Specifications include, but are not limited to: A. Provide systems of wires and cables for electric power, signaling, and control. B. Materials: 1. Conductors shall be soft drawn annealed, conductivity of 98% pure copper. No. 10 AWG and Smaller: Solid copper. No. 8 AWG and Larger: Stranded copper. 2. Other: Pull Cords - 1/8" nylon. Pulling Compound - Ideal "Yellow 77". C. Install Wire Types: 1. THW, THHN/THWN, XHHW for light and power branch circuits and control wiring. 2. THHN/THWN, XHHW for feeders, sub-feeders, motor circuits and high ambient temperature locations. D. Consistently color code wiring continuous throughout the work with insulation factory color-coded by pigmentation. 1. 120/208 Volt Systems: a. Phase A - Black b. Phase B - Red c. Phase C - Blue d. Neutral ñ White e. Ground - Green 2. 277/480 Volt Systems: a. Phase A - Brown b. Phase B - Orange c. Phase C - Yellow d. Neutral - Gray e. Ground - Green 3. Switch legs, travelers, and special systems continuous throughout the work as selected by the Contractor. 4. Where factory colors are not available, code ends of conductors with 1-1/2-inch colored tape. E. Circuits of multiple phases passing through enclosures shall have phases grouped to reduce the reactance effect. F. Minimum Sizes: 1. Light and Power Branch Circuits, 15 and 20 amperes OCP: a. Minimum branch circuit: No. 12 AWG. b. 120V longer than 60 feet first outlet to panel: No. 10 AWG. c. 120V longer than 120 feet from first outlet to panel: No. 8 AWG d. 277V longer than 130 feet from first outlet to panel: No. 10 AWG. e. 277V longer than 220 feet from first outlet to panel: No. 8 AWG. 2. Other circuits sized to limit voltage drop per National Electrical Code. 3. Control Wiring: No. 14 AWG, unless otherwise specified...
