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Month: October 2022

VIDEO 167 – PAT TESTING – A LITTLE HELP WITH FAULT MESSAGES – WHAT THEY MEAN – INSPECTION AND TESTING

Posted on October 24, 2022

To view this video, PAT TESTING – A LITTLE HELP, click on the link below https://www.youtube.com/watch?v=NslxwnfZQfI In this video from Learn Electrics, we will explain some of the fault messages that a PAT test meter might display when conducting an Inspection and Test on Electrical Equipment. This came about because we had a recent request…

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VIDEO 166 – TESTING ZE – TNCS – TNS – TT – WHAT ARE THE DIFFERENCES BETWEEN THE EARTHING SYSTEMS?

Posted on October 23, 2022

To view this video, TESTING ZE, click on the link below https://www.youtube.com/watch?v=qAah0Uqx9oI In this video from Learn Electrics, we will look at the differences between the common earthing systems, the things that you need to know when testing Ze. Although the testing of Ze is similar in each case, as we have shown in previous…

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VIDEO 165 – RING CIRCUIT SPURS – FINDING THE SPUR – CALCULATIONS AND TESTING – HOW TO SET UP THE TEST

Posted on October 22, 2022

To view this video, RING CIRCUIT SPURS, click on the link below https://www.youtube.com/watch?v=V0_6_WmkmsY Testing ring circuits is easy and many electricians are more than proficient at testing them. For some though, the difficulty comes with understanding where the numbers come from. Why the test results are what they are, how do we detect a spur,…

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VIDEO 164 – PUTTING TWO LAMPS IN SERIES – WHAT WILL HAPPEN – WILL IT WORK?

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To view this video, PUTTING TWO LAMPS IN SERIES, click on the link below https://www.youtube.com/watch?v=Lrd7jwksqb4 We are sometimes asked what would happen if we wire a circuit so that we have two lamps in series And … how would you know that the lamps are in series, what are the tell-tale signs, what would you…

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  • VIDEO 187 – OHMS LAW FOR TECHNICAL EXAMS – PART 2 – SERIES PARALLEL CIRCUITS – WITH WORKED EXAMPLES & PRACTICE QUESTIONS
  • VIDEO 186 – OVERCURRENT DIFFERENCES – OVERLOAD – SHORT CIRCUIT – EARTH FAULT – WHAT ARE THEY AND HOW DO THEY WORK?
  • VIDEO 185 – SPD – SURGE PROTECTIVE DEVICES – WHAT ARE THEY – PROTECTIVE DEVICES PART 3 – HOW THEY WORK – WHAT THEY DO

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