Each house should ideally have at least two lighting circuits. Radial circuits are used for lightingthere is one lighting circuit on each lighting mcblighting circuits are usually on a 6a mcb or 5a fuse though 10a can be used with some extra restrictions now removed in the 17th edition of the wiring regs for large circuitshowever if the area served is large more 5a or 6a circuits would in most cases be preferable.

Lighting Circuits Connections For Interior Electrical
Domestic lighting wiring diagram. This does not include the light switches which should be wired in switch wire which contains 2 red cores. 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. It works as a design blueprint and it shows how the wires are connected and where the outlets should be located as well as the actual connections between the electrical components. Understanding the diagram for home wiring is essential for installing a domestic wiring system. Light wiring diagram if you need to know how to fix or modify a lighting circuit youre in the right place. Cable will be used for lighting.
For simple electrical installations we commonly use this house wiring diagram. What is home wiring diagram. The permanent live wire is wired into the switch and the switched live into the switched live terminal. Using 1mm cable is allowed for up to 95meters of circuit length. Instead of taking the feed wire from the consumer unit to the ceiling rose it is taken to the switch. Each protected by a 5 amp fuse or 6 amp trip in the consumer unit.
A lighting circuit can serve up to 12 x 100w bulbs. Type two lighting circuit. In modern domestic properties in the uk the main electric lighting circuits are separate from the power ring main circuit. This is an alternative way of wiring a lighting circuit. Unfortunately this is usually encounted in stairwells with the line from the downstairs lighting circuit and the neutral connected to the upstairs lighting circuit. The neutrals are connected together using a terminal connector.
It can also be used in domestic properties by using twinearth cable between the switches and 1coreearth from the switches to the ceiling rose. On example shown you can find out the type of a cable used to supply a feed to every particular circuit in a home the type and rating of circuit breakers devices supposed to protect your installation from overload or short current.