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electrical - How do I identify six light switch wires with a multimeter? - Home Improvement Stack Exchange
If your line and load wires are the same color, how do you know which is which? How do you identify a load and line wire? - Quora
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electrical - Crossing the neutral wires between line and load on a conventional (non-GFCI) duplex outlet? - Home Improvement Stack Exchange
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4-way switch wiring help - line and load in same box - Devices & Integrations - SmartThings Community
If your line and load wires are the same color, how do you know which is which? How do you identify a load and line wire? - Quora
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