GFCI Module provides downstream protection for all outlets and connections. Available in 3' (914mm), 5' (1.5m) and 6' (1.8m) lengths with 6" (152mm) receptacle spacing. 15A tamperresistant receptacles. 3-wire, #12 THHN (1 hot, 1 neutral, and insulated ground conductor). .040" (1.0mm) steel housing. Packed 2 per carton. Each unit supplied with one (1) Coupling and two (2) Blank End Fittings. GFCI Class A 20A 125V 60Hz.