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TOPIC: How to bond big pull box?

How to bond big pull box? 26 Sep 2017 13:42 #292

  • JoeClark
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Hi,

I have (6) underground PVC service entrance conduits coming into the basement of a building from the utility transformer.
My main service gear cannot be up against the wall where the conduits enter the building because there mechanical equipment in the way.
However I do have the option of setting a custom made metallic pull box along the wall, bringing my conduits into that and then bringing (6) PVC conduits out of the side of the pull box ran about six feet and into my service gear.
So basically I would have a metallic pull box in between PVC conduits.
There is no EGC ran in the pipes to the transformer from the pull box.
Can I just run one big bonding jumper to bond the box since this is before my main disconnect or do need one in each conduit?
Please help.

Thanks!

I didn't find the right solution from the Internet.

References:http://www.electriciantalk.com/f2/how-bond-big-pull-box-226889/

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