Master Lock Rotating Electrical Plug LockoutRotating electrical plug lockout surrounds two-prong 240 and 120 volt plugs, with or without ground, and protects again accidental reconnection. Lock onto prongs to prevent insertion in wall outlet. Outward/inward rotation allows easy application and storage. Tough, lightweight, dielectric Xenoy thermoplastic body withstands chemicals. Plug lockout performs effectively in extreme conditions ranging in temperatures from negative 50 degrees Fahrenheit (negative 46 degrees Celsius) to 350 degrees Fahrenheit (177 degrees Celsius). Use with your existing lockout padlocks or lockout hasps. Circular-style plug lockout is designed for electrical plug sizes up to 2-1/4'' diameter x 3-1/4'' with cord diameter up to 3/4'' and includes high-visibility, permanent safety labels in English, Spanish, and French.Additional