ELECTRICAL PLUG ADAPTER HAVING SOCKET KEY SAFETY SYSTEM

摘要

An electric vehicle ("EV") charger plug adapter apparatus (800) includes an adapter housing (805), a socket (810) extending into a first side (820) of the adapter housing (805), the socket configuration defined by a first technical standard for use with at least one of a first current or voltage rating, a plug (130) extending from a second side (150) of the adapter housing (805), the plug configuration defined by a second technical standard for use with at least one of a second current or voltage rating, and a key (827) extending from the first side (820) of the adapter housing (805), wherein the key (827) prevents seating of a second plug (815) into the socket if the second plug does not have a complementary key socket (330) to fit the key (827).