Appleton Ground Fault Interrupter Cover/Device, Voltage Rating: 125 VAC, Amperage Rating: 20 AMP, Frequency Rating: 50 – 60 HZ, Trip Type: 5 MILAMP Trip Setting, Enclosure: NEMA 3, 3R, 7BCD, 9EFG, Material: Cast Copperfree (Less Than 4/10 Of 1 PC

U-Line™ Factory Sealed 20 Amp Plugs and Receptacles are used with stationary or portable electrically operated devices in hazardous locations. The ECP Interchanger plug is designed with built-in switch contacts which activate when the plug is twisted into the receptacle. This design allows the ECP plug to fit into standard NEMA 5-20R and 6-20R receptacles, but does not allow standard plugs to be used with the receptacle, ensuring that only safe connections can be made in a hazardous location