Getelectric: It sounds like you are looking for 10-204(2), and applying it to a delta/wye transformer. Table 17 and 3/0 would be the correct. However the last phrases and their reference to 4-022 confuse me. I believe the 4-022 reference would apply to a wye primary.
[This message has been edited by crash (edited 12-22-2003).]
