How to Use Cheap Electrical Testers . We’ll show you how to use inexpensive electrical testers to make electrical work safer and easier. We cover three testers—a non-contact voltage tester, a circuit tester and a continuity tester. You can buy all three at home centers for about $20, then you’ll never have to worry about getting shocked again. www2.familyhandyman.com
I Have 2 Black Wires, No Ground, And A Multimeter. Which Is The Line/hot? . Just moved into an old house and I'm installing some timer switches for the exterior lights that say they need proper polarity in the manual. that being said every wire in the house is black. There www.diychatroom.com
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