Lighting circuit with downlights and sconce

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8 Sep 2020
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Ireland
Hi,

I have a circuit in my kitchen with 2 spots and a wall sconce.

On the other side of the room I have another circuit with two more spots and I want to add these to the first circuit.

The second circuit just had a twin and earth from the light switch to the spots, in and out of 1st JB, in only to 2nd JB.

The first circuit is confusing me though.
I am trying to figure out which direction it's wired from as I only have access to a small area above the ceiling.

The spot on the left has a t+e in and out of it's JB, the spot in the middle has 3 t+e connected and the last fixture is the wall sconce which I can't see behind.

Why would the middle spot have 3 cables to its JB ?

Is there anything I can infer from the wiring based on the no. of cables to the JB ?

Thanks
 
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