With that said this electrical tutorial presents a guide to identifying the switched live wire on a lighting circuit and also explains how to rewire a ceiling rose. Easy way is meter or buzzer across the cables with power all off and flick light switch until switch wire is found but often the diy man has no meter or buzzer so next method.
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Live feed to light switch. Instead of taking the feed wire from the consumer unit to the ceiling rose it is taken to the switch. Neutral of feed inout into connector phase of feed in out into common but here on in im getting lost. To be completely honest no im used to feeding pendant not the switch turned up on a job today and has been entirely wired at the switch. Here is a solution posted for one of our users who had run the power feed to one of the switch boxes and had no radial circuit to pick up a neutral at the lamp holder. Took an old light fitting down on a loop in system. Before you start safety first.
There are the usual three cables and l redn blacke copper for all three. One of the three blacks is the live feed from the switch but it was not noted when the fitting was removed. Do not use energy saving bulbs as we need to be able to see bulbs working on half power use normal bulbs only. Source 1 comes in at the light fixture and a 3 wire cable is run from there to the switch half on the device. Before undertaking any electrical project it is imperative that you know precisely what it is youre doing and to keep in mind that electricity can kill. The hot from the source is spliced to the black wire running to the combo and to the input side of the switch.
The switched live out to the light will go on l1 on the switch. The switch controls a light and the receptacle half of the combo device is always hot. The earths will go on the earth terminal on the back box or on the earth terminal on the switch if its a metal one. These are the feed the switch the next lamp. Old lighting circuit cable colours unharmonised new lighting circuit cable colours harmonised twin and earth cable current ratings. The white neutral from the source is connected directly to the light fixture.
Switched live is only live when the switch is on this is where it gets its name from. The permanent live wire is wired into the switch and the switched live into the switched live terminal. For detailed step by step instructions on completing this home project take a look. Lighting circuit cables. The blue wire is known as the switched live and takes power to the light. The neutrals are connected together using a terminal connector.
The red wire from the light is connected to the output on the switch and to the hot terminal on the light at. Have got no problem with one way switching as this is a piecee of proverbial however with the 2 way switching ive got feed inout switch wire and 3 core. The brown wire is live also know as permanent live this brings the live supply to the switch. Gangs and their ways explained. The live feed in goes direct onto com on the switch.
Gallery of Live Feed To Light Switch
