Part P
Part P is a building regulation, this is a very brief* over view.
Part p came into force in January 2005
You can not
install any fixed wiring in a garden without notifying your local building
control office prior to commencing the work they will then check it and
issue a certificate.
You can also have the work carried
out by a part P certified electrician
* part p also
covers a variety of other "special areas", but as this is a water
gardening site, it does not concern us, if in doubt please consult your
BCO
see here
83 301006