In the 120V circuits of homes and offices, the grounded conductor is the same as the neutral. Typically, when wiring a switch for a 120V load (e.g., a light) only one wire comes to the switch and only ...

Note: This article references the 2017 NEC because the Philadelphia area — the jurisdiction where this author teaches and works— is still operating under that version of the Code. Electrical switches ...

Some engineers, as well as many non-engineers, might be unaware that electrical switches benefit from being lubricated. In fact, for many electrical switches, lubrication is required if they are going ...

Managing the complex systems of the modern home can become pretty tricky. While mowing the lawn and hanging pictures on the wall are relatively straightforward tasks, plenty of additional ...