Lightbars are a professional style of beacon typically used by pilot vehicles for overdimension loads, house removals, emergency vehicles, recovery vehicles, airport follow-me vehicles etc.The same requirements apply as for smaller beacons.
Only certain vehicles are permitted to use beacons—here is an overview of the requirements and recommendations for road vehicles on NZ highways:
Off-highway uses for beacons:
Apart from highway safety, warning beacons can be used:
This information is provided in good faith to give an overview of current NZ legislation. Check the legislation here, NZTA’s requirements here, requirements for on-road use of agricultural vehicles here, COPTTM’s requirements here and here, requirements for overdimension vehicles here, requirements for flash patterns and light output on page 78 here.