The listing, Amprobe ST-102B Socket Tester with GFCI has ended.
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.