Hands down — without a doubt, one of the most universally searched topics on EC&M’s website from a historical perspective is “insulation resistance testing.” As a result, some of our most popular ...

Acceptance test reports can tell you the condition of your cables when they were installed, but they tell you nothing about the present condition. Startup alone can radically change the data ...

How to test a transformer is a crucial step in ensuring reliability, safety, and compliance with electrical standards. Whether in the field or at the shop, routine checks help identify faults, extend ...