How to Use a Plug-in Tester

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Use a plug-in tester to test a three-slot receptacle.

Details

Use a plug-in tester to test a three-slot receptacle. With the power on, insert the tester into the suspect outlet. The face of the tester has three colored lights that will light up in different combinations, according to the outlet’s problem. A reference chart is provided with the tester, and many have a chart on the tester itself.

 

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