Klein Tools ET310 – Circuit Breaker Finder – GFCI Tester
Details
The Klein Tools ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester is a digital tool designed to quickly and accurately locate the correct circuit breaker in a panel for a connected outlet or fixture. The system includes a Transmitter that plugs into the outlet or fixture and a Receiver that scans the panel. The Receiver provides clear visual and audible signals when the correct breaker is found. The Transmitter also functions as a GFCI outlet tester to inspect wiring conditions and test GFCI devices. Built for convenience, the Transmitter docks into the Receiver for compact storage.
Key Specifications
- Manufacturer: Klein Tools
- Series: Circuit Breaker Finders
- Part Number: ET310
- Type: Electronic Tester
- Application: Locate Circuit Breakers, Test GFCI Devices
- Voltage Range: 90–120V AC
- Battery: 1 × 9V (Receiver only)
- Special Features: Visual and audible breaker indication, integrated GFCI tester, auto power-off, low battery indicator
- Material: PC & PC-ABS housing
- Dimensions: 10.96" L × 2.16" H × 1.39" W (with Transmitter docked)
- Weight: 7.2 oz (204 g)
Warnings
- Read, understand, and follow all warnings and instructions before operating testers.
- Verify tester operation before each use on a known live and correctly wired receptacle.
- Do NOT use if the tester appears damaged. Consult a qualified electrician for wiring issues.
- For indoor use only. Designed for 120V AC systems. Do NOT connect to higher voltage supplies.
- Use extreme caution around energized, bare wires and open breaker panels.