rbulsara,
We are a US utility and exempt from NEC requirements.
warss,
Am I correct that from your answer that you are in agreement with grounding again at the service entrance?
I think some concern now is that if there is a fault in the substation, that by bonding the outside service...
We have a substation control building with a secondary source fed off of a distribution line outside the substation. There is a pole mounted, 12470/240V single phase transformer that has the neutral grounded at the pole. The service runs from the pole, underground to the substation across the...
I am a young engineer looking for some form of community involvement. I wold like to volunteer somewhere that is interesting to me and leaves me fulfilled having done it.
As fellow engineers, I think you understand the limited amount of time we normally have available to get involved with...
We have a system that requires a 480/4160V Transformer for a chiller installation. The customer has found a refurbished 750kVA 4160V Delta HV/480V Delta LV that they want to "reverse feed" for this installation. Everyone in the office is saying this install is a bad idea but I think it seems...
