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Orange County Health Department Improvements Smith Sinnett /2024008 <br />Hillsborough,NC Orange County Asset Management Services <br />POWER CONDUCTORS AND CABLES 26 05 19 - 3 <br />a.Triangle <br />b.Okonite <br />c.Houston Wire and Cable <br />d.or approved equal <br />B Description: Single conductor insulated wire. <br />C Conductor Stranding: <br />1.Feeders and Branch Circuits: <br />a.Size 10 AWG and Smaller: Solid. <br />b.Size 8 AWG and Larger: Class B Stranded. <br />D Insulation Voltage Rating: 600 V. <br />E Insulation: <br />1.Copper Building Wire: Type THHN/THWN or XHHW-2. <br />2.Conductors routed on roofs or other exterior surface where raceway is exposed to direct sunlight shall <br />be type XHHW-2 insulation. <br />3.Aluminum Building Wire (only where specifically indicated or permitted for substitution): Type <br />XHHW-2. <br />2.04 WIRING CONNECTORS <br />A Description: Wiring connectors appropriate for the application,suitable for use with the conductors to be <br />connected,and listed as complying with UL 486A-486B or UL 486C as applicable. <br />B Connectors for Grounding and Bonding: Comply with Section 26 05 26. <br />C Wiring Connectors for Splices and Taps: <br />1.Splices or taps shall not be allowed for feeder conductors unless specifically noted on plans. <br />2.Where a splice or tap for feeder conductors is noted on the plans,connectors shall be Blackburn <br />insulated multi-tap or approved equal. <br />3.Splices in branch circuit conductors shall be allowed in accessible junction boxes,troughs,or gutters. <br />a.Copper Conductors #10 AWG and smaller: Use twist-on insulated spring connectors. <br />b.Copper Conductors #8 AWG and larger: Use mechanical connectors with gum rubber tape or <br />friction tape.Solderless mechanical connectors with UL listed insulating covers may be used at <br />contractor's option. <br />4.Use of split bolts is not allowed. <br />5."Sta-kon"or other permanent type crimp connectors shall not be used for branch circuit connections. <br />D Wiring Connectors for Terminations: <br />1.Provide terminal lugs for connecting conductors to equipment furnished with terminations designed for <br />terminal lugs. <br />2.Provide compression adapters for connecting conductors to equipment furnished with mechanical lugs <br />when only compression connectors are specified. <br />3.Where over-sized conductors are larger than the equipment terminations can accommodate,provide <br />connectors suitable for reducing to appropriate size,but not less than required for the rating of the <br />overcurrent protective device. <br />E Twist-on Insulated Spring Connectors: Rated 600 V,221 degrees F for standard applications and 302 <br />degrees F for high temperature applications;pre-filled with sealant and listed as complying with UL 486D <br />for damp and wet locations. <br />2.05 ACCESSORIES <br />A Electrical Tape: <br />1.Vinyl Color Coding Electrical Tape: Integrally colored to match color code indicated;listed as <br />complying with UL 510;minimum thickness of 7 mil;resistant to abrasion,corrosion,and sunlight; <br />suitable for continuous temperature environment up to 221 degrees F. <br />a.Product: Okonite 2000 or approved equal. <br />Docusign Envelope ID: 2D852F9B-A7CF-462A-9536-444A53AA848A