What is 'ampacity' 🧑‍🔧

I'd want to talk about "What is 'ampacity'" in this article. Let's take a look at what it is and then respond to some frequent inquiries.

A quick answer is…

Current-carrying capacity in amperes; used as a rating for power cables.

Ampacity is the maximum current (measured in amperes) an insulated conductor can safely carry without exceeding its insulation and jacket temperature limitations.

These are a few popular questions people ask:

Ampacity

What is the definition of ampacity...

The definition of ampacity is given in the National Electrical Code (NEC) as "the current in amperes a conductor can carry continuously under the conditions of use without exceeding its temperature rating." To better understand ampacity we need to examine how heat is transferred and thermal circuits in respect to a current carrying conductor.

What is wire ampacity...

What is Wire Ampacity? Wire ampacity is the maximum electrical current (Amperes or “Amps”) that safely exist in a given size of conductor. Wires are made of 2 basic components: a copper conductor and the wire insulation that surrounds it.

This article ends here. But if you have any questions, please drop them at the comments below.

Note: This is a draft for my new article.