Issue joining wire

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I have 4 cables

Call it

Left 1 (ie L1)
Left 2
Right 1 (ie R1
Right 2

L1 cable needs to join R1 cable
L2 cable needs to join R2 cable

To join the cables I am using Quickwire splitter

To join do I simply place L1 cable in the top left side of the splitter and R1 cable in the top right hand side of the splitter.

Then to join the remaining cables, do I simply place L2 cable in the bottom left side of the splitter and R2 cable in the bottom right hand side of the splitter.
 
The quickwire "splitter" used as you describe will join all four cables together.

If you want to connect the cable parts individually without connecting them to each other you will need two quickwire "splitters".
 
The quickwire "splitter" used as you describe will join all four cables together.

If you want to connect the cable parts individually without connecting them to each other you will need two quickwire "splitters".
Are you looking at a different product to me? Surely ONE of these https://www.quickwire.co.uk/product/quickwire-splitter-junction-box/ will join the two wires together as required?

My concerns would be that the earth connection is also made, if present, that Line and Neutral are not crossed if they are present in the cable being joined and that the cable is a suitable size for the junction box.

I think we need a bit more detail about the cables being joined.
 
The OP said 4 cables and it reads as though they want to connect 2 pairs of cables independently so I'm with @plugwash
@pcaouolte : You are maybe calling cables wires, or perhaps the OP is calling wires cables. I'm also with you in that I think a bit more detail is needed.
 
It'd probably be cheaper and less confusing to use as many Wago/Ideal connectors as you need

Pay attention to the accessibility/serviceability requirements of any junctioning method you use
 
Are these mains cables on a household lighting circuit?

What colours are the wires?
Yes, this is from a lighting circuit.

The wire go to the switch which gave power and neutral at the switch.

The quickwire "splitter" used as you describe will join all four cables together.

If you want to connect the cable parts individually without connecting them to each other you will need two quickwire "splitters".
Thank you.

I think I see where I've gone wrong now.

I need 2 splitters.

Because at the moment, I have connected

All of the brown COM with what would be the brown L1


The OP said 4 cables and it reads as though they want to connect 2 pairs of cables independently so I'm with @plugwash
@pcaouolte : You are maybe calling cables wires, or perhaps the OP is calling wires cables. I'm also with you in that I think a bit more detail is needed.
Is there a difference between cable and wire?

I was under the impression the terms were used interchangeably when referring to domestics electrics.

It'd probably be cheaper and less confusing to use as many Wago/Ideal connectors as you need

Pay attention to the accessibility/serviceability requirements of any junctioning method you use
You're right. I normally use wago 221's + wago box

But in this instance I needed a mantainance free junction box that has depth less than 30mm and the quick wire splitter was best option we came up with
 
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When you say 4 cables, what's a "cable" to you? Is your "cable" brown/blue with one copper strand inside, or is it grey with more than one copper strand inside?
 
When you say 4 cables, what's a "cable" to you? Is your "cable" brown/blue with one copper strand inside, or is it grey with more than one copper strand inside?
Sorry I should have been more clear in my initial post.

By cable I mean 2 core and earth, 1.5mm

The cables blue, brown and earth.

Theses cables are wired into my lighting switch

The switch has a neutral
 
I think these (or a junction block, even) would be cheaper and more obvious:


The 3 way ones are more useful, if you're buying a bulk of them and have other wiring to do; can get a hundred for 13 quid from tool station

Just bear in mind the amps ratings of some of these kinds of connectors, and check it's adequate for the work
 

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