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Type: Posts; User: JL Sargent

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    To say it another way: Previously motors were...

    To say it another way: Previously motors were built to best operate at 440v. They were tuned if you will to be most efficient at this voltage. Nema standard comes along and with it T frame motors and...
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    In the late eighties I worked for several...

    In the late eighties I worked for several companies in the S.E. and seemed like 440v was the communicated voltage. Common to see stickers on MCCs with that voltage listed. Now its 480v I see listed....
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    I think the answer is a compilation of alot of...

    I think the answer is a compilation of alot of things. One is that standards have changed through the years. I think the 220v/440v is an old standard. 3300 sounds familiar and 5000 was an old...
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