When splicing a circuit in a panel, is it nec to connect the grounds too ?

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Stevenfyeager

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United States, Indiana
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electrical contractor
When splicing a circuit in a panel to source it from another panel, is it necessary to connect the ground wires or just hots and neutrals? Someone accidentally used two 208 v spaces for single pole 120 v outlets, so we are installing a sub panel for spaces for those 2 120 v outlets and for other items. Thanks
 
Are you saying you are splicing/extending two circuits from a panel to move them to a subpanel? If so, as long as there is a 4-wire feed to the subpanel, then the EGC for the circuits to be moved could remain in the main panel. If this is a cable (NM) then it is a moot point since the EGC is already in the cable.
 
Little Bill said:
Are you saying you are splicing/extending two circuits from a panel to move them to a subpanel? If so, as long as there is a 4-wire feed to the subpanel, then the EGC for the circuits to be moved could remain in the main panel. If this is a cable (NM) then it is a moot point since the EGC is already in the cable.
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Yes, I’m moving them to a 4 wire sub panel.
Thank you.
 
Since an EGC can have any combination of wire, conduit, enclosure, bus, fitting, etc., in its pathway, I see no reason it needs to be relocated.
 
Stevenfyeager said:
When splicing a circuit in a panel to source it from another panel, is it necessary to connect the ground wires or just hots and neutrals? Someone accidentally used two 208 v spaces for single pole 120 v outlets, so we are installing a sub panel for spaces for those 2 120 v outlets and for other items. Thanks
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Delta? LOL! Hey, every third space is open? I had a competitor that I ate breakfast with every morning at a local restaurant, and be made that mistake. I warned him that morning, because he was installing a fan in a plant that I built the service on many years earlier! Didn’t take long for him to figure out what I was telling him when the fan started smoking! LOL!
 
I just leave the existing grounds on the groundbar, and run a single EGC to the new sub. No reason each circuit passing through needs a unique ground to the sub.
 
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