Klein Tools ET300 circuit finder. Two part tool, transmitter and receiver. Used to identify which circuit breaker an outlet is plugged into.
In plastic clamshell. 9V battery for reciever.
Operation
- Identify the wall outlet or fixture for which the breaker must be determined.
- Safely check that the outlet or fixture is live.
- Plug in the transmitter. Its LED will light if it is receiving power.
- Move to the breaker panel with the receiver.
- Turn on the receiver by pressing, but not holding, the power button. You will hear a beep and see its LED lit.
- Position the receiver perpendicularly on the breakers in the panel with the power button pointing up.
- Slowly scan all breakers in the panel once. Ignore any beeps or indications, as the receiver is learning the panel.
- Scan all breakers a second time. This time, the receiver will beep and illuminate the green arrow only at the correct breaker.
- The Klein Tools ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected.