Understanding domestic electric lighting circuits (UK) Lighting CableLight SwitchesTwo Wiring MethodsUnlike the ring power circuit, the lighting circuit does not form a loop returning to the consumer unit. The consumer unit is normally connected to the first lamp, which in turn is connected to the second lamp and so on. The cable used is a 1sq mm PVC twin core and earth rated for up to 12 amps. It consists of a red insulated core for live, black insulated core for neutral with a bare earth conductor between them. The three conductors are laiSee more on diydata Everything you need to know about light wiring If you need to know how to fix or modify a lighting circuit, you’re in the right place. 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. House Wiring for Beginners - DIYWiki House Wiring for Beginners gives an overview of a typical basic domestic mains wiring system, then discusses or links to the common options and extras. Further information on options is available in the Rewiring Tips article. Basic Home Wiring Diagrams - Electrical Repairs Electrical A Series of Articles about How to Install Home Electrical Wiring: Your home electrical wiring diagrams should reflect code requirements which help you enjoy lower energy bills when you implement energy efficiency into your the electrical project design.