I have 3 resistance heaters. One is rated for 880 watts at 220 VAC and the other two are each rated for 400 watts at 220 VAC. I am trying to calculate the theoretical currents for each phase if I wire the heaters in a delta configuration across a 3 phase supply. Can anybody point help? Thanks, Aaron -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist