The owners of electrical installations include the landlords, occupiers, tenants, incorporated owners, and property management agents of the building.

Arrange for proper maintenance and repair of communal electrical installations in the buildings (including the main switch and the riser supplying electricity to individual units and communal services such as lifts, pumps, public lighting, etc.), as well as electrical installations in their own premises including residential apartments, shops and offices to prevent accidents.

Ensure that there is no illegal addition to or alteration of electrical installations.

Employ registered electrical contractors to carry out electrical work (including new installation, addition, alteration, inspection, testing and repair). The registered electrical contractors should arrange registered electrical workers of appropriate grades to carry out the work.

Arrange for periodic inspection and testing of electrical installations.

Name lists of registered electrical contractors/workers are available for reference at the Electrical and Mechanical Services Department (EMSD) Customer Service Office, Public Enquiry Service Centre of all District Offices and EMSD web site at http://www.emsd.gov.hk.

Registered electrical contractors would display their registration certificates prominently in their places of business.

Registered electrical workers would carry their registration certificates while doing electrical work.