The Extech CB20 Circuit Breaker Finder / Receptacle Tester conveniently allows you to quickly locate branch circuit breakers without interrupting power, confirm proper wiring of electrical installation, and test GFCI circuits.
The Circuit Breaker Finder (Receiver) quickly locates circuit breaker and fuses. It has a microprocesser based automatic sensitivity adjustment and an ergonomic design. The unit has an audible, visual and low battery indicator indicator.
The Receptacle Tester (Transmitter) tests GFCI circuits and has LED indication of 2 test conditions and 6 wiring faults. The unit features a test reversed/open connections.
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