Klein Tools GFCI Receptacle Tester with LCD

Klein Tools GFCI Receptacle Tester with LCD

The RT250 is an electrical receptacle tester that tests the wiring conditions at an electrical outlet and inspects GFCI devices. The LCD displays the voltage, identifies the wiring fault, and the time required to trip a GFCI device. It is designated for use with North American 3-wire 120V electrical outlets.