Socket Tester with GFCI check Receptacle Tester for Standard AC Outlets US 110V

Socket Safety Tester Features: 1. Detect for 110V to 125V AC circuit; 2. Simple to use, plug directly into the socket; 3. Detect whether the third wire is connected incorrectly, that is, check whether the ground wire, live wire, and neutral wire are connected incorrectly; 4.

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