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The LEVITON MFG CO R51-GSRA1-THD is a self-test, compact, right-angle plug-in GFCI device with open neutral protection, rated for 15 amps at 120 volts AC, 60 hertz. The right-angle profile keeps the plug low-profile against an outlet face, making it well suited for cord-connected equipment in tight spaces. A green LED indicator confirms active ground-fault protection at a glance. The rainproof housing and load-side wiring chamber with screw terminals and built-in strain relief make this unit appropriate for damp or wet-location cord applications. Licensed electricians and qualified service technicians install this device where ground-fault protection is required at the cord end.
This GFCI plug is designed for outdoor, damp, or wet-location use on three-conductor flexible cord sets. Acceptable cord types include SJTW, SJTOW, SJTOOW, SJEOW, STW, STOW, and STOOW. Compatible cord insulation outer diameters range from 0.330 inches to 0.597 inches. Typical applications include portable power tools, extension cords, outdoor equipment, and temporary power supplies where end-of-cord ground-fault protection is required by code. The self-test feature automatically verifies GFCI functionality without requiring manual button testing.
Designed for use with three-conductor flexible cord types SJTW, SJTOW, SJTOOW, SJEOW, STW, STOW, and STOOW with insulation outer diameters between 0.330 inches and 0.597 inches.
Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize the circuit before wiring the plug. Use only the specified cord types listed on the device; substituting unlisted cord types may void listings and create a safety hazard. Ensure the strain relief is properly secured to the cord jacket before energizing.
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