[250.24(A)]. The grounded service conductor.
 

[250.24(A)(1)]. Yes.
 

 [250.24(A)(5)]. No, except as permitted in Article 250. Refer to the Article 100 definitions of grounding, bonding, and grounded conductor.
 

[250.24(B)]. The equipment grounding conductor(s) and the service disconnect enclosure.
 

[250.24(B)] Exception No. 1 and Exception No. 2. Where more than one service disconnect is in an assembly listed for use as service equipment; or where you are working with an impedance grounded neutral system.