260519_Low_Voltage_Electrical_Conductors.pdf
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- Solicitation number
- S124834-vCurrent
- Issued by
- Hampden County, Massachusetts
About this file
This document is a specification for low voltage electrical conductors for the Chicopee Armory Rehabilitation project in Chicopee, Massachusetts. The specification outlines the requirements for power wiring, branch circuits, and control wiring, including the types of insulation, wire sizes, and conductor stranding. It references applicable industry standards and requires the conductors to be UL-listed. The project is being bid by general contractors, and the specification is part of the bid documents issued on May 20, 2011.
The specification requires all conductors to be annealed copper with voltage ratings of 600V. Power wiring must be XHHW-2, while branch circuit and control wiring must be THHN/THWN. Minimum wire sizes are specified, with power wiring at 12 AWG and control wiring at 14 AWG. The document also includes requirements for fixture wire and testing of the installed wiring.
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Text version
CHICOPEE ARMORY REHABILITATION MMD PROJECT NO. 985010
CHICOPEE, MASSACHUSETTS ISSUED FOR BID – 05/20/11
10090 LOW VOLTAGE ELECTRICAL CONDUCTORS 260519-1
SECTION 260519
LOW VOLTAGE ELECTRICAL CONDUCTORS
PART 1 - GENERAL
1.1 GENERAL
A. The provisions of Section 260500, General Requirements for Electrical Work apply to the
Work of this Section.
1.2 CODES AND STANDARDS
A. Products shall comply with the following codes and standards and shall be UL-listed and labeled:
ASTM B-3 Soft or Annealed Copper Wire
ASTM B-8 Concentric Lay Stranded Copper Conductors
NEMA WC-5 Thermoplastic Insulated Wire and Cable for the Transmission and Distribution of Electrical Energy.
UL 44 Rubber Insulated Wires and Cables
UL 83 Thermoplastic Insulated Wires and Cables
1.3 SUBMITTALS
A. Manufacturer's product data sheets.
PART 2 - PRODUCTS
2.1 GENERAL
A. All conductors shall be annealed copper in accordance with ASTM B-3.
B. The jacket of all wire shall be printed with the following information:
1. Manufacturer
2. Size
3. Insulation type
4. Maximum voltage
5. UL label
C. All insulation shall be rated 600 volt.
2.2 POWER WIRING
A. Service entrance conductors, feeders and motor branch circuits shall be type XHHW-2.
B. All power wiring shall be stranded, Class B strand in accordance with ASTM B-8, minimum size #12 AWG.
CHICOPEE ARMORY REHABILITATION MMD PROJECT NO. 985010
CHICOPEE, MASSACHUSETTS ISSUED FOR BID – 05/20/11
10090 LOW VOLTAGE ELECTRICAL CONDUCTORS 260519-2
2.3 BRANCH CIRCUITS
A. All lighting and convenience receptacle branch circuit wiring shall be type THHN/THWN.
B. Branch circuit wiring shall be solid or stranded conductor, minimum size #12 AWG.
2.4 CONTROL WIRING
A. Wiring for control circuits shall be THHN/THWN.
B. Control wiring shall be stranded, Class B strand in accordance with ASTM B-8, minimum size #14 AWG.
2.5 FIXTURE WIRE
A. Where high temperature fixture wire is required it shall be silicone rubber type SF-2.
PART 3 - EXECUTION
3.1 GENERAL
A. All wire shall be installed in accordance with Section 260560, Installation of Wire and
Cable.
B. All wire shall be tested in accordance with Section 260530, Electrical Acceptance Testing.
END OF SECTION 260519
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