Jennifer Pattison Tuohy is a smart home reporter who’s been testing connected gadgets since 2013. Previously a contributor to Wirecutter, Wired, Dwell, and US News. Leviton’s entry into the ...

This means you can replace one wired switch with a Diva smart dimmer or Claro smart switch, and the existing mechanical switch (or switches) will continue to work as expected. (There is some extra ...

Two lamps connected in series with an open switch and a cell The circuit diagram shows a circuit with two lamps connected in series. If one lamp breaks, the other lamp will not light. The current ...