OK, thanks a lot and maybe I'll get a copy of the book for some further reading. Pic of the trench attached and I have run the SWA out of the bottom of the summer house and clipped in in place inside, leaving a metre or so spare where it will be joined up to the consumer unit. I'll leave the hutch end so that whoever does the job can decide where they want it to go in.No problem with the help! Hopefully things will improve soon and you can get the job done and a bit more freedome to manage your son.
Most electrical wiring systems are fairly simple in terms of underlying theory, but the Devil is in the Detail to do with safe and reliable operations which is why the wiring regulations are 500+ pages and not just a couple of basic points!
The 'wiring regs' BS7671 are not very readable as well as being a significant price (£95 for current 18th edition), but the IET also do a set of guidance notes to expand on the regs and to include other aspects from other standards such as building and fire regulations, access for the disabled, etc. If you do want a book to get a good overview of how electrical work should be approached in the UK and some of the not-so-obvious points, then the IET "Guidance Note 1: Selection & Erection" is as good a place to start as any.
I see it for sale on Amazon, etc, but I would generally go direct to the IET web store to be sure it was the real one! The IET ship by FedEx (or did last time I used them a month or so ago) so delivery is pretty fast and reliable for your money.
All the best!
OK, so I have one more question! Would it be possible to tee out of the armour with some more armour to run to some lights? I have some tall trees in the garden and it would be nice to uplight them but I don't really trust the solar lights that you can buy, plus then you need to put the solar panel somewhere that will get enough daylight.
I suppose I am imagining some kind of underground junction box, does that exist for this purpose, do you know? If so, what would you run it to, IP rated sockets on the bottom tree trunks or what?
Also, I assume there is load to consider - would I need to work out the load before I start adding stuff willy nilly? I would guess so.
Actually that's much more than one question!
Cheers,
Nick.