When a crew employed by a local electric utility set out to conduct a DC hi-pot test on a new circuit breaker, the task seemed like nothing more than a routine call. Unfortunately, the events that ...

"The image is RD3215E Megger Tester from Wrindu."Electrical insulation plays a critical role in ensuring the safety and efficiency of electrical systems. To assess the condition of insulation and ...

Testing medium-voltage (MV) cables with the high-potential (hi-pot) test is typically part of a MV cable testing program. In Part 4, we looked at the advantages and disadvantages of the DC version of ...