2018-06-06 Update: DIY socket tester, essential for home inspection
You may be worried the wiring is not correct if you just finished decorating your house: may get an electric shock or leakage. Dont worry, now were going to make a socket tester that will specifically detect the line sequence of the socket and ensure that it is the correct wiring.Led display tableHere the principle I will explain:(1) The wiring is correct: because the neutral line and the live line are conducting, the led2 is on. Because the earth wire is grounded, there will be a sm...
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