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Scott Rehberg Basic Electrical Circuits July 8, 2021, 10:35 pm
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Troubleshooting For HVAC/R - The Don't List
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On an energized, intact circuit, you will read voltage across an OPEN switch when testing with a voltmeter. However, you probably won't read significant voltage across a CLOSED switch. Both sides of a closed switch are electrically identical (or at least very close). Therefore, there should be no movement of electrons between the leads of […]Read more
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