@efixx247: Extreme Insulation Resistance Testing 🥵 What does it take to build a cable you can trust? In this video, Special Guest Aaron Walstow from Doncaster Cables gives Joe a behind-the-scenes look at the intense testing their products go through - including being submerged in water for days! It’s quality assurance at the highest level, and it’s seriously impressive. Free Insulation Resistance Training 👉 https://hub.efixx.co.uk/TISIRCPD Check out the TIS MFT Pro 👉 https://hub.efixx.co.uk/TISMFTPRO #electricaltesting #electricalinstallation #electricaltraining

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Saturday 06 September 2025 07:30:00 GMT