Each house should ideally have at least two lighting circuits. L and n indicate the supply.

3 Way Switch Wiring Electrical 101
Uk lighting circuit diagram. Switches are shown as dotted rectangles. The permanent live wire is wired into the switch and the switched live into the switched live terminal. This is an alternative way of wiring a lighting circuit. Two way switching 2 wires. Ultimate handyman 248574 views. Lighting circuits are not usually complex or difficult to understand.
Earth wires are not shown. Each protected by a 5 amp fuse or 6 amp trip in the consumer unit. The most basic circuit with only two wires at the switch. How to correctly solder a vertical copper pipe complete guide. If you need to know how to fix or modify a lighting circuit youre in the right place. The neutrals are connected together using a terminal connector.
We have and extensive collection of common lighting arrangements with detailed lighting circuit diagrams light wiring diagrams and a breakdown of all the components used in lighting circuits. In modern domestic properties in the uk the main electric lighting circuits are separate from the power ring main circuit. Instead of taking the feed wire from the consumer unit to the ceiling rose it is taken to the switch. However the fact that there is a switch included does seem to cause issues particularly when someone has purchased a fancy new light fitting from bq pulled down the old ceiling rose and then finds 9 wires in the ceiling and only 3 connections in the new fitting. Uk domestic lighting circuits loop in at ceiling rose loop in at switch duration. These diagrams show various methods of one two and multiple way switching.
Always isolate any electrical circuit before working on the circuit.