Tommy Mac Discussions › Forums › Fix-it Forum: Home Improvement & Do It Yourself Repair Forum › Arc Fault breaker › Ground fault › faults
September 30, 2009 at 6:32 pm
#302476
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Sharing neutrals is a dangerous shortcut on any circuit, and it will always cause a ground fault on a monitored circuit.
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It does not cause a ground fault – which is current getting to the ground wire. What it causes is nuisance trips due to the imbalance between the hot and neutral.