The Extech ET10 GFCI Receptacle Tester makes checking an electrical outlet for faulty wiring as easy as plugging in a toaster. Simply plug it into any 3-wire receptacle and the LED light will indicate the condition of the circuit.
- Tests GFCI circuits and for faulty wiring in 3-Wire receptacles
- Ensure your AC outlets are properly wired
- Detects open ground, open neutral, open hot, hot/ground reverse and hot/neutral reverse
- Lights indicate circuit condi