Quote:Sounds a little bit of a bodge to be honest
It also sounds like you didn't use SWA glands

This means that the steel wire isn't earthed!

Is the socket in the shed metal clad?

You don't own any kind of tester

If you want to feed the shed like this
I would suggest you terminate the armoured .......
In fact get a sparky round and for 100quid get it done properly!