Mastfuyi Outlet Tester, Socket Tester for GFCI/Standard North American AC Electrical Outlets, Receptacle Tester for Standard 3-Wire 120V Electrical Receptacles, Detects Common Wiring Problems
- ▲【GFCI】：Push "GFCI TEST" Button, in the test wiring qualified socket, through the GFCI test simulates the presence of leakage protection inside the connection room to start...
- ▲【Convenient & Quick】：Quickly determine the correctness of standard 3-wire receptacle L-N-G wiring, read the results by bright red and green LED indicators
- ▲【Durable & Safe】：Compact ergonomic design, impact-resistant ABS housing, can withstand a 6.6 foot (2m) drop
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