Before you attempt to fix a faulty light switch, make sure you understand the basics of light switch wiring.

Learn how to install 3-Way Smart Wifi light switches with this step-by-step video. Consult a certified electrician if you have any questions or concerns, as every wiring setup is unique. This video ...

Rik is Pocket-lint's senior news editor and has been a tech and games journalist since the 80s. He has seen and covered just about every console, mobile phone, gadget and home cinema device launched ...