olin_piclist@embedinc.com (Olin Lathrop) wrote: > The normal 110V house circuits are between one end of the secondary and > the center. Such breaker panels have two columns of breakers side by > side, with each column driven from a different end of the 220V winding. Almost right. The taps are actually interleaved within the columns; otherwise, you wouldn't be able to plug in a dual breaker for a 220V circuit at all. -- Dave Tweed -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist