15va x 15,000sf / 830v = 271a or a 400a HV

20va x 15,000sf / 830v = 361a is still a 400a HV service

We can even back into it and a 400a HV service is 22va/sf...

Last edited by ITO; 05/22/07 05:14 PM.
101° Rx = + /_\