The Lex Products PE700J-100-L620 is a 100 foot NEMA L6-20 Locking Extension Cable. It features a locking male plug with a locking female connector. The hard usage 12/3 type SJOOW cord is suitable for the entertainment industry and works with equipment such as stage fixtures. Its locking capability prevents accidental disconnections and a 4" clear heat shrink is provided for a user label.