About the Amprobe ST102B Receptacle Tester w/GFCI The Amprobe ST102B Receptacle Tester w/GFCI is designed for proper wiring and operation. The Amprobe ST102B Receptacle Tester w/GFCI features easy to read light indicators that display common wiring problems and also confirm GFCI socket is wired for protection. The Amprobe ST102B Receptacle Tester w/GFCI has GFCI circuit trips that confirm the tester is working properly. The Amprobe ST102A Receptacle Tester w/GFCI can be used with 110125 VAC electrical systems.
Tests standard & GFCI sockets/outlets/receptacles for proper wiring (110-125V AC)
Verify proper wiring of GFCI (ground fault circuit interrupter) and standard US and Canadianwall outlets with a simple push of a button
Detect five different wiring faults [open ground, open neutral, open hot, hot/ground reverse, and hot/neutral reverse]
UL and CSA listed for safety