Thank you all very much for the information. It was just what I was looking for.
This is a great site and I will keep in touch in case I can answer a question for someone in the future.
Thanks again!
Can someone tell me where to find a standard on the standard deviation of line voltage in North American systems. Is there a given tolerance for the utility that they must meet when they supply each different voltage. For instance, if the line voltage is 277/480 volt how low can the 277 be and...