What have certain studies determined about voltage sags?

Asked by arwen46 12 years ago 7/12/2013 4:42 AM

Last updated by anonymous 12 years ago 7/14/2013 2:40 AM

Answered by Dr. John Carmen 12 years ago 7/14/2013 2:40 AM

Certain studies have determined that voltage sags can affect a large region.