High and Low Voltage Services

HV & LV Cable Works

INDSS Ltd has worked on a wide range of private networks, providing high voltage cabling services, including Medium Voltage cable jointing. High Voltage cable jointing, Cable terminations, testing and fault location.

Our cable jointing team is fully qualified and experienced in many different types of HV cable jointing services across a variety of market sectors and industries, working with voltages up to 33Kv.

We also install cable terminations and carry out cable testing, fault location and repairs. We have recently expanded into the renewable energy sector and our capability now includes the MV jointing for wind turbines to offshore/onshore substations.

Our personnel are fully trained to current safety regulations and receive manufacturer product training on a vast range of HV cables and their components. They are accredited to work with Raychem, Tyco, Pfisterer and 3M systems, amongst others.

Our professional and experienced HV Cable Jointers are fully qualified and authorised to undertake HV cable terminations and installations to fulfil project requirements on new builds and upgrades. We work with our customers to meet deadlines and have experience in installing various sizes and type of both HV Cables and LV Cables. Our aim is to execute works proficiently, safely, on time and within budget, to your complete satisfaction.

Our jointers use heat shrink or cold applied technology where possible, with following combination of cable joints or termination:

  • Straight through joints
  • Breach joints
  • Transition joints
  • Trouser or loop joints
  • Trifurcation joints
  • Trifurcating transition joints
  • Dissimilar sized combination joints
  • Straight forward heat or cold applied terminations.

The types of testing we undertake when commissioning new cable installations are all carried out to the relevant BS standards and recognised industry standards.

Our specialist test equipment used to test the new installation is calibrated to BS EN ISO 10012: 2003 on an annual basis. Copies of all calibration test certificates are available at all times.
During the testing, various test sheets are completed and copies are issued to our customers. Examples of the testing undertaken during commissioning includes:

  • Insulation Resistance Tests
  • DC Pressure Testing
  • VLF Testing
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Cable Fault Location

We can attend site to investigate suspected cable faults. Fault finding on switchgear will be carried out to eliminate any faults before progressing to testing of the cable.
Our cable fault services include, but are not limited to:

  • Issue of permits required to work/fault find
  • Identification of cable
  • Location of fault within the cable
  • Jointing of cable to facilitate repair
  • Test and commissioning of the cable back into service
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