Medium-Voltage Cables, Part 1

Medium-Voltage Cables, Part 1

You must test medium-voltage cables to see what’s going on.

Every milk carton at the grocery store has an expiration date. The idea is the milk is assumed to be good until that date. That’s not a bad idea, unless you apply the concept to something like medium-voltage cables.

Here’s how the bean counter “thinking” goes:

“The manufacturer says those cables are good for 20 to 30 years, so we can save considerable money by putting them in the insulation resistance testing program when they turn 20 years ol

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