Where can high-voltage cables and insulators be tested?

High-voltage (HV) cables and insulators must be tested in specialized laboratories to ensure reliability, safety, and long-term durability. KEMA Labs operates state-of-the-art facilities for testing electrical equipment used in power transmission and distribution, performing tests fully compliant with IEC and other (inter)national standards. KEMA Labs has dedicated test fields for Type and Prequalification tests of AC and DC cables in accordance with IEC, Cigré, and other (inter)national standards. For insulators, KEMA Labs has special test bays for type testing, environmental, salt, and humidity tests for full-scale glass porcelain and long-rod composite insulators. 

What tests are carried out on HV cables and insulators?

Tests on HV cables and insulators include dielectric withstand, RIV, partial discharge, thermal resistance, aging, and performance under extreme environmental conditions. Thanks to KEMA Labs’ technical expertise, each test is conducted in accordance with international protocols and supervised by industry specialists. These activities validate materials and ensure that component performance remains consistent even after prolonged operation.

Why choose KEMA Labs for HV cable and insulator testing?

KEMA Labs is a global reference point for the certification and validation of high-voltage components. Its laboratories are capable of testing equipment up to millions of volts, reproducing real operating conditions found in power networks. Decades of experience and international accreditation ensure reliable and universally accepted results — essential for manufacturers and utilities that demand the highest quality standards. Further information about testing services can be found in the Testing and Certification section.

How to request HV cable and insulator testing from KEMA Labs?

To schedule a testing campaign, you can contact KEMA Labs directly via the online form or the technical team. Experts guide clients through every phase — from defining test specifications to preparing samples and assessing results. All tests are performed in compliance with international regulations and the highest safety standards. For more information, visit the contacts section.