The GFCI 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. Detect and identify common wiring faults, ensuring electrical safety and proper functionality of GFCI receptacles.
Requires 2 AAA batteries