I have a circuit breaker located in a service entrance panel that protects the porimary of a 480/120,208v 75kVA delta-wye transformer. The secondary of the transformer directly supplies a main lug only power panelboard. The service entrance panel, transformer & panelboard are located within the...
The problem I have is with regard to grounding requirements within the main electrical room within a building, containing a metal enclosed HV switchboard. Clause 36-308 is quite specific in terms of grounding non - current carrying metal equipment, structures & items forming part of the station...
