Take appropriate measures (e.g. arranging for proper maintenance and repair) to prevent electrical accidents.
Ensure that their electrical installations are free of any illegal addition or alteration.
Arrange registered electrical contractors to carry out any electrical work (e.g. addition to, alteration of, inspection, testing and repair of an electrical installation), including those in connection with a renovation work. Registered electrical contractors shall arrange registered electrical workers of appropriate grades to carry out different categories of electrical work.
Arrange registered electrical contractors to inspect and test their electrical installations periodically.