The STOPOUT™ universal blockout wall switch cover attaches to existing switch plate screw(s) and fully encloses the entire switch. The unique design reduces error - applies only in direction of desired lockout position - on or off. Works on both rocker/toggle and flat paddle switch styles. The cover folds down to block screws and switch access - secure with a padlock (sold separately).

STOPOUT® Blockout Wall Switch, Universal, For Use With: Rocker/Toggle and Flat Paddle Switches, 2 Padlocks Maximum, 5/16 in Padlock Shackle Maximum Dia, Locked Out Do Not Operate Legend, Plastic, Red, 4-1/2 in Height, 1-5/8 in Width, 7/8 in D