Thanks much :) Harold Hallikainen wrote: >> I understand the center tap output with my choices for +12, -12 or 24 >> VAC, Am thinking for 220 VAC, I want to connect the center red and black >> together, and the outer red and black go to the 220 VAC. For 110 volt, >> do I connect the reds together to say the hot 110, and the blacks >> together to the neutral 110? >> > > Yes, that's right. For 240VAC, connect the two primaries in series. For > 120VAC, connect the two primaries in parallel. This is equivalent to a > single primary with double the wire size (cross-sectional area). > > Harold > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist