jonni wrote:

My plan is:

Dig a trench approx 600mm deep from house to workshop

Ok.


Order 25m of armoured cable (not sure which one?)

http://makeashorterlink.com/?H697242D8

This depends on how long the run is, and how much power you need at the
garage. What is the rating of the MCB in your main CU which is going to
feed the workshop? 32A?



Order CU for workshop

http://www.screwfix.com/app/sfd/cat/...17422&id=73324

I have used one of these in my shed. Very nice.

This gives an answer to the question I posed above. You'll need 3 core
4mm cable (14535).


Order 3 of these

http://www.screwfix.com/app/sfd/cat/...17288&id=14687

Again, I've used these, and have no complaints.


Order this for workshop cabling

http://www.screwfix.com/app/sfd/cat/...17329&id=43881

This will be fine for the lights, but not at all suitable for the power
sockets. I would use 4mm T&E in a radia circuit.

Also think about a) how the cable will be protected, and b) how it will
enter/exit the metal socket cases. I'd suggest some 20mm round conduit
(screwfix 12389) and appropriate adaptors (screwfix 11010). Don't forget
clips for clipping it to the walls (screwfix 13093).



Order warning tape for trench

Ok.


Not sure which light fitting to use in a workshop?

Fluorescent is good.

Don't forget a light switch.


Not sure what to protection to use for cable when underground?

None required.


Good luck.

--
Grunff