Energy and controls · 28 September 2025
LED retrofit for Australian commercial buildings
How to replace T8, T5 and halogen stock in a real Australian commercial building without breaking emergency lighting, asbestos ceilings or the control strategy.
Electrical contractor and specifier
Marcus Hale
Melbourne, Victoria
Marcus runs commercial fit-outs and retrofits from high-bays to DALI buses. He writes the essays that start with a switchboard and end with a logbook.
Standards and compliance · 25 September 2025
AS/NZS 2293 emergency lighting testing and logbooks
How Australian buildings should test emergency lighting under AS/NZS 2293, keep a logbook that would survive an audit, and treat monitored systems as tools rather than a substitute for competence.
Design and specification · 18 September 2025
How to write a commercial lighting specification
A structure for Australian commercial lighting specifications — scope, performance, substitution rules and hold points — that still works after value management.
Energy and controls · 21 August 2025
DALI lighting controls and BMS integration
DALI-2, gateways and the commissioning steps that turn a lighting bus into something a BMS can actually use in an Australian commercial building.
Retail and hospitality lighting · 11 June 2025
Automotive and showroom lighting design
How to light car paint, glass and ceiling grids in Australian dealerships without glare, and how to run a honest after-hours security scene.
Energy and controls · 28 May 2025
Lighting audits, maintenance and relamping
How to audit an Australian commercial lighting stock, group what you find, buy spares that will still exist, and clean fittings so the maintenance factor is not a fiction.
Industrial and warehouse lighting · 20 May 2025
Industrial emergency and exit lighting under AS/NZS 2293
How emergency lighting behaves in dusty, cold, generator-backed industrial sites, and what the 2293 logbook is for.
Read Industrial emergency and exit lighting under AS/NZS 2293