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Outlet Grounding / Polarity Checker

Outlet Grounding / Polarity Checker 

This product is suitable for general residential, single-phase three-wire (domestic wiring), AC 110V socket electrical safety testing, grounding type (three-hole) sockets. Quickly test whether the socket wiring is normal with simply light indication.
  • The operation is simple. You can know whether the socket is connected correctly right after plugging it in.
  • Time-saving; the inspection can be completed in one second that is faster than a three-use electric meter or a test screwdriver.
  • Three lights and six kinds of display, you can find out the problem immediately.
  • It can also be used by people without electrician background.
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