3 Wires Into 2 Light Fitting

Easy aint it.

3 wires into 2 light fitting. In my 1960s house i have a normal outside light fitting that uses the old trusty bayonet style globes. The back of the old fitting has four wires running into it as follows. 3 x live wires red 3 x neutral wires black and 3 x earth yellow and green i wired them all into there repective ports 3 live into 1 live port 3 neutral into 1 neutral port etc and it blew the fuse as soon as i turned it on. Light fitting 4 wires into 3.

2 red wires are twisted together and connected to the top hole marked l 1 white wire connects to the right pin hole. Three wire supply cables generally carry red and black hot wires of 110 to 120 volts each with a single white neutral wire. If you have junction box wiring run cable that contains two cores and an earth wire from a three terminal junction box above the rose. From the ceiling i have 4 wires red yellow blue and yellow green the new light has 3 screw fittings with wires to the light being.

Ok the two black wires which are not sleeved should connect to the blue flex wire from light the black wire that is sleeved should be connected to the brown flex wire from light. Discussion in electrics uk started by peterp 23 apr 2005. Wiring and replacing a light fitting guide to fitting lights. My new light fitting has 1 x live terminal 1 x neutral terminal and 1 x earth terminal but i have.

Note a working knowledge of the colouring of uk wires is essential for this task if you require assistance read our guide on this subject here. Any probs get back to the forum. An example of a 3 wire lighting circuit is shown in figure 2. Cheers and good luck be safe jeff.

One example of a 3 wire lighting system. Blue brown and yellow green which 4 go to which 3. I have a 3 wire black white ground power connecting to a switch coming into the box a 4 wire black white red a ground coming from the bathroom ceiling fan into the box i would like to add a 3rd switch for my light above the medicine cabinet how do i connect the power source to the 3rd switch. Connecting a two wire light fixture to a three wire power supply cable is not an ordinary occurrence.

I want to replace it with a new bunker light fitting. This project also includes a light fitting diagram for a ceiling rose. The 3 wire system is less common than the 2 wire system it includes a neutral at the switch as well as the live and switched live wires. Peterp 23 apr 2005 1.

Your 3 black wires are your neutrals 4 earth wires are your c p c s your 3 red wires connected together are your permanent lives and your red and black connected together are your switched lives.