How GFCI Protection Works on 2-Wire Circuits (Without Ground Wires)
How GFCI Protection Works on 2-Wire Circuits (Without Ground Wires) ⚡ Key Takeaways GFCI does NOT need a ground wire to work – it monitors current balance, not ground connection Detection happens in 25 milliseconds – fast enough to prevent serious shock (1/40th of a second) Sensitivity: 4-6 milliamps – detects tiny current leaks that […]
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