Where does it state in NEC that earth cannot be the sole source of ground?
D Dale001289 Senior Member Location Georgia Jun 22, 2016 #1 Where does it state in NEC that earth cannot be the sole source of ground?
D Dale001289 Senior Member Location Georgia Jun 23, 2016 #3 iwire said: Near the end of 250.4(A)(5) Click to expand... Thanks Dale