HV / LV relay testing & commissioning
Relay testing for newly built switch rooms, retests for existing infrastructure, compliance and maintenance.
High and Extra High Voltage cable jointing and terminations on all cable types from 6.6 kV up to 220 kV, plus full HV testing and commissioning. Based in Toowoomba, and we will travel anywhere around Australia and the Pacific Islands.
Distribution through to transmission class
From paper-insulated legacy circuits to modern XLPE and fluid-filled pipe-type transmission cables, we make joints and terminations that last the life of the asset.
Protection, primary plant and cable testing for new builds, existing infrastructure, compliance and maintenance programs.
Relay testing for newly built switch rooms, retests for existing infrastructure, compliance and maintenance.
Primary and secondary injection testing of protection schemes and current paths.
All tests associated with CTs.
All tests associated with transformers, plus transformer maintenance.
Underground cable fault location, identification and repair.
Earth testing for substations, switch rooms and HV installations.
The same crew, the same standards, across the rest of your electrical scope.
We design and install off-grid solar systems of various sizes, built to your requirements.
Short of staff? We provide labour hire to mine sites, surface and underground.
All other electrical work undertaken. Ask us about your job.
Every job leaves from our Toowoomba base, and we will travel anywhere around Australia and the Pacific Islands: metro substations, regional solar and wind farms, or remote mine sites.
Learn HV cable jointing from people who do it in the field.
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Last updated 29 October 2026
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Last updated 29 October 2026