Do You Have 'Redundant' GFCI Protection In Your Bathrooms?

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A redundant GFCI (Ground Fault Circuit Interrupter) in a home refers to the presence of multiple GFCI devices or outlets installed in series within an electrical circuit. GFCIs are designed to protect against electrical shocks by quickly interrupting the power when a ground fault is detected. In some cases, homeowners may inadvertently install more than one GFCI device in a single circuit, creating redundancy.

While this might seem like an extra layer of protection, it can lead to operational issues, as GFCIs are not meant to be daisy-chained. Redundant GFCIs may interfere with each other and cause nuisance tripping, rendering them less effective. It is recommended to have only one GFCI device per circuit to ensure proper functionality and electrical safety in a home.

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Most electrical inspectors, don’t like the redundancy, because of the confusion for home owners.

eppersonelectrical
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Those are fun (lol) to run around looking for that other one.
Ugh. 😂🤦

inspectflix
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Why the redundancy? In case the first one fails, in the closed position? GFCI Breaker? Wouldn’t that be a superior installation?

eppersonelectrical
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I was taught they run in parallel using a daisy chain thing so that voltage is consistent. I haven't done any field work yet just classes but why would GFCI be run in series I thought they were meant to protect a circuit and that one GFCI provided as much protection as any amount of GFCI could

primepikachu
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Load-wiring multiple GFCIs is stupid, and not that common in my experience.

andCI