eckcop

Whilst not connected to the mains, can you plug in the plug that goes into the (reassembled) socket you are asking about, withdraw it...

Caveat; I am not a sparky, if the new box is in a public place and not a meter box, shouldn't there be a warning sign on it?

Thanks for the warning. The garage has its own consumer unit (which can itself be isolated from the house). As the wiring for the...

Thanks for the replies. Knowing what it is now I can remove it. The outside lights it connects to don't work and this has been the case...

Does anyone know what this thing is? About 8ft off the ground, looking out over a field. Seems to be connected to the mains.