Master Lock 487 Rotating electrical plug lockout for 120 and 240 volt plugs

Surrounds the electrical plug and protects against accidental reconnection For electrical plug sizes up to 2-1/4 in. (57 mm) in diameter x 3-1/4 in. (82 mm) with cord diameter up to 3/4 in. (19 mm) (Most 110 and many 220-volt plugs) Complete with high visibility permanent safety labels Patent-pending rotating design allows for easier installation in confined space applications Patented rotating design allows for easier installation in confined space applications