GE and bonding residential service

[electro7]

Hi,
I ran into a situation where I needed to change the grounding electrode and upsize the grounding electrode conductor on an old house. In this situation there is the meter mounted on the outside of the house with the service entrance conductors running about 30ft to the main panel inside the house. This is where the service disconnect is- the main breaker. It does not have any sort of disconnecting means at the meter socket on the outside of the house. The grounding electrode and conductor are near the meter and are bonded to the neutral conductor. At the main panel the neutral and equipment grounds are also bonded. I was wondering if I would need to run an equipment ground back to the main panel from the meter where the grounding electrode is? And if so what would be the code reference for that? Thanks a bunch.

 

[jumper]

You do not need to run an EGC from the Main disconnect/panel to the meter base.

See 250.24(A)(1) and(5).

 

[electro7]

Great, thanks!

 

[guschash]

If I'm reading this right there is no disconnect at meter location which is 30feet away. I think that is excessive distance to run to disconnect in house. Better ask AHJ if you will need a disconnect at meter. Then you need 4 wires to panel. See 230.70(a)(1)

 

[A/A Fuel GTX]

If I'm reading this right there is no disconnect at meter location which is 30feet away. I think that is excessive distance to run to disconnect in house. Better ask AHJ if you will need a disconnect at meter. Then you need 4 wires to panel. See 230.70(a)(1)

As long as the service entrance conductors are outside of the dwelling, I see no issue there.

 

[guschash]

I thought he said 30 ft running inside the house, my mistake.

 

[augie47]

gusco,
I didn't comment on it as the "allowance" varies by jurisdiction, however, I read it the same way as you, 30 ft "inside".
Re-reading, my opinion is that it is unclear as to how much cable is actually inside the residence. Ig it is indeed 30 ft, I think he will find your advice prudent.

 

[bob]

Hi,
In this situation there is the meter mounted on the outside of the house with the service entrance conductors running about 30ft to the main panel inside the house. This is where the service disconnect is- the main breaker..

One can not determine if the main is 30 ft inside the house and the conductors are outside or if the conductors run 30 ft inside the house to the main. You need to clear this up.
Guschash has give you a good answer and even Augie has also for a change.