Grounding

To locate the type grounding system in your home, remove 110v plug cover plates. Using bright flashlight count the number of wires attached to the screws on 110v plugs. The number of wires will tell you if you have 2-wire or 3-wire system.

3-wire systems have one Romex containing one black, white and green.

2-wire systems have one Romex containing one black and one white.

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