I hope someone could help me. I am installing a XFMR 480v to 120/208. and install a pnl for temp power when a contractor sets up a job trailler. All I have is some 1/0 that is ran from a utility meter to a disc. under a road and stub out the othe side wich is were I would like to set a XFMR and a PNL with 120? any one have a sugjestion what KVA I should have?
how to size for a XFMR?
- Thread starter maday
- Start date
- Status
- Location
- Chapel Hill, NC
- Occupation
- Retired Electrical Contractor
See if reading this helps. http://www.mikeholt.com/mojonewsarchive/NEC-HTML/HTML/TransformerInstallation~20020516.htm
kingpb
Senior Member
- Location
- SE USA as far as you can go
- Occupation
- Engineer, Registered
You talking 1/0 on the 480V side? 75KVA would get you 200A at 208Y/120V.
- Status