neutral and ground wires on a common bar in main panel

[sgardner]

trying to find the refrence for installing the neutrals and ground wires on the same bar in a residential panel with main cb that serves as the service entrance equipment.

 

[Smart $]

trying to find the refrence for installing the neutrals and ground wires on the same bar in a residential panel with main cb that serves as the service entrance equipment.

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VII. Methods of equipment grounding​

250.130 equipment grounding conductor connections.
...​

(a) for grounded systems. the connection shall be

made by bonding the equipment grounding conductor to
the grounded service conductor and the grounding electrode
conductor.​

​

 

[eprice]

trying to find the refrence for installing the neutrals and ground wires on the same bar in a residential panel with main cb that serves as the service entrance equipment.

250.24. Note that 250.24(A)(5) prohibits the grounded conductors (neutrals) and equipment grounds from being on the same bar after the service disconnect. It does not prohibit them being on the same bar at the service disconnect, hence it is permitted.