P philly Senior Member Aug 27, 2009 #1 Can someone please point out to me where in the NEC it requires a ground detection monitor on an ungrounded system for detecting ground fautls. I believe it is a requirement but cant seem to find it.
Can someone please point out to me where in the NEC it requires a ground detection monitor on an ungrounded system for detecting ground fautls. I believe it is a requirement but cant seem to find it.
