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, ...

These designations spell out the number of contacts and how they behave during operation. For instance, a basic on/off light switch is an example of a single-pole (i.e., one-circuit) single-throw (i.e ...