Klein Tools ET310 AC Circuit Breaker Finder

The Klein Tools ET310 is an AC circuit breaker finder designed to identify breakers quickly and accurately. It consists of a transmitter and a receiver. The transmitter plugs into an electrical outlet, and the receiver is used to scan the corresponding circuit breaker panel to locate the correct breaker. Visual and audible indicators on the receiver signal when the correct breaker is identified. This tool is ideal for electricians, maintenance personnel, and homeowners who need to identify circuit breakers without interrupting power to other circuits.