260583-RIB-Wiring Connections-12-24-2025.pdf
PDF 58 KB Posted
- Attached to
- CBI GJ HVAC/Lighting Upgrade Project
- Solicitation number
- IFB1 REAA 2027000043 2
- Issued by
- Denver County, Denver City, Colorado
About this file
This is a technical specification document for Section 260583 Wiring Connections as part of the 25-388 CBI HVAC and Lighting Upgrade project (GovTribe ID: 260583). The specification establishes requirements for electrical connections to equipment and defines standards for wiring devices, cords, caps, disconnect switches, flexible conduit, wire, cable, and boxes. The work includes making electrical connections in accordance with manufacturer's instructions, installing flexible conduit connections to equipment with liquidtight flexible conduit required in damp or wet locations, providing receptacle outlets to accommodate cord and plug connections (specifically NEMA 6-20R configuration), installing disconnect switches and controllers, and completing interconnecting conduit and wiring between devices and equipment. All work must comply with NFPA 70 (National Electrical Code) as adopted by the Authority Having Jurisdiction and reference standards including NEMA WD 1 and NEMA WD 6.
The specification requires product data submittals showing wiring device manufacturer catalog information, dimensions, configurations, and construction details. Cord construction must meet NFPA 70 Type SO specifications with identified equipment grounding conductors suitable for damp locations, sized appropriately for the connected equipment load and branch circuit overcurrent protection rating. All electrical connections must incorporate proper strain-relief clamps and fittings, and heat-producing equipment must use wire and cable with insulation rated for temperatures encountered. No specific pricing, contract duration, award date, or project timeline information is provided in this technical specification document.
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Text version
25-388 CBI HVAC and Lighting Upgrade 260583 - 1 Wiring Connections
SECTION 260583
WIRING CONNECTIONS
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Electrical connections to equipment.
1.02 RELATED REQUIREMENTS
A. Section 260519 - Low-Voltage Electrical Power Conductors and Cables.
B. Section 260533.13 - Conduit for Electrical Systems.
C. Section 260533.16 - Boxes for Electrical Systems.
D. Section 262726 - Wiring Devices.
E. Section 262816.16 - Enclosed Switches.
F. Section 262913 - Enclosed Controllers.
1.03 REFERENCE STANDARDS
A. NEMA WD 1 - General Color Requirements for Wiring Devices; 1999 (Reaffirmed 2020).
B. NEMA WD 6 - Wiring Devices - Dimensional Specifications; 2021.
C. NFPA 70 - National Electrical Code; Most Recent Edition Adopted by Authority Having
Jurisdiction, Including All Applicable Amendments and Supplements.
1.04 ADMINISTRATIVE REQUIREMENTS
A. Coordination:
1. Obtain and review shop drawings, product data, manufacturer's wiring diagrams, and manufacturer's instructions for equipment furnished under other sections.
2. Determine connection locations and requirements.
1.05 SUBMITTALS
A. See Section 013000 - Administrative Requirements, for submittal procedures.
B. Product Data: Provide wiring device manufacturer’s catalog information showing dimensions, configurations, and construction.
1.06 QUALITY ASSURANCE
A. Comply with requirements of NFPA 70.
PART 2 PRODUCTS
2.01 MATERIALS
A. Cords and Caps: NEMA WD 6; match receptacle configuration at outlet provided for equipment.
1. Colors: Comply with NEMA WD 1.
2. Cord Construction: NFPA 70, Type SO, multiconductor flexible cord with identified equipment grounding conductor, suitable for use in damp locations.
3. Size: Suitable for connected load of equipment, length of cord, and rating of branch circuit overcurrent protection.
B. Disconnect Switches: As specified in Section 262816.16 and in individual equipment sections.
C. Wiring Devices: As specified in Section 262726.
D. Flexible Conduit: As specified in Section 260533.13.
E. Wire and Cable: As specified in Section 260519.
F. Boxes: As specified in Section 260533.16.
2.02 EQUIPMENT CONNECTIONS
A.
25-388 CBI HVAC and Lighting Upgrade 260583 - 2 Wiring Connections
1. Electrical Connection: Flexible conduit.
2. Electrical Connection: Cord and plug (NEMA 6-20R).
3. Provide field-installed disconnect switch.
PART 3 EXECUTION
3.01 EXAMINATION
A. Verify that equipment is ready for electrical connection, wiring, and energization.
3.02 ELECTRICAL CONNECTIONS
A. Make electrical connections in accordance with equipment manufacturer's instructions.
B. Make conduit connections to equipment using flexible conduit. Use liquidtight flexible conduit with watertight connectors in damp or wet locations.
C. Connect heat producing equipment using wire and cable with insulation suitable for temperatures encountered.
D. Provide receptacle outlet to accommodate connection with attachment plug.
E. Provide cord and cap where field-supplied attachment plug is required.
F. Install suitable strain-relief clamps and fittings for cord connections at outlet boxes and equipment connection boxes.
G. Install disconnect switches, controllers, control stations, and control devices to complete equipment wiring requirements.
H. Install terminal block jumpers to complete equipment wiring requirements.
I. Install interconnecting conduit and wiring between devices and equipment to complete equipment wiring requirements.
END OF SECTION
260583 - Wiring Connections
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