Two different technologies protect against two different types of hazard. Ground fault circuit interrupter (GFCI) devices protect people from shock by opening a circuit at a low threshold of leakage ...

Article 406 covers the rating, type, and installation of receptacles and attachment plugs. It also covers flanged surface inlets [Sec. 406.1], as shown in Fig. 1. Fig. 1. The rating, type, and ...

Beyond GFCI, modern codes increasingly expect you to install tamper-resistant and arc-fault protected outlets whenever you add new wiring. Guidance for secondary suites explains that All new ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...