Single pole switch. Grounding terminal screw standard. Receptacles are 2 pole/3wire, 15 amp - 125 volt and have triple wipe line contacts and double wipe ground contacts for long-term plug retention. 0.050 in thick steel mounting strap zinc-plated for corrosion resistance. Terminal screws backed out ready for wiring. Side wire terminals accept up to #10 solid or stranded wire. Combination slot/Phillips head mounting and terminal screws. Switches meet all UL 20 requirements, receptacles meet all UL 498 requirements.