princeofpen
Member
- Joined
- Aug 11, 2011
- Messages
- 71
Clarification needed please of you electrical inspectors.
During an inspection I found the grounding conductor leaving the service that passes through a connection to a gas meter and then to ground. I see this as a violation of NEC 08 250.52 (B) (1) in that the gas piping is being used as a portion of the grounding system. Sparky response is that it has to grounded, mine as it has to be bonded as per 250.104(B) and in this case that bond is already at the equipment likely to energize the piping (furnace). Although 250.104 does permit attachment of the gas piping to the grounding conductor using the same grounding size as the circuit likely to energize the piping, direct "through" attachment of the building ground without a jumper would not be permitted in my opinion.
Thoughts please on this? Thanks as well
POP
During an inspection I found the grounding conductor leaving the service that passes through a connection to a gas meter and then to ground. I see this as a violation of NEC 08 250.52 (B) (1) in that the gas piping is being used as a portion of the grounding system. Sparky response is that it has to grounded, mine as it has to be bonded as per 250.104(B) and in this case that bond is already at the equipment likely to energize the piping (furnace). Although 250.104 does permit attachment of the gas piping to the grounding conductor using the same grounding size as the circuit likely to energize the piping, direct "through" attachment of the building ground without a jumper would not be permitted in my opinion.
Thoughts please on this? Thanks as well
POP