DIY of fixed mains wiring
Sometimes people ask on NZLUG about doing
some mains wiring themselves, e.g. to add some extra power points. I was in the
same position and looked into the issue more thoroughly. The following is the
result, which I believe to be correct, but I do not accept any liability. It is
not the "full story" and is only meant to give some direction.
|© Volker Kuhlmann, 17 Aug 2003
Please note: This information is as of early 2002. There have been
changes since. You'll have to read the paperworks anyway.
In effect, the electrician is asked to sign for someone else's work as their
own. I found most are not prepared to do this. It is a good idea to find an
electrician and to discuss plans before going shopping for materials.
Fixed wiring (the wiring leading up to a wall socket, light, etc) may be
done by lay people on conditions that:
- they own the house
- they occupy it. (Landlords can't do wiring on their tenants'
- No work to be done in or before the switchboard under any
Simple reason: it's in the circuit before the fuses in the house (which are
16-32A max). The pole fuse up the road is much stronger, and any shorts will
blacken the whole road and blow up not just a screwdriver.
- All work to be carried out in compliance with the relevant regulations
and codes of practice.
These can be downloaded from here: codes of pratice, acts and regulations.
- A certificate from a registered electrician stating that the work has
been carried out suitably must be obtained.
- Any added wiring to be connected to the live part only by a registered
electrician. If the electrician is satisfied that the work is up to standard,
(s)he will connect the new wiring to the live wiring and issue the
- Changing light bulbs, or replacing a broken wall socket, does not fall
under the requirements of DIY fixed wiring.