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OC Motor Pool and Maintenance Shop <br />PDC Project 23017 Power Conductors and Cables 26 05 19 - 2 <br />2.01 CONDUCTOR AND CABLE APPLICATIONS <br />A.Do not use conductors and cables for applications other than as permitted by NFPA 70 and <br />product listing. <br />B.Provide single conductor building wire installed in suitable raceway unless otherwise indicated, <br />permitted,or required. <br />C.Nonmetallic-sheathed cable is not permitted. <br />D.Service entrance cable is not permitted. <br />2.02 CONDUCTOR AND CABLE GENERAL REQUIREMENTS <br />A.Provide products that comply with requirements of NFPA 70. <br />B.Provide products listed,classified,and labeled as suitable for the purpose intended. <br />C.All conductors shall be labeled two feet on centers indicating size,type,voltage,rating,and <br />manufacturer's name. <br />D.Provide new conductors and cables manufactured not more than one year prior to installation. <br />E.Unless specifically indicated to be excluded,provide all required conduit,boxes,wiring, <br />connectors,etc.as required for a complete operating system. <br />F.Comply with NEMA WC 70. <br />G.Conductor Material: <br />1.Provide copper conductors only.Substitution of aluminum conductors for copper is not <br />permitted. Conductor sizes indicated are based on copper. <br />2.Copper Conductors: Soft drawn annealed,98 percent conductivity,uncoated copper <br />conductors. <br />H.Minimum Conductor Size:12 AWG. <br />I.Maximum Conductor Size:500 kcmil <br />J.Conductors for branch circuits shall be sized to prevent a voltage drop exceeding three percent <br />(3%)at the farthest outlet of power,heating and lighting loads,or any combination of such loads. <br /> The maximum total voltage drop on both feeders and branch circuits to the farthest outlet shall not <br />exceed five percent (5%). <br />1.Where the branch circuit conductor length from the panel to the first outlet on a 277 volt <br />circuit exceeds 125 feet,the branch circuit conductors from the panel to the first outlet shall <br />not be smaller than #10 AWG. Increase the branch circuit conductor size an additional wire <br />size for reach 125’of additional length of the entire circuit. The ground conductor size shall <br />be increased proportionately to the increase in the phase conductors per 2020 NEC <br />250.122(B). <br />2.Where the conductor length from the panel to the first outlet on a 120 volt circuit exceeds 50 <br />feet,the branch circuit conductors from the panel to the first outlet shall not be smaller than <br />#10 AWG. Increase the branch circuit conductor size an additional wire size for reach 100’of <br />additional length of the entire circuit. The ground conductor size shall be increased <br />proportionately to the increase in the phase conductors per 2020 NEC 250.122(B). <br />K.Conductor Color Coding: <br />1.Color code conductors as indicated unless otherwise required by the authority having <br />jurisdiction. Maintain consistent color coding throughout project. <br />2.Color Coding Method: <br />a.Conductors #10 AWG and smaller shall be factory color coded. <br />b.Conductors #3 and larger shall be factory color coded on the entire length. <br />3.Color Code: <br />a.208Y/120 V,3 Phase,4 Wire System: <br />1)Phase A: Black. <br />2)Phase B: Red. <br />3)Phase C: Blue. <br />4)Neutral/Grounded: White. <br />Docusign Envelope ID: EF9C08D2-5B75-438B-8D6D-8473F81BD7C4