How do I test an ungrounded receptacle for GFCI protection on a 2-wire circuit?
Ungrounded Outlets and the GFCI Solution | Safer Outlets In Old Homes.
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I'm stumped. Ungrounded GFCI is showing hot/neutral reverse when it is mounted in metal box. Shows just open ground when not touching box. Is this normal/ok? (See comments for further detail) :
Ungrounded Outlets - Massachusetts Home Inspections
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Ungrounded Outlets and the GFCI Solution | Safer Outlets In Old Homes.