Ars is a place on the Internet where people have opinions (I know, I repeat myself). For some reason I was wondering why decora switches were invented and while looking at that I found many people who ...

Toggle switches are triggered by a device in one of two or more positions. Household light switch wiring is an example of a toggle switch. The toggle switch is usually a two position switch. The ...

Most smart switches require a neutral (white) wire to maintain a Wi-Fi connection, but if your home was built before 1985 (or thereabouts), this might not be an option. If you fall into the latter ...