mfphillipps
Member
- Location
- San Francisco
- Occupation
- C-10
Is a ground required form the electrical service entrance to the sub panel if the sub panel is the first point of distribution?
To answer what seems to be the question, if the "service entrance" means a main breaker, yes, you need a 4-wire feeder and non-bonded neutral in the distribution panel. Is this a modification to an existing installation or is it new work?Is a ground required form the electrical service entrance to the sub panel if the sub panel is the first point of distribution?
You'll need to help us a little with your terminology.Is a ground required form the electrical service entrance to the sub panel if the sub panel is the first point of distribution?