An electric plug pneumatic lockout serves as a protective measure device utilized for avoidance the unauthorized use or activation of electrical plugs or outlets, Particularly in manufacturing environments in which electrical equipment is required to be isolated for servicing or repair work. This is the way it typically works design electric plug pneumatic lockouts are usually designed as lockable enclosures or covers that designed to cover the electrical plug preventing access, Or outlet to the plug s controls or preventing the insertion of a plug. They are generally made of durable materials such as plastic or metal to withstand industrial environments.