I have a question regarding isolated grounds. I believe the following is suitable. If running EMT, pull a grounding conductor in the conduit. The grounding conductor in the conduit can serve as the isolated ground and the EMT can serve as the equipment grounding conductor. Does anyone see any problems with this? I do not believe it is necessary to pull a second grounding conductor to serve as the equipment ground, correct?
Isolated Ground
- Thread starter MA_PE
- Start date
- Status
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
You are correct unless specs call for a second egc. The emt is a sufficient groundMA_PE said:
brian john
Senior Member
- Location
- Kilmarnock, Va
- Occupation
- Retired after 52 years in the trade.
But, there are better things you can do to improve PQ than an IG, in My Opinion.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
I don't see any real purpose for pulling two EGC's in EMT. The IG will provide grounding for the receptacle and the equipment plugged into it. The EMT will provide grounding for the metal box. Another EGC for this purpose would be a waste of money.
LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
Those who always pull an EGC in EMT will want two, while those who rely on the EMT will pull one.infinity said:
- Status