To view this video, EARTHING A SHED OR OUTBUILDING, click on the link below https://www.youtube.com/watch?v=UgDhYDArgdA With more people working from home now, here at LearnElectrics, we have been asked many times about converting a shed into a work space or work cave as some call it. The electrical supply to such a work space,…
VIDEO 123 – LOAD CALCULATIONS FOR LIGHTING TRANSFORMERS – HOW MANY AMPS IS THAT?
To view this video, LOAD CALCULATIONS FOR LIGHTING TRANSFORMERS, click on the link below https://www.youtube.com/watch?v=pqRrS-iUO-I We are sometimes asked about calculating the load requirements for lighting circuits that have extra low voltage transformers installed, and 12 volt down lighters being an example. A typical question for LearnElectrics might go like this … We have six…
VIDEO 122 – WIRING A GARAGE CONSUMER UNIT – HOW TO – A SIMPLE STEP BY STEP GUIDE
To view this video, WIRING A GARAGE CONSUMER UNIT, click on the link below https://www.youtube.com/watch?v=YIlTbuChRSY At LearnElectrics we are sometimes asked about the wiring connections inside a garage consumer unit or mini consumer unit as they are sometimes called. In this video we will look at just how this is done and provide the information…
VIDEO 121 – TESTING BONDING and EARTH CABLES – WANDER LEADS and CALCULATIONS
To view this video, TESTING BONDING and EARTH CABLES – WANDER LEADS and CALCULATIONS, click on the link below https://www.youtube.com/watch?v=wYsYBE-MXzQ We’ve been asked several times recently about wander lead tests and how to test bonding cables properly. This is such an important process to understand and done properly will be one step in the process…
VIDEO 119 – 18th EDITION EXAM QUESTIONS HELP 5 – Zs FINAL and DISTRIBUTION CIRCUITS
We continue our series of help and tips videos on how to answer the questions in the 18th Edition Wiring Regulations Exam and this video is Session Number 5. Every 18th Edition exam will always have several questions on Zs and you must know how to select the correct tables to answer the question and…
VIDEO 118 – MCB – CIRCUIT BREAKER SELECTION – TYPES B, C, D and TYPES 1, 2, 3, 4
To view this video, MCB – CIRCUIT BREAKER SELECTION, click on the link below https://www.youtube.com/watch?v=QfVi25LQcI4 In this video we will look at the Type designations of Miniature Circuit Breakers and find out how circuit characteristics affect the type selection process. We should not simply install a different MCB type just because it might solve a…
VIDEO 117 – 2391 ASSESSMENT PRACTICE – 2 – MORE ESSENTIAL CALCULATIONS AND CIRCUIT QUESTIONS
To view this video, 2391 ASSESSMENT PRACTICE – 2, click on the link below https://www.youtube.com/watch?v=FIYPvQk55NA In this video we look at more typical assessment questions such as you might expect for the 2391 assessments amongst others. There are a number of electrical qualifications that all follow a similar prospectus and as you would expect, the…
VIDEO 116 – MCB – CIRCUIT BREAKER – HOW DOES IT WORK
To view this video, MCB – CIRCUIT BREAKER – HOW DOES IT WORK, click on the link below https://www.youtube.com/watch?v=pBdMa9o6XJk In this video we will look at the popular Miniature Circuit Breakers and find out how they work. Using very simple drawings we will discover the two modes of operation and look at how to interpret…
VIDEO 115 – 18th EDITION EXAM QUESTIONS – HELP & TIPS – 4 – CALCULATIONS
To view this video, 18th EDITION EXAM QUESTIONS – HELP & TIPS – 4 – CALCULATIONS, click on the link below https://www.youtube.com/watch?v=v5S658sj1is Continuing our series of help and tips videos on how to answer the questions in the 18th Edition Wiring Regulations Exam, this video is Session number 4. There will always be questions that…
VIDEO 114 – RCD – RCCB and RCBO Differences Explained
To view this video, RCD – RCCB and RCBO Differences Explained, click on the link below https://www.youtube.com/watch?v=Z1gwO-FsuNY In this video we look at a common misunderstanding and also discuss the main differences between these protective devices. Explained in simple terms with plenty of diagrams and pictures this video will be found useful and informative by…