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Specialist High Voltage/Extra High Voltage Cable Jointers


All cables types 6.6kV up to 220kV 

PILC, XLPE, HPFF Pipe Type (Fluid Filled), etc..

Jointing (Straight, Transition, Breach, T-Joints, Loop Joints, etc..)

Sealing End terminations, GIS Plug terminations, etc.

Solar/Wind Farm HV/MV/EHV cable terminations

All cable accessories

Have a look at our Technical Services down the page

We also design and install Off Grid Solar Systems of various sizes according to client requirements.


Based in Toowoomba (QLD), but will travel to where ever your project is.


We also provide labour hire to the mines if you require our services to cover for staff shortages (surface/underground)


All other electrical work undertaken


Our Technical Services


HV/LV Relay Testing & Commissioning

Relay testing for newly built switch rooms, retests for existing infrustucture, compliance, maintenance, etc

Primary and Secondary Injection Testing

Primary and Secondary Injection Testing

CT (Current Transformer) Analyses

All tests associated with CTs

Transformer Analyses

All tests associated with transformers, maintenance of transformers

HV Cable Testing and Underground Cable Fault Location, ID and Repair/Earth Testing

5kV and 10kV IR Testing, VLF Testing, Tan Delta Testing, DC Hipot if specified by client. Underground cable fault location, ID, and repair,

Earth Testing

Solar farms/Wind farms HV work


Mining


Heavy Industrial


What our customers are saying



© 2019 James Joel High Voltage Electrical Services​

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