GFCI Module provides downstream protection for all outlets and connections. Available in 3ft, 5ft and 6ft lengths with 6 receptacle spacing. 15A tamper resistant receptacles. 3-wire, #12 THHN (1 hot, 1 neutral, and insulated ground conductor). .040in 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. - 3 feet - Aluminum