Electrical Wiring in the Home/20 amp outlets

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Question
I replaced 2 15 amp outlets in the outlets on the outside of my house with 20 amp outlets. This is causing the 20 amp gfci in my bathroom to trip. my house was built in 93' and I have 200 amp service panel. The main breaker supplies an outlet in the bathroom (the 20amp gfci), the two outdoor outlets and one in the garage. The main breaker is a square D that says 10,000 ACI 120/240V. I would guess that this is a 15amp breaker. Nothing is plugged into any of these outlets and it still trips the 20amp gfci. how do I correct this problem?

Answer
Hi.

You may have a wire touching something it shouldn't.  Try disconnecting what you did, then try it. Put the outlets back one at a time. This will narrow down the problem.  Make sure that the power coming in connects to the line side of the GFCI, and the wire going to the other outlets is connected on the load side.

While this would not cause it to trip, make sure you have 12 gauge wire for the 20 amp outlets. If the breaker has a 15 on it, you should not use 20 amp outlets.
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Electrical Wiring in the Home

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Bob Sponaugle

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Just about any home wiring question. (not appliance repair) I have done all kinds of home wiring for myself, including adding a new breaker box, etc. Please, questions from North America only. Please be specific with details.

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