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Segregation of telecommunications and electrical cabling

Electrical contractors, electrical workers and metering providers involved in the roll out of smart meters must ensure that antenna/communication wiring systems are suitably segregated from electrical wiring in accordance with the Wiring Rules.

Wiring systems must be selected and installed in a way to avoid any detrimental effects arising between:

  • electrical installations and telecommunication/data cable installations
  • different electrical installations
  • different parts of the same electrical installation
  • circuits operating at different voltages
  • circuits supplying different safety services
  • safety services and the remainder of the electrical installation
  • electrical installations and non-electrical installations, such as gas and water supply.

Recently, a coaxial cable was found inside a domestic electrical switchboard without suitable segregation from low voltage electrical cabling (pictured below). This presented an electrical safety risk if there was a breakdown in cable insulation. The issue was rectified following ESO enforcement action.

Coaxial cable within electrical installation

ESO continues to conduct audits throughout Queensland which include a focus on the installation of smart meters in residential switchboards.

Further information

Find more information,