Also known as twist-lock devices, these connectors withstand tough, repetitive use, and are more durable than standard turn-lock connectors. They turn to lock together when mated to prevent accidental disconnection.

Stainless steel hardware and nickel-plated blades or slots protect connections from damage in corrosive environments. These connectors turn to lock together when mated to prevent accidental disconnection.

A quarter turn locks these connectors in an outlet to remain secure in high-vibration applications and prevent accidental disconnection. They are not compatible with NEMA configurations.