In this video, learn how to safely test your home’s electrical outlets using a multimeter. Multimeters are a good way of measuring the voltage output that the outlet gives, among other things. Before starting any electrical work, always make sure to turn off the power on your circuit breaker. Watch this video to learn how to effectively use this electrical tool and how to safely check your outlets.
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00:00 Before you start any electrical work, here's how to test an outlet with a multimeter.
00:05 If electrical work feels intimidating, consult an electrician.
00:09 Multimeters come in a few styles, so it's a good idea to refer to the manufacturer's
00:13 instructions if you're not sure how they work.
00:15 Turn on your multimeter and set it to voltage.
00:18 Some multimeters have probe covers, so first, remove those.
00:21 Insert the black, or negative probe, into one side, and the red, or positive probe,
00:26 into the other.
00:27 For safety, always hold both probes in the same hand so you don't get shocked.
00:31 You should see a reading between 100 and 120 volts.
00:34 The process is the same on a standard 3-prong outlet, or any GFCI outlet, like you'd find
00:39 in your kitchen or bathroom.
00:40 Here, we're getting the same reading, around 120 volts.
00:43 To test that the outlet is properly grounded, insert the black probe into the outlet, then
00:47 touch the red probe onto the faceplate screw.
00:49 If it's correctly grounded, you'll see the same reading, between 100 and 120 volts.
00:54 The process is similar at your GFCI outlet.
00:56 If you need to make any electrical repairs, always turn your power off at the circuit
01:00 breaker, then test the outlet to confirm the power's off.
01:03 Now it's safe to start your repair.
01:05 When you're done, flip your circuit breaker back on, and everything should work fine.
01:08 (upbeat music)
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