Originally Posted by iwire
How are we supposed to know what the units are? 'Substation' is not a descript NEC term. Now if you say the units are SDS's, then we have the possibility of one being a GEC, another being an BC/BJ (likely an EBJ), while another being an SSBJ or an EGC. Note that an SSBJ or EGC will only be run with circuit conductors.
Originally Posted by tnt8197
Under the NEC
- an EGC is required to be run with the primary conductors
- an SSBJ is required to be run with the secondary conductors
- a GEC is required for grounding the secondary if it is a grounded system, and it must be run to the same enclosure where the SBJ is located
- an EBJ could be required but in most cases it is a superfluous and not required in most industrial scenarios
I'll never get there. No matter where I go, I'm always here.