Before we could turn on our overhead lights with the simple flick of a switch, we had push buttons. In 1884, electrical engineer John Henry Holmes created the push button light as an easy way for ...

SPST switches can also work as "push-to-make" on, where when the button is released it returns to its normally ... that requires a key to operate the switching functions. Pilot light are used to ...

[Pete Mills] was browsing around online when he came across an arcade button light switch and immediately wanted one. He didn’t however want to pay the $35 asking price for the switch ...