Keith Pethebridge has been the author of Electrical Wiring Practice since the first edition. Before retirement, he was Senior Head Teacher in Electrical Trades at the Sydney Technical College, now the Sydney Institute of TAFE. Keith also worked as a consultant for apprentice training nationally.

Ian Neeson is a vocational education and training consultant specialising in electrotechnology. He was involved in the development of the National Competency Standards for Electrotechnology and continues to provide assistance to the National ElectroComms and Energy Utilities Skills Council (EE-Oz Training Standards) in their program of continuous improvement.

Ian also represents the National Skills Council on the Wiring Rules Committee (EL-001) and Hazardous Areas Competency Standards Committee (P–12). He is a member of an IECEx Working Group for Personnel Competencies. For the past few years Ian has been a member of the judging team for the National Electrical and Communications Association (NECA) NSW Excellence Awards