In a message dated 2/28/2005 2:57:04 PM Eastern Standard Time, rtellason@blazenet.net writes: But what you guys are not considering here is the drop in the wires getting to that point -- running at 110V is going to draw twice as much current, but there will be _four times_ as much power wasted as heat, since it's IR... _That_ is the efficiency of using 220V for bigger loads. Yep, this is true and one of the reasons for using 460 volts where possible, three phase of course, not to mention you can use much smaller wiring and other circuit components such as breakers, motor overloads, etc. Just my thoughts. Randy Abernathy 4626 Old Stilesboro Road NW Acworth, GA 30101-4066 Phone / Fax: 770-974-5295 Mobile: 678-772-4113 E-mail: cnc002@aol.com I furnish technical support, repair, and other related services for your industrial woodworking machinery. My background as Senior Service Engineer for the SCMI Group for nearly fifteen years with factory training, combines with my extensive background in electronics, mechanics, pneumatics, electrical and CNC machinery to offer you needed support for your machinery. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist