I am installing a 1600A. backfeed system connecting to the buss of an existing 1600A. protected MDP. RGS (Rigid Galv. Steel) will be installed from the MDP to a pull box connected by weatherproof gasketed hubs, then to the new enclosed breaker. This is for a temp Generator to be connected. I know I need grounding bushings on both sides, but do i need a means of bonding inside the pullbox? Thanks
Bonding RGS w/meyers hub to pullbox
- Thread starter yellow77
- Start date
- Status
- Location
- Massachusetts
Unless you entering concentric KOs I see no NEC reason you need any grounding bushings at all.
If you would like to include additional grounding means you can get myers hubs with grounding lugs on them.
If you would like to include additional grounding means you can get myers hubs with grounding lugs on them.
buddhakii
Senior Member
- Location
- Littleton, CO
Look at 250.148. No splices, no need to bond grounding conductor. Your box is bonded with the grc though.
- Location
- Illinois
- Occupation
- retired electrician
And if you need a bonding connection for some reason, they make the hubs with grounding lugs on them so you can add a bonding jumper.
Non-metallic pull box and no EGC wire come to mind. OP did not embellish on these points.
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