How do I test an armored cable (metal jacket cable) to see if it is grounded?
I have several electrical outlets that are not grounded. There are no ground wires running from the circuit breaker. I want to test if the metal box that houses the electric socket connected to an armored cable is grounded.
My wider slot with ground hole are reading a current.
Someone reversed the polarity on some of my outlets. Only one of my outlets by my stove is wired correctly- narrow (hot) and ground hole reading current.
If you have a volt meter or multimeter, you can test with that. Take the outlet cover off & the right slots (small blade slots) on the outlet should be the hot ones.
Stick one of the meter’s probes in the small slot & the other one to the metal box. If you show a voltage, the box is grounded, if not try the other slot, just in case the outlet is wired wrong.
Good luck…
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