Extech CB20

Locate the correct circuit breaker or fuse without turning off the power with the Extech CB20 Circuit Breaker Finder, which employs automatic sensitivity to quickly and accurately pinpoint the correct 90 V to 120 VAC circuit breaker or fuse. The CB20 is ideal for a range of applications including locating branch circuit breakers without causing accidental power shutoffs, confirming proper wiring during electrical installation or repair, and testing receptacle ground fault operation. Complete with receiver, transmitter, and a 9 V battery.