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The ENCORE thhn12strgry1250c is a 12 AWG stranded copper THHN building wire with gray insulation, supplied in a 1250-foot PullPro coil. THHN is a single-conductor thermoplastic-insulated wire rated for use in conduit and cable trays in both dry and damp locations. The stranded construction improves flexibility during pull-in, reducing kinking and fatigue in longer conduit runs. Copper conductors deliver reliable conductivity and meet standard ampacity tables under NEC. This wire is a staple for electricians wiring branch circuits, panel feeders, and general-purpose outlet and lighting circuits in residential and commercial construction.
This wire is suited for use in residential, commercial, and light industrial electrical installations where THHN-rated conductors are required in conduit or raceway systems. The 1250-foot PullPro packaging is designed to allow smooth, tangle-free pulls on the job site, reducing labor time during conduit fill. Gray insulation is commonly used to identify specific circuits or phases according to local wiring conventions. Electricians and electrical contractors are the primary installers of this product.
Designed for use in conduit, wireways, and cable tray systems requiring 12 AWG THHN-rated building wire in residential, commercial, and light industrial applications.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize and lock out the circuit before making any connections. Use appropriate wire-pulling lubricant for longer conduit runs to reduce insulation stress. Do not exceed the conductor ampacity rating as listed in NEC tables for the specific conduit fill and ambient temperature conditions.
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