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The Grainger 14K763 is a 14 gauge, type 1 solid copper building wire with THHN/THWN insulation rated for temperatures up to 90°C. It is UL and CSA listed and RoHS compliant. This 500 foot spool of copper building wire is designed for use in conduit and general purpose wiring applications. The wire has a stranded conductor and a diameter of 0.0641 inches. It can be used for branch circuits, feeders and services requiring high temperature insulation. This American-made copper building wire meets Federal Specification A-A-59544 and complies with NEC type THHN and THWN.
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