I'm changing 2 prong outlets to 3 prong. The house was built in 1957. The boxes are grounded as there is the bare wire coming into the box and wraping around the screw in the back.
Whats the best way to ground the new receptables? a self grounding receptable or a wire from the green screw on the receptable to the screw in the back of the box (where the grounding is attached)?
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