Skip to content
Menu
Learn Electrics
  • ABOUT US
  • PRIVACY POLICY
Learn Electrics

VIDEO 061 – Zs and the 80% RULE

Posted on October 17, 2021

To view this video, Zs and the 80% RULE, click on the link below

https://www.youtube.com/watch?v=ihD-NO-7G5Y

To view all our videos, click on the following link

https://www.youtube.com/channel/UCYaJQnpO4XAp0yCgqzMkmfA

Every electrical installation should be inspected and tested before being put into service.

When it comes to testing the circuits there are so many tables of numbers and options in various electrical books.

Which table to look at, when to use certain numbers, all this can be very confusing.

What is Zs and Zs(m) and what if any is the difference.

Where does the data come from, can someone explain where it all starts and how it all becomes the numbers that we are testing on-site.

This video will show you in easy to follow steps how we get from the raw data, in fact, where to find the raw data for yourself, and how to follow the steps through to the actual numbers that you test against with your meter.

Easily learnt and easily remembered it is an essential skill for all electricians..

To view this video, Zs and the 80% RULE, click on the link below

https://www.youtube.com/watch?v=ihD-NO-7G5Y

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recent Posts

  • VIDEO 137 – CONDITION CODES – EICR – WHAT THEY MEAN – HOW TO DETERMINE THE CORRECT CODE
  • VIDEO 136 – AMENDMENT 2 – 18th EDITION – RCD TESTING – CHANGES
  • VIDEO 135 – AMENDMENT 2 – 18th EDITION – INSULATION RESISTANCE TESTING – CHANGES
  • VIDEO 134 – AMENDMENT 2 – 18th EDITION – AM2 – MY EXAM – MUST I UPDATE
  • VIDEO 133 – AMENDMENT 2 – 18th EDITION – AFDD – ARC FAULT DETECTION DEVICES

Recent Comments

    Archives

    • May 2022
    • April 2022
    • March 2022
    • February 2022
    • January 2022
    • December 2021
    • November 2021
    • October 2021
    • September 2021
    • June 2021
    • March 2021
    • February 2021
    • January 2021

    Categories

    • Uncategorized
    ©2022 Learn Electrics | WordPress Theme: EcoCoded