This guide should be read in conjunction with AS/NZS 3000:2007. It highlights the changes between the 2000 and 2007 editions of The Wiring Rules. This guide is a handy reference to not only assist you find the changes that will help keep you compliant and adhere to best practice methodologies it also lists relevant Australian and New Zealand legislation, regulators, electricity service providers, Standards and technical documents.NOTE: GB 300?2008, Guide to the changes to the Wiring Rules is a SAI Global Ltd publication. GB 300 is not an Australian Standard(R) in whole or in part nor has GB 300 been developed by, with, or with the approval or endorsement of Standards Australia Ltd or any committee of Standards Australia Ltd.