Rusty - before you go any further, do some more planning after you've read this:dingbat said:you'd know that if you'd done your homework!
http://www.tlc-direct.co.uk/Book/4.3.1.htm
and this:
http://www.tlc-direct.co.uk/Book/5.1.1.htm
and this:
http://www.tlc-direct.co.uk/Book/6.1.1.htm
and this:
http://www.tlc-direct.co.uk/Book/7.13.1.htm
and this:
http://www.tlc-direct.co.uk/Book/7.14.1.htm
Also this: http://www.iee.org/Publish/WireRegs...matters_electrical_installations_outdoors.pdf in case it applies to you.
Buying a copy of the On-Site Guide would also be a good idea.