Meets all UL 20 requirements. Longer, wider strap provides 40 percent more contact area to wall board. Virtually eliminates floating installations. Industrial design cam action mechanism insures quiet switch action. Built-in wire stripper for number 14 wire. Built-in wire looper for pre-looping. Double riveted switch. Three way switches feature additional push-in common termination for feed-through tapping. Push-in terminals accept number 14 solid wire only. Side wire terminals accept up to number 10 solid or stranded wire. Combination slot/Phillips head mounting and terminal screws.