It's about equipment bonding and bonding
conductors (not equipment grounding and grounding conductors as
stated). By bonding equipment, you remove differences in potential.
We do this with the Equipment Grounding Conductor (EGC), which isn't
necessarily a hunk of wire.
See the definitions of grounding and bonding in
Article 100. You do not want to ground load side equipment, as this
achieves nothing.
[250.116]. Yes, connect those as well. While
250.118 lists specific equipment, nothing says you can't connect all
equipment via bonding jumpers.
[250.118]. More. In fact, there are 14.
[250.119(A)]. 6AWG.
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