Mayfield Services

Business Profile

We are a South Australian-based company which provides switching, testing, commissioning and maintenance services to owners and operators of High Voltage, Medium Voltage and Low Voltage critical electrical infrastructure. Our team understands the critical nature of electrical assets and can test, maintain, and improve your electrical infrastructure. We operate throughout Australia and have offices in South Australia and Victoria and work for some of Australia's leading renewable, power transmission and utility companies. Our commissioning team can install and test a variety of Low and High Voltage plant and protection systems. All testing is backed up by extensive reports on your equipment.

Products and Services

  • High Voltage switching
  • Testing & Commissioning of protection relays and associated equipment
  • Thermographic survey, Fault Finding and Remedial Works
  • Cable Testing, VLF, PD, TD and Sheath
  • Maintenance, including HV asset replacement, as per industry best practice.
  • AEMO Compliance Testing of protection systems


  • ISO 14001:2015
  • ISO 45001:2018
  • ISO 9001:2015
  • AS 4801:2001

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Contact Details

Head Office
24 Taminga Street
Regency Park SA 5010
ABN  96129846064

Other Locations

Alfredton VIC