The E-SAFE™ completely encloses the plug from any accidental reconnection. Electrical cable is inserted through the opening then closed. The single entry (LP110) or multiple (LP550) locking system avoids usage by unauthorized personnel during critical times. The lockout devices are made of a strong polypropylene that is highly resistant to cracking, abrasion and extreme temperature changes (-50° F to 360° F), fully dielectric and has a sliding closure and an integrated multiple lockout. Red color. Sold by the each.