Basic snap-action switches have been around in one form or another since the 1930s, when the first precision snap-action switch was developed for temperature control in a chicken brooder. The ...

Switches come in many styles—rocker, toggle, thumbwheel, key, pushbutton to name a few. Yet with the thousands of choices designers have for switches, many times the selection of a switch, its ...

The requirements of Art. 404 apply to switches of all types, including snap (toggle) switches, dimmer switches, fan switches, knife switches, circuit breakers used as switches, and automatic switches, ...