Electrical work in New Zealand is regulated and electricians must be registered and licensed and provide certification for their work. Here's a summary of the certificates that cover your electrical work.
Converting your lights from recess halogens to LED's?
It doesn’t seem so long ago that halogen recess lights were the latest and greatest in home lighting.
That was in the early 2000s and the development of energy saving LEDs in recent years means many homes are converting to LEDs.