SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
One-way light switch. Wiring of a one-way light switch. This type of switch controls a light from a single location only. The live wire is brown and the neutral wire is blue. The neutral wire carries electricity away from the switch. Therefore, as it can be live, it has a brown sleeve over it. The earth wire is green and yellow.
Model release not required. Property release not required.