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The ENCORE thhn12stryel1250c is a 12 AWG stranded copper THHN building wire with yellow insulation, supplied in a 1250-foot PullPro coil. THHN is a thermoplastic-insulated, nylon-jacketed wire rated for use in conduit and cable trays in dry and damp locations. The stranded copper conductor provides flexibility during pull-through in conduit runs, making it a standard choice for branch circuit and feeder wiring in residential, commercial, and light industrial electrical work. Licensed electricians specify this gauge for 20-amp circuits under NEC guidelines. The PullPro packaging is designed to allow smooth, tangle-free pulls directly from the coil on the job site.
This wire is used in conduit systems for branch circuit wiring, panel feeders, and general-purpose electrical distribution. The yellow insulation color follows NEC color-coding conventions commonly used to identify specific circuit phases or conductor functions on a job. It is appropriate for indoor and outdoor conduit installations in dry and damp environments. Electrical contractors and licensed electricians are the primary installers of this product in both new construction and retrofit applications.
Designed for use in standard conduit and cable tray installations requiring 12 AWG THHN building wire in residential, commercial, and light industrial electrical systems.
Installation must be performed by a licensed electrician in accordance with the NEC and applicable local codes. De-energize and lock out the circuit before making any connections. Use wire-pulling lubricant for longer conduit runs to reduce pull tension and prevent insulation damage. Do not exceed the ampacity rating for 12 AWG conductors as specified in NEC Table 310.
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