MV/HV Cable Testing and Engineering Services

Drallim’s Technical Support Department
HV Cable Diagnostics

Drallim Industries have been directly involved in the high voltage industry for over 20 years and indirectly since our foundation in 1958. Our qualified cable diagnostics teams can offer testing techniques that are appropriate to your cable types, ages and locations. Our capabilities include, but are not limited to:

  • Simple AC & DC Withstand (Pressure) Testing
  • Monitored Withstand Testing
  • VLF Testing
  • MV/HV Fault Location
  • Sheath Testing
  • Tan δ Testing
  • Partial Discharge (PD) Testing
  • Voltage Proving

Drallim industries are official representatives of High Voltage Inc. and Power Diagnostix Systems; we are specialists in the operation of the full range of cable testing equipment. We carry out our own calibration and are ISO registered and Achilles verified.


Drallim Industries are a multifaceted engineering company with dedicated technicians and engineers that will take on any engineering project however large or small. We have been delivering a first-class professional service for almost 60 years and during this time we have developed relationships with many noted companies, which include:

We have worked with

If you would like more information about our range of high voltage cable diagnostic services ring our friendly sales team on:01424 205 140 or email at This email address is being protected from spambots. You need JavaScript enabled to view it.