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The THHNCU-GENERIC thhn12strorg500r is a 12 AWG stranded copper THHN building wire supplied on a 500-foot spool with orange PVC insulation and a nylon jacket. Rated at 600 volts and 20 amps, this wire is suited for general-purpose branch circuit and feeder wiring in conduit runs across residential, commercial, and light industrial installations. The 19-strand configuration provides flexibility during pulls compared to solid conductors, reducing kinking in tight conduit bends. Licensed electricians install this wire in accordance with NEC requirements for THHN-rated conductors.
This wire is appropriate for dry or wet locations within conduit, with a temperature rating of 90 degrees C in dry environments and 75 degrees C in wet environments. The orange insulation color supports color-coded circuit identification practices common in commercial electrical work. Typical applications include panel feeders, branch circuits, motor connections, and control wiring in conduit systems where THHN-rated conductors are required by specification or code.
Designed as an OEM-style replacement and general-use THHN building wire suitable for installation in conduit systems where 12 AWG, 600-volt, THHN-rated copper conductors are specified.
Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize and lock out the circuit or panel before making any connections. THHN wire must be installed inside an approved conduit or raceway and is not rated for direct burial or exposed outdoor use without conduit protection. Use appropriate wire-pulling lubricant for long or complex conduit runs to avoid insulation damage.
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