The Mastech circuit breaker tester identifies circuit breakers on energized electrical systems. Automatic sensitivity adjustment and automatic polarity selection remove ambiguity about readings. The tester indicates the presence of a circuit breaker with a buzzer and an indicator light. The tester includes a transmitter, which is plugged into an electrical outlet, and a receiver, which is powered by a 9V battery.
The Mastech circuit breaker tester is a preferred solution for the latest in code requirements. Identify circuit breakers fast and efficiently. Quick and easy to use and extremely accurate readings. Always find the right breaker!.
The circuit breaker works on powered systems from 90 to 250V AC and is suitable for house, office, residential and light commercial environments.
The Testers Green Led Lamp will Light up automatically to Indicate low voltage existence; the yellow to indicate moderate voltage; the red to indicate high voltage, ensuring your safety, helping you work in dark environments.
Receiver Power Supply: 1 x 9V Battery (Not included)