency by municipal, state, federal, or other codes, or by any governmental agency having jurisdiction that are designed to ensure continuity of lighting, electrical power, or both, to designated areas and equipment in the event of failure of the normal supply for safety to human life.

11. Essential Electrical Systems: (healthcare facilities) Those systems designed to ensure continuity of electrical power to designated areas and functions of a healthcare facility during disruption of normal power sources, and also to minimize disruption within the internal wiring system.

12. Fault Limited: Providing or being served by a source of electrical power that is limited to not more than 100 W when tested in accordance with UL 62368-1.

a. The term "fault limited" is intended to encompass most Class 1, 2, and 3 power-limited sources complying with Article 725 of NFPA 70; Class ES1 and ES2

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 10

electrical energy sources that are Class PS1 electrical power sources (e.g., USB);

and Class ES3 electrical energy sources that are Class PS1 and PS2 electrical power sources (e.g., PoE). See UL 62368-1 for discussion of classes of electrical energy sources and classes of electrical power sources.

13. High-Performance Building: A building that integrates and optimizes on a life-cycle basis all major high-performance attributes, including energy conservation, environment, safety, security, durability, accessibility, cost-benefit, productivity, sustainability, functionality, and operational considerations.

14. Jacket: A continuous nonmetallic outer covering for conductors or cables.

15. Luminaire: A complete lighting unit consisting of a light source such as a lamp, together with the parts designed to position the light source and connect it to the power supply. It may also include parts to protect the light source or the ballast or to distribute the light.

16. Mode: The terms "Active Mode," "Off Mode," and "Standby Mode" are used as defined in the Energy Independence and Security Act (EISA) of 2007.

17. Multi-Outlet Assembly: A type of surface, flush, or freestanding raceway designed to hold conductors, receptacles, and switches, assembled in the field or at the factory.

18. Plenum: A compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.

19. Receptacle: A fixed connecting device arranged for insertion of a power cord plug. Also called a power jack.

20. Receptacle Outlet: One or more receptacles mounted in a box with a suitable protective cover.

21. Sheath: A continuous metallic covering for conductors or cables.

22. UL Category Control Number (CCN): An alphabetic or alphanumeric code used to identify product categories covered by UL's Listing, Classification, and Recognition

Services.

23. Voltage Class: For specified circuits and equipment, voltage classes are defined as follows:

a. Control Voltage: Having electromotive force between any two conductors, or between a single conductor and ground, that is supplied from a battery or other

Class 2 or Class 3 power-limited source.

b. Line Voltage: (1) (controls) Designed to operate using the supplied low-voltage power without transformation. (2) (transmission lines, transformers, SPDs) The line-to-line voltage of the supplying power system.

c. Extra-Low Voltage (ELV): Not having electromotive force between any two conductors, or between a single conductor and ground, exceeding 30 V(ac rms), 42 V(ac peak), or 60 V(dc).

d. Low Voltage (LV): Having electromotive force between any two conductors, or between a single conductor and ground, that is rated above 30 V but not exceeding

1000 V.

e. Medium Voltage (MV): Having electromotive force between any two conductors, or between a single conductor and ground, that is rated about 1 kV but not exceeding 69 kV.

f. High Voltage: (1) (circuits) Having electromotive force between any two conductors, or between a single conductor and ground, that is rated above 69 kV but not exceeding 230 kV. (2) (safety) Having sufficient electromotive force to inflict bodily harm or injury.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 11

24. Wire: In accordance with NIST NBS Circular 37 and IEEE standards, in the United

States for the purpose of interstate commerce, the definition of "wire" is a slender rod or filament of drawn metal. A group of small wires used as a single wire is properly called a

"stranded wire." A wire or stranded wire covered with insulation is properly called an

"insulated wire" or a "single-conductor cable." Nevertheless, when the context indicates that the wire is insulated, the term "wire" will be understood to include the insulation.

1.3 COORDINATION

A. Interruption of Existing Electrical Service: Do not interrupt electrical service to facilities occupied by Owner or others unless permitted under the following conditions:

1. Notify Owner no fewer than 14 days in advance of proposed interruption of electrical service.

2. Do not proceed with interruption of electrical service without Owner's written permission.

3. Coordinate interruption with systems impacted by outage including, but not limited to, the following:

a. Exercising generators.

b. Emergency lighting.

c. Elevators.

d. Fire-alarm systems.

1.4 PREINSTALLATION MEETINGS

A. Electrical Preconstruction Conference: Schedule conference with Owner, not later than 10 days after notice to proceed. Agenda topics include, but are not limited to, the following:

1. Electrical installation schedule.

2. Status of power system studies.

3. Value analysis proposals and requests for substitution of electrical equipment.

4. Utility work coordination and class of service requests.

5. Commissioning activities.

1.5 SEQUENCING

A. Conduct and submit results of power system studies before submitting Product Data and Shop

Drawings for electrical equipment.

1.6 INFORMATIONAL SUBMITTALS

A. Electrical Installation Schedule: At preconstruction meeting, and periodically thereafter as dates change, provide schedule for electrical installation Work to Owner and Architect including, but not limited to, milestone dates for the following activities:

1. Submission of power system studies.

2. Submission of specified coordination drawings.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 12

3. Orders placed for major electrical equipment.

4. Arrival of major electrical equipment on-site.

5. Preinstallation meetings specified in Division 26.

6. Utility service outages.

7. Closing of walls and ceilings containing electrical Work.

8. System startup, testing, and commissioning activities for major electrical equipment.

9. Pouring of concrete housekeeping pads for electrical equipment and testing of concrete samples.

10. Requests for special inspections.

11. Requests for inspections by authorities having jurisdiction.

B. Certificates:

1. Welding certificates.

1.7 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data:

1. Include the following information:

a. Manufacturer's operating specifications.

b. User's guides for software and hardware.

c. Schedule of maintenance material items recommended to be stored at Project site.

d. Detailed instructions covering operation under both normal and abnormal conditions.

e. Time-current curves for overcurrent protective devices and manufacturer's written instructions for testing and adjusting their settings.

f. List of load-current and overload-relay heaters with related motor nameplate data.

g. Manufacturer's instructions for setting field-adjustable components.

h. Manufacturer's instructions for testing, adjusting, and reprogramming microprocessor controls.

i. EPSS: Manufacturer's system checklists, maintenance schedule, and maintenance log sheets in accordance with NFPA 110.

1.8 QUALIFICATIONS

A. Electrical Professional Engineer: Professional engineer possessing expertise in electrical engineering, including electrical power system modeling and analysis of electrical safety in accordance with NFPA 70E.

B. Welder: Installer possessing active qualifications, with training and certification in accordance with AWS D1.1/D1.1M and AWS D1.2/D1.2M.

C. EVSE Installers: Installer possessing active qualifications specified in Section 014000 "Quality

Requirements," and able to present unexpired certified Installer credentials issued by EVSE manufacturer prior to starting installation.

SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL 260010 - 13

PART 2 - PRODUCTS

2.1 SUBSTITUTION LIMITATIONS FOR ELECTRICAL EQUIPMENT

A. Substitution requests for electrical equipment will be entertained under the following conditions:

1. Substitution requests may be submitted for consideration concurrently with submission of power system study reports when those reports indicate that substitution is necessary for safety of maintenance personnel and facility occupants.

2. Contractor is responsible for sequencing and scheduling power system studies and electrical equipment procurement. After the Electrical Preconstruction Conference, insufficient lead time for electrical equipment delivery will not be considered a valid reason for substitution.

PART 3 - EXECUTION

3.1 INSTALLATION OF ELECTRICAL WORK

A. Unless more stringent requirements are specified in the Contract Documents or manufacturers' written instructions, comply with NFPA 70 and NECA NEIS 1 for installation of Work specified in Division 26. Consult Engineer for resolution of conflicting requirements.

3.2 FIELD QUALITY CONTROL

A. Administrant for Low-Voltage Electrical Tests and Inspections:

1. Engage qualified low-voltage electrical testing and inspecting agency to administer and perform tests and inspections.

END OF SECTION 260010

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260519 - 1

SECTION 260519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Copper building wire rated 600 V or less.

2. Aluminum building wire rated 600 V or less.

3. Metal-clad cable, Type MC, rated 600 V or less.

4. Connectors, splices, and terminations rated 600 V and less.

B. Related Requirements:

1. Section 260010 "Supplemental Requirements for Electrical" for additional abbreviations, definitions, submittals, qualifications, testing agencies, and other Project requirements applicable to Work specified in this Section.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Product Schedule: Indicate type, use, location, and termination locations.

1.3 INFORMATIONAL SUBMITTALS

A. Field quality-control reports.

B. Submittals shall include the corresponding section and sub section(s) at the top left or right of each sheet.

C. Submittals shall include the entire corresponding specification at the front of the document with markings of C, D, E, or N/A beside each section and sub section(s). C, D, E, or N/A will be noted as comply, deviate, exception, or not applicable.

PART 2 - PRODUCTS

2.1 COPPER BUILDING WIRE

A. Description: Flexible, insulated and uninsulated, drawn copper current-carrying conductor with an overall insulation layer or jacket, or both, rated 600 V or less.

B. Standards:

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260519 - 2

1. Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.

2. Conductor and Cable Marking: Comply with wire and cable marking according to UL's

"Wire and Cable Marking and Application Guide."

C. Conductors: Copper, complying with ASTM B3 for bare annealed copper and with ASTM B8 for stranded conductors.

D. Conductor Insulation:

1. Type NM: Comply with UL 83 and UL 719.

2. Type USE-2 and Type SE: Comply with UL 854.

3. Type THHN and Type THWN-2: Comply with UL 83.

4. Type XHHW-2: Comply with UL 44.

2.2 ALUMINUM BUILDING WIRE

A. Description: Flexible, insulated and uninsulated, drawn aluminum current-carrying conductor with an overall insulation layer or jacket, or both, rated 600 V or less.

B. Standards:

1. Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.

2. Conductor and Cable Marking: Comply with wire and cable marking according to UL's

"Wire and Cable Marking and Application Guide."

C. Conductors: Aluminum, complying with ASTM B800 and ASTM B801.

D. Conductor Insulation:

1. Type THHN and Type THWN-2: Comply with UL 83.

2. Type XHHW-2: Comply with UL 44.

2.3 CONNECTORS AND SPLICES

A. Description: Factory-fabricated connectors, splices, and lugs of size, ampacity rating, material, type, and class for application and service indicated; listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.

B. Jacketed Cable Connectors: For steel and aluminum jacketed cables, zinc die-cast with set screws, designed to connect conductors specified in this Section.

C. Lugs: One piece, seamless, designed to terminate conductors specified in this Section.

1. Material: Copper.

2. Type: Two hole with standard barrels.

3. Termination: Compression.

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260519 - 3

PART 3 - EXECUTION

3.1 CONDUCTOR MATERIAL APPLICATIONS

A. Feeders:

1. Copper for feeders smaller than No. 4 AWG; copper or aluminum for feeders No. 4

AWG and larger. Conductors must be solid for No. 10 AWG and smaller; stranded for

No. 8 AWG and larger.

B. Branch Circuits:

1. Copper, Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.

3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND

WIRING METHODS

A. Exposed Feeders: Type THHN/THWN-2, single conductors in raceway.

B. Feeders Concealed in Ceilings, Walls, Partitions, and Crawlspaces: Type THHN/THWN-2, single conductors in raceway.

C. Feeders Concealed in Concrete, below Slabs-on-Grade, and Underground: Type XHHW-2, single conductors in raceway.

D. Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN/THWN-2, single conductors in raceway.

E. Branch Circuits Concealed in Concrete, below Slabs-on-Grade, and Underground:

Type XHHW-2, single conductors in raceway.

3.3 INSTALLATION OF CONDUCTORS AND CABLES

A. Conceal cables in finished walls, ceilings, and floors unless otherwise indicated.

B. Complete raceway installation between conductor and cable termination points according to

Section 260533 "Raceways and Boxes for Electrical Systems" prior to pulling conductors and cables.

C. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.

D. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will not damage cables or raceway.

E. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where possible.

F. Support cables according to Section 260529 "Hangers and Supports for Electrical Systems."

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 260519 - 4

3.4 CONNECTIONS

A. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in

UL 486A-486B.

B. Make splices, terminations, and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors.

1. Use oxide inhibitor in each splice, termination, and tap for aluminum conductors.

C. Wiring at Outlets: Install conductor at each outlet, with at least 6 inch of slack.

3.5 IDENTIFICATION

A. Identify and color-code conductors and cables according to Section 260553 "Identification for

Electrical Systems."

B. Identify each spare conductor at each end with identity number and location of other end of conductor, and identify as spare conductor.

3.6 SLEEVE AND SLEEVE-SEAL INSTALLATION FOR ELECTRICAL PENETRATIONS

A. Install sleeves and sleeve seals at penetrations of exterior floor and wall assemblies. Comply with requirements in Section 260544 "Sleeves and Sleeve Seals for Electrical Raceways and

Cabling."

3.7 FIRESTOPPING

A. Apply firestopping to electrical penetrations of fire-rated floor and wall assemblies to restore original fire-resistance rating of assembly.

END OF SECTION 260519

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 1

SECTION 260526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Grounding and bonding conductors.

2. Grounding and bonding clamps.

3. Grounding and bonding bushings.

4. Grounding and bonding hubs.

5. Grounding and bonding connectors.

B. Related Requirements:

1. Section 260010 "Supplemental Requirements for Electrical" for additional abbreviations, definitions, submittals, qualifications, testing agencies, and other Project requirements applicable to Work specified in this Section.

1.2 ACTION SUBMITTALS

A. Product Data:

1. For each type of product indicated.

B. Field Quality-Control Submittals:

1. Field quality-control reports.

1.3 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data:

1. In addition to items specified in Section 260010 "Supplemental Requirements for

Electrical," include the following:

a. Instructions for periodic testing and inspection of grounding features at grounding connections for separately derived systems based on NFPA 70B.

1) Tests must determine if ground-resistance or impedance values remain within specified maximums, and instructions must recommend corrective action if values do not.

2) Include recommended testing intervals.

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 2

PART 2 - PRODUCTS

2.1 GROUNDING AND BONDING CONDUCTORS

A. Equipment Grounding Conductor:

1. General Characteristics: 600 V, THHN/THWN-2 or THWN-2, copper wire or cable, green color, in accordance with Section 260519 "Low-Voltage Electrical Power

Conductors and Cables."

B. ASTM - Bare Copper Grounding and Bonding Conductor:

1. Referenced Standards: Complying with one or more of the following:

a. Soft or Annealed Copper Wire: ASTM B3

b. Concentric-Lay Stranded Copper Conductor: ASTM B8.

c. Tin-Coated Soft or Annealed Copper Wire: ASTM B33.

d. 19-Wire Combination Unilay-Stranded Copper Conductor: ASTM B787/B787M.

2.2 GROUNDING AND BONDING CLAMPS

A. Description: Clamps suitable for attachment of grounding and bonding conductors to grounding electrodes, pipes, tubing, and rebar.

B. Performance Criteria:

1. Regulatory Requirements:

a. Listed and labeled in accordance with NFPA 70, by qualified electrical testing laboratory recognized by authorities having jurisdiction, and marked for intended location and application.

2. Listing Criteria:

a. Grounding and Bonding Equipment: UL CCN KDER; including UL 467.

b. Grounding and Bonding Equipment for Communications: UL CCN KDSH;

including UL 467.

C. UL KDER and KDSH - Hex-Fitting-Type Pipe and Rod Grounding and Bonding Clamp:

1. General Characteristics:

a. Two pieces with zinc-plated bolts.

b. Clamp Material: Die-cast zinc alloy.

c. Listed for outdoor use.

D. UL KDER and KDSH - U-Bolt-Type Pipe and Rod Grounding and Bonding Clamp:

1. General Characteristics:

a. Clamp Material: Brass.

b. Listed for outdoor use.

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 3

E. UL KDER and KDSH - Strap-Type Pipe and Rod Grounding and Bonding Clamp:

1. General Characteristics:

a. Clamp Material: Galvanized steel.

b. Listed for outdoor use.

F. UL KDER - Exothermically Welded Connection:

1. General Characteristics: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions.

2.3 GROUNDING AND BONDING BUSHINGS

A. Description: Bonding bushings connect conduit fittings, tubing fittings, threaded metal conduit, and unthreaded metal conduit to metal boxes and equipment enclosures, and have one or more bonding screws intended to provide electrical continuity between bushing and enclosure.

Grounding bushings have provision for connection of bonding or grounding conductor and may or may not also have bonding screws.

B. Performance Criteria:

1. Regulatory Requirements:

a. Listed and labeled in accordance with NFPA 70, by qualified electrical testing laboratory recognized by authorities having jurisdiction, and marked for intended location and application.

2. Listing Criteria:

a. Grounding and Bonding Equipment: UL CCN KDER; including UL 467.

C. UL KDER - Bonding Bushing:

1. General Characteristics: Threaded bushing with insulated throat.

D. UL KDER - Grounding Bushing:

1. General Characteristics: Threaded bushing with insulated throat and mechanical-type wire terminal.

2.4 GROUNDING AND BONDING HUBS

A. Description: Hubs with certified grounding or bonding locknut.

B. Performance Criteria:

1. Regulatory Requirements:

a. Listed and labeled in accordance with NFPA 70, by qualified electrical testing laboratory recognized by authorities having jurisdiction, and marked for intended location and application.

2. Listing Criteria:

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 4

a. Grounding and Bonding Equipment: UL CCN KDER; including UL 467.

C. UL KDER - Grounding and Bonding Hub:

1. General Characteristics: Insulated, gasketed, watertight hub with mechanical-type wire terminal.

2.5 GROUNDING AND BONDING CONNECTORS

A. Performance Criteria:

1. Regulatory Requirements:

a. Listed and labeled in accordance with NFPA 70, by qualified electrical testing laboratory recognized by authorities having jurisdiction, and marked for intended location and application.

2. Listing Criteria:

a. Grounding and Bonding Equipment: UL CCN KDER; including UL 467.

b. Grounding and Bonding Equipment for Communications: UL CCN KDSH;

including UL 467.

B. UL KDER - Crimped Pressure-Type Grounding and Bonding Cable Connector:

1. General Characteristics: Crimp-and-compress connectors that bond to conductor when connector is compressed around conductor.

a. Copper, C and H shaped.

C. UL KDER - Split-Bolt Pressure-Type Grounding and Bonding Cable Connector:

1. General Characteristics: Bolts that surround cable and bond to cable under compression when nut is tightened.

a. Copper.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine facility's grounding electrode system and equipment grounding for compliance with requirements for maximum ground-resistance level and other conditions affecting performance of grounding and bonding of electrical system.

B. Inspect test results of grounding system measured at point of electrical service equipment connection.

C. Prepare written report, endorsed by Installer, listing conditions detrimental to performance of the Work.

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 5

D. Proceed with connection of electrical service equipment only after unsatisfactory conditions have been corrected.

3.2 SELECTION OF GROUNDING AND BONDING CONDUCTORS

A. Conductors: Install solid conductor for 8 AWG and smaller, and stranded conductors for

6 AWG and larger unless otherwise indicated.

B. Custom-Length Insulated Equipment Bonding Jumpers: 6 AWG, 19-strand, Type THHN.

C. Bonding Cable: 28 kcmil, 14 strands of 17 AWG conductor, 1/4 inch in diameter.

D. Bonding Conductor: 4 AWG or 6 AWG, stranded conductor.

E. Bonding Jumper: Copper tape, braided conductors terminated with copper ferrules; 1-5/8 inch wide and 1/16 inch thick.

F. Tinned Bonding Jumper: Tinned-copper tape, braided conductors terminated with copper ferrules; 1-5/8 inch wide and 1/16 inch thick.

3.3 SELECTION OF CONNECTORS

A. Conductor Terminations and Connections:

1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors.

2. Underground Connections: Welded connectors except at test wells and as otherwise indicated.

3. Connections to Ground Rods at Test Wells: Bolted connectors.

4. Connections to Structural Steel: Welded connectors.

3.4 INSTALLATION

A. Comply with manufacturer's published instructions.

B. Special Techniques:

1. Conductors:

a. Route along shortest and straightest paths possible unless otherwise indicated or required by Code. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.

2. Connections: Make connections so possibility of galvanic action or electrolysis is minimized. Select connectors, connection hardware, conductors, and connection methods so metals in direct contact are galvanically compatible.

a. Use electroplated or hot-tin-coated materials to ensure high conductivity and to make contact points closer in order of galvanic series.

b. Make connections with clean, bare metal at points of contact.

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 6

c. Make aluminum-to-steel connections with stainless steel separators and mechanical clamps.

d. Make aluminum-to-galvanized-steel connections with tin-plated copper jumpers and mechanical clamps.

e. Coat and seal connections having dissimilar metals with inert material to prevent future penetration of moisture to contact surfaces.

f. Bonding Straps and Jumpers: Install in locations accessible for inspection and maintenance except where routed through short lengths of conduit.

1) Bonding to Structure: Bond straps directly to basic structure, taking care not to penetrate adjacent parts.

2) Bonding to Equipment Mounted on Vibration Isolation Hangers and

Supports: Install bonding so vibration is not transmitted to rigidly mounted equipment.

3) Use exothermic-welded connectors for outdoor locations; if disconnect-type connection is required, use bolted clamp.

g. Grounding and Bonding for Piping:

1) Metal Water Service Pipe: Install insulated copper grounding conductors, in conduit, from building's main service equipment, or grounding bus, to main metal water service entrances to building. Connect grounding conductors to main metal water service pipes; use bolted clamp connector or bolt lug-type connector to pipe flange by using one of lug bolts of flange. Where dielectric main water fitting is installed, connect grounding conductor on street side of fitting. Bond metal grounding conductor conduit or sleeve to conductor at each end.

2) Water Meter Piping: Use braided-type bonding jumpers to electrically bypass water meters. Connect to pipe with bolted connector.

3) Bond each aboveground portion of gas piping system downstream from equipment shutoff valve.

3. Equipment Grounding:

a. Install insulated equipment grounding conductors with feeders and branch circuits.

3.5 FIELD QUALITY CONTROL

A. Tests and Inspections:

1. After installing grounding system but before permanent electrical circuits have been energized, test for compliance with requirements.

2. Inspect physical and mechanical condition. Verify tightness of accessible, bolted, electrical connections with calibrated torque wrench in accordance with manufacturer's published instructions.

B. Nonconforming Work:

1. Grounding system will be considered defective if it does not pass tests and inspections.

2. Remove and replace defective components and retest.

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 260526 - 7

3.6 PROTECTION

A. After installation, protect grounding and bonding cables and equipment from construction activities. Remove and replace items that are contaminated, defaced, damaged, or otherwise caused to be unfit for use prior to acceptance by Owner.

END OF SECTION 260526

HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 260529 - 1

SECTION 260529 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Steel slotted support systems.

2. Conduit and cable support devices.

3. Support for conductors in vertical conduit.

4. Structural steel for fabricated supports and restraints.

5. Mounting, anchoring, and attachment components, including powder-actuated fasteners, mechanical expansion anchors, concrete inserts, clamps, through bolts, toggle bolts, and hanger rods.

6. Fabricated metal equipment support assemblies.

B. Related Requirements:

1. Section 260010 "Supplemental Requirements for…