How to size cable and protection devices (T&M)

Course Summary

The purpose of this book is to cover the main rules that are used for sizing conductors, wiring systems and their electrical protection (against overloads, voltage drops, short-circuits and indirect contact) according to the parameters of the installation: physical (type of conductor, installation conditions, temperature, length of lines, etc.) and electrical (power, prospective short-circuit, operating currents, etc.). Examples of how they are determined are given for each parameter.

Course Objectives:

After learning this course, you will be able to

Determine Over-currents

Protect against Protection overloads and devices

Check voltage drops

Determine Protection against short-circuits

Examine of short-circuits and calculation

Know about Conductors

Course Outlines:

In this course, you will learn about


Protection against overloads

Checking voltage drops

Protection against short-circuits

Protection against indirect contact

Estimation of short-circuits and calculation



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or $ 30

Course Includes

  • 1 Quiz