Hey, I like the additions! I should've included this one:
For at least 5 years before calling in your electrician, stash every piece of useless junk you can lay your hands on in the attic.
Old Appy, I didn't realize we had a Kiwi in here. If you have the time, how about posting some notes on NZ systems in the non-U.S. area? I know you use the 10A Australian recepts. etc, but an outline of typical circuit arrangements, earthing methods, etc. would be appreciated I'm sure.