gfci outlet?

Question: i need to add a gfci outlet to each bathroom and kitchen, breaker is 20 amp, but all outlets are 15amp, should i use a 20amp gfci or 15 amp.

Answer: You can install a GFCI in two different ways. You can replace each outlet that needs to be protected with a GFCI receptacle. If you do this, 15 amp GFCIs are fine. The second option is to replace the first outlet in the circuit to be replaced with a GFCI and connect the others to the load side of the GFCI. This is the most common approach. In this case, the GFCI should have the same rating as the breaker, 20 amps. Might add that if you are going to install a separate GFCI for each outlet, you must make certain that none of the GFCIs are connected to the load of one of the others. Hooking GFCIs in series like this will cause excessive nuisance tripping.

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