Quick electrical help via /r/DIY


Quick electrical help

I am replacing a switch and outlet in my bathroom, bought a new dimmer switch and GFCI outlet. I did not take pictures of the previous ones that were removed a while back. I am now having issues with what I thought was correct.

Single switch with single light.

Single outlet in same box as switch

Into the box are two sets of wires:

Black + Gray + Ground

Black + Red + White + Ground

Both grounds are connected, and connected to the box. Tested Negative for power

Both black wires are connected together. Tested Positive for power

Red wire is not connected to anything currently. Tested Positive for power

White wire is not connected to anything currently. Tested Positive for power

Gray wire is not connected to anything currently. Tested Negative for power

I have tried what I thought was the right combination, but the outlet immediately trips, I have since re-read the instructions, and watched some youtube videos, but nothing mirrors what I have in this house.

I am sure I am missing some details, I am hoping this is a common pattern (3 wires, 4 wires) that someone might be able to know quickly what's what. I don't currently have a multimeter to know which wires go exactly where, I can get one if needed, currently testing with a Klein outlet testing thing.

Sorry for the dumb question!

Submitted March 25, 2021 at 09:36PM by sk1tr
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