IMS the table in the NEC specifically allows the use of a fifty ampere receptacle on a forty ampere circuit. That is the practical thing to do when the load will be cord and plug connected because there is no source for forty ampere cords and plugs. -- Tom H
"This alternating current stuff is just a fad. It is much too dangerous for general use" Thomas Alva Edison
#92258 - 03/10/0507:02 PMRe: 50A range recep on 40A OCPD & wire?