Electrical installation by guesswork is at best foolhardy, at worst lethally dangerous.looking at that I would guess both those blue wires are for your light
Checking with a meter (which is an essential tool that anybody wanting to do electrical work must have) would take hardly any time.I suggest checking with a multimeter or something first just to be sure you find the live that is only on when the switch is on
We've just redecorated our kitchen and we unfortunately took the ceiling light off without making a note of where the wiring connects into the ceiling rose.
Because "o" so many people do not possess your superior knowledge and intelligence.
That's why they come on forums like this, so they can be publicly humiliated by superior beings like you.
But then, as usual, you didn't post anything to help the OP, but just to demonstrate your ability to poke at anything.
The fact of the matter is that the OP did not make a note of the connections before he disconnected the wires.
How is that dangerous?
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local