I happen to run into this type of 3 phase 240volt service today. I still don't understand the theory behind it but will chew on it till I do.
While I am learning, is any 3 phase 3 wire motor load OK to run on this system? Should this panel be used only for 3 phase loads? The panel I ran into today has a 2 pole 20 in it feeding a forced hot air furnace.

[This message has been edited by Joey D (edited 01-12-2005).]