262726.pdf

DCFT #082207

Hanson #03S1408GGB

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WIRING DEVICES

DIVISION 26- ELECTRICAL

SECTION 262726 – WIRING DEVICES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Receptacles, receptacles with integral GFCI, and associated device plates.

2. Wall-switch.

3. Communications outlets.

1.3 DEFINITIONS

A. EMI: Electromagnetic interference.

B. GFCI: Ground-fault circuit interrupter.

C. Pigtail: Short lead used to connect a device to a branch-circuit conductor.

D. RFI: Radio-frequency interference.

E. TVSS: Transient voltage surge suppressor.

F. UTP: Unshielded twisted pair.

1.4 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Shop Drawings: List of legends and description of materials and process used for premarking wall plates.

C. Field quality-control test reports.

D. Operation and Maintenance Data: For wiring devices to include in all manufacturers' packing label warnings and instruction manuals that include labeling conditions.

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1.5 QUALITY ASSURANCE

A. Source Limitations: Obtain each type of wiring device and associated wall plate through one source from a single manufacturer. Insofar as they are available, obtain all wiring devices and associated wall plates from a single manufacturer and one source.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

C. Comply with NFPA 70.

1.6 COORDINATION

A. Receptacles for Contracting Officer-Furnished Equipment: Match plug configurations:

1. Cord and Plug Sets: Match equipment requirements.

PART 2 - PRODUCTS

2.1 STRAIGHT BLADE RECEPTACLES

A. Convenience Receptacles, 125-Volt, 20 A: Comply with NEMA WD 1, NEMA WD 6 configuration 5-20R, and UL 498:

1. Products: Subject to compliance with requirements, the following are provided as examples of the salient characteristics to be found in the submitted product.

Manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

a. Cooper; 5361 (single), 5362 (duplex).

b. Hubbell; HBL5361 (single), HBL5362 (duplex).

c. Leviton; 5361 (single), 5362 (duplex).

d. Pass & Seymour; 5361 (single), 5362 (duplex).

2.2 GFCI RECEPTACLES

A. General Description: Straight blade, -through type. Comply with NEMA WD 1, NEMA WD 6, UL 498, and UL 943, Class A, and include indicator light that is lighted when device is tripped.

B. Duplex GFCI Convenience Receptacles, 125-Volt, 20 A:

1. Products: Subject to compliance with requirements, the following are provided as examples of the salient characteristics to be found in the submitted product.

Manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

a. Cooper; GF5342.

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b. Pass & Seymour; 2091-S.

c. Hubbell; GF5362.

d. Leviton; 8899.

2.3 SNAP SWITCHES

A. Comply with NEMA WD 1 and UL 20.

B. Switches, 120/277-Volt, 20 A:

1. Products: Subject to compliance with requirements, the following are provided as examples of the salient characteristics to be found in the submitted product.

Manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

a. Cooper; 2221 (single pole), 2222 (two (2) pole), 2223 (three (3) way), 2224 (four

(4) way).

b. Hubbell; HBL1221 (single pole), HBL1222 (two (2) pole), HBL1223 (three (3) way), HBL1224 (four (4) way).

c. Leviton; 1221-2 (single pole), 1222-2 (two (2) pole), 1223-2 (three (3) way), 1224- 2 (four (4) way).

d. Pass & Seymour; 20AC1 (single pole), 20AC2 (two (2) pole), 20AC3 (three (3) way), 20AC4 (four (4) way).

2.4 WALL-BOX DIMMERS

A. Dimmer Switches: Modular, full-wave, solid-state units with integral, quiet on-off switches, with audible frequency and EMI/RFI suppression filters.

B. Control: continuously adjustable slider with single-pole or 3-way switching. Comply with UL 1472.

C. Fluorescent Lamp Dimmer Switches: Modular; compatible with dimmer ballasts; trim potentiometer to adjust low-end dimming; dimmer-ballast combination capable of consistent dimming with low end not greater than 20 percent of full brightness.

2.5 WALL PLATES

A. Single and combination types to match corresponding wiring devices:

1. Plate-Securing Screws: Metal with head color to match plate finish.

2. Material for Finished Spaces: 0.035 in. (1 mm) thick, satin-finished stainless steel.

3. Material for Unfinished Spaces: Smooth, high-impact thermoplastic.

4. Material for Damp Locations: Cast aluminum with spring-loaded lift cover, and listed and labeled for use in "wet locations."

B. Wet-Location, Weatherproof Cover Plates: NEMA 250, complying with type 3R weather-resistant, die-cast aluminum with lockable cover.

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2.6 FINISHES

A. Color: Wiring device catalog numbers in Section Text do not designate device color:

1. Wiring Devices Connected to Normal Power System: Ivory, unless otherwise indicated or required by NFPA 70 or device listing.

2. Wiring Devices Connected to Emergency Power System: Red.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Comply with NECA 1, including the mounting heights listed in that standard, unless otherwise noted.

B. Coordination with Other Trades:

1. Take steps to insure that devices and their boxes are protected. Do not place wall finish materials over device boxes and do not cut holes for boxes with routers that are guided by riding against outside of the boxes.

2. Keep outlet boxes free of plaster, drywall joint compound, mortar, cement, concrete, dust, paint, and other material that may contaminate the raceway system, conductors, and cables.

3. Install device boxes in brick or block walls so that the cover plate does not cross a joint unless the joint is troweled flush with the face of the wall.

4. Install wiring devices after all wall preparation, including painting, is complete.

C. Conductors:

1. Do not strip insulation from conductors until just before they are spliced or terminated on devices.

2. Strip insulation evenly around the conductor using tools designed for the purpose. Avoid scoring or nicking of solid wire or cutting strands from stranded wire.

3. The length of free conductors at outlets for devices shall meet provisions of NFPA 70, Article 300, without pigtails.

4. Existing Conductors:

a. Cut back and pigtail, or replace all damaged conductors.

b. Straighten conductors that remain and remove corrosion and foreign matter.

c. Pigtailing existing conductors is permitted provided the outlet box is large enough.

D. Device Installation:

1. Replace all devices that have been in temporary use during construction or that show signs that they were installed before building finishing operations were complete.

2. Keep each wiring device in its package or otherwise protected until it is time to connect conductors.

3. Do not remove surface protection, such as plastic film and smudge covers, until the last possible moment.

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4. Connect devices to branch circuits using pigtails that are not less than 6 in. (150 mm) in length.

5. When there is a choice, use side wiring with binding-head screw terminals. Wrap solid conductor tightly clockwise, 2/3 to 3/4 of the way around terminal screw.

6. Use a torque screwdriver when a torque is recommended or required by the manufacturer.

7. When conductors larger than No. 12 AWG are installed on 15 or 20 A circuits, splice

No. 12 AWG pigtails for device connections.

8. Tighten unused terminal screws on the device.

9. When mounting into metal boxes, remove the fiber or plastic washers used to hold device mounting screws in yokes, allowing metal-to-metal contact.

E. The height of outlets and devices is indicated on the drawings or obtainable from the Architect/Engineer. Use the following as a guide for mounting of outlet boxes, unless otherwise indicated on drawings:

HEIGHT ABOVE FINISHED

DEVICE FLOOR TO TOP OF BOX

Receptacles Office and Corridors 20 in.

Counters 48 in.

Unfunished Areas 48 in.

Exterior at Grade 24 in. (above fin. Grade) Switches 48 in.

Data Outlets 20 in.

Telephone Outlets Wall 48 in.

Desk (Wall) 20 in.

Public See Note Below Fire Alarm Break Glass Stations 48 in.

Fire Alarm Horns / Lights 90 in.

NOTE: See Architectural Elevations or locate such that highest operable part of the telephone is 48 in. A.F.F.

F. Receptacle Orientation:

1. Install ground pin of vertically mounted receptacles up, and on horizontally mounted receptacles to the left.

G. Device Plates: Do not use oversized or extra-deep plates. Repair wall finishes and remount outlet boxes when standard device plates do not fit flush or do not cover rough wall opening.

H. Dimmers:

1. Install dimmers within terms of their listing.

2. Verify that dimmers used for fan speed control are listed for that application.

3. Install unshared neutral conductors on line and load side of dimmers according to manufacturers' device listing conditions in the written instructions.

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I. Arrangement of Devices: Unless otherwise indicated, mount flush, with long dimension vertical and with grounding terminal of receptacles on bottom. Group adjacent switches under single, multigang wall plates.

J. Switches:

1. Switches shall be ganged when they are together at one (1) location.

2. Lighting switches/dimmers shall be located 6 in. (150 mm) horizontally from door jamb, unless otherwise indicated.

3. Switches shall be installed with the OFF position down.

4. Cover plates shall be installed flush and level.

3.2 IDENTIFICATION

A. Comply with Division 26 Section 260553 "Identification for Electrical Systems:"

1. Receptacles: Identify panelboard and circuit number from which served. Use hot, stamped or engraved machine printing with black-filled lettering on face of plate, and durable wire markers or tags inside outlet boxes.

3.3 FIELD QUALITY CONTROL

A. Perform tests and inspections and prepare test reports:

1. Test Instruments: Use instruments that comply with UL 1436.

2. Test Instrument for Convenience Receptacles: Digital wiring analyzer with digital readout or illuminated LED indicators of measurement.

B. Tests for Convenience Receptacles:

1. Line Voltage: Acceptable range is 105 to 132-Volt.

2. Percent Voltage Drop under 15-A Load: A value of 6 percent or higher is not acceptable.

3. Ground Impedance: Values of up to 2 ohms are acceptable.

4. GFCI Trip: Test for tripping values specified in UL 1436 and UL 943.

5. Using the test plug, verify that the device and its outlet box are securely mounted.

6. The tests shall be diagnostic, indicating damaged conductors, high resistance at the circuit breaker, poor connections, inadequate fault current path, defective devices, or similar problems. Correct circuit conditions, remove malfunctioning units and replace with new ones, and retest as specified above.

END OF SECTION 262726