Digital Circuit Breaker Finder w/ GFCI Outlet Tester | KLN-ET310

Klein Tools' Digital Circuit Breaker Finder w/ GFCI Outlet Tester combines circuit identification and outlet testing in a compact, practical tool for residential electrical work. Its transmitter operates directly from the circuit, while the receiver uses one 9V battery and automatically shuts off after approximately three minutes of inactivity to conserve power. A low-battery indicator, integrated transmitter storage, and 6.6-ft. drop resistance add useful jobsite functionality. With a CAT II 120V safety rating, the tester is intended for measurements at utilization points such as receptacles and similar low-voltage mains connection points.

• Identifies the circuit breaker corresponding to a connected outlet or fixture
• The transmitter includes a GFCI tester for checking outlet wiring and GFCI devices
• The receiver provides both visual and audible indications when the correct breaker is located
• A CAT II 120V safety rating makes the tester suitable for applicable utilization-point measurements
• The receiver uses one 9V battery while the transmitter draws power directly from the connected circuit