E-Safe Electrical Plug Lockout. The E-Safe "lock-a-plug" completely encloses the plug from any accidental reconnection. The electrical cable is inserted through the opening and then closed. Multiple entry locking system avoids usage by unauthorized personnel during critical times. Made of "polypropylene" plastic. Totally dielectric, resists hot or cold temperatures up to 300 degree F. Has sliding closure and integrated multiple lockout. For 220/550 volts, cord 1", plug 3" x 3" x 6-3/4". Color: red (padlock sold separately).