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nautme t1_j1gn9ph wrote

Hey OP, there's a great little unit that can test proper wiring and also test GFCI outlets. To me, they are a must for anyone DYI'ing home wiring, or if a previous home-owner has done some of their own wiring work. Best part is it's under $13: https://smile.amazon.com/Receptacle-Tester-Klein-Tools-RT210/dp/B01AKX8L0M?th=1

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LumpyStyx t1_j1gpk1r wrote

Thanks. I have one similar to that, and it's showing good ground on what the previous owner did.

I knew I could get good ground through the green wire on the MC cable, I just didn't know if there were any issues with changing the "medium" (for lack of a better word) of ground on a circuit or if there was a better way.

The current outlet was grounded through the conduit, but the whip I bought was MC and that sheath shouldn't be used for ground. So it will be ground through the conduit up to the point that the homeowner stopped. I'll attach the green wire to that existing box to ground my new outlet.

So when I'm done the ground will look like:

(New Outlet) --green wire--> (Existing Outlet Box) --conduit--> ground

I was trying to figure out if it was ok to do half a circuit grounded through one type and the other half another.

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