Z Zifkwong Member Aug 24, 2006 #1 Is their any requirement in the NEC or OSHA that requires junction boxes, disconnect switches, panelboards, tray, or any type of equipment or raceway that has 480 volt wiring within it to be labeled with a sticker that says "480 Volt"?
Is their any requirement in the NEC or OSHA that requires junction boxes, disconnect switches, panelboards, tray, or any type of equipment or raceway that has 480 volt wiring within it to be labeled with a sticker that says "480 Volt"?
T thinfool Senior Member Location Kentucky Aug 24, 2006 #2 No, But a lot of engineers and safety departments require it.
T triphase Senior Member Aug 24, 2006 #3 Nope... per NEC any thing less than 600 volt is "low voltage"