To view this video, BROKEN NEUTRAL HOW TO FIND IT, click on the link below https://www.youtube.com/watch?v=getdVtBfgvA What happens when we have a break in the neutral conductor? This LearnElectrics video came about because of several posts on social media about testing electrical circuits that have a fault. In this video we will look at a…
VIDEO 204 – RING CIRCUIT FAULT FINDING – FINDING BREAKS IN THE CABLE – TESTING METHODS – HOW TO TEST THE CIRCUIT
To view this video, RING CIRCUIT FAULT FINDING, click on the link below https://www.youtube.com/watch?v=FtMUuj8GaZQ In this LearnElectrics video we look at ways of finding breaks or damaged wiring in a ring circuit. The methods you might employ if a periodic inspection of a premises has identified problems with the circuit. If you’re new to the…
VIDEO 203 – SPURS AND ZS ON RING CIRCUITS – CAN I SPUR – HOW MANY SPURS – DOES ZS CHANGE – FUSED & UNFUSED SPURS
To view this video, SPURS AND ZS ON RING CIRCUITS, click on the link below https://www.youtube.com/watch?v=fj9cc1U9Re0 This LearnElectrics video is about spurs on ring circuits. It’s a short video about a simple approach to understanding this important aspect of our work, as electricians, and also looks at how Zs might change for certain spurs. There…
VIDEO 202 – PULL THE MAIN FUSE – CAN WE, OR CAN’T WE? – FINDING THE MPAN NUMBER – HOW TO STAY SAFE AND LEGAL
To view this video, PULL THE MAIN FUSE, click on the link below https://www.youtube.com/watch?v=8aaPy0Cpzgs In this video we will take a quick look at the ins and outs of removing the main fuse in order to carry out electrical work and what to do if you identify problems at the intake position. Some of the…
VIDEO 201 – FINAL CIRCUITS AND THE ON-SITE GUIDE – CABLE LENGTH ADJUSTMENTS FOR VOLTAGE – HOW TO USE THE FORMULA
To view this video, FINAL CIRCUITS AND THE ON-SITE GUIDE , click on the link below https://www.youtube.com/watch?v=boPCD76vguc This LearnElectrics video looks at the Final Circuits section of the On-Site Guide and in particular at the easy formula that can be used to adjust the cable length tables for different supply voltages. Recently we’ve been asked…
VIDEO 200 – 18th EDITION CHANGES – BS7671 – AMENDMENT 2 – CORRIGENDUM MAY 2023 – HOW TO GET YOUR FREE DOWNLOAD
To view this video, 18th EDITION CHANGES CORRIGENDUM MAY 2023, click on the link below https://www.youtube.com/watch?v=YBKMv1fOZAQ There have been some changes to the Wiring Regulations and a corrigendum has been released. The changes are not severe, nothing like Zs changes or learning new condition codes, and these changes will be easily incorporated into our working…
VIDEO 199 – TWO WIRE – TWO WAY LIGHTING – INTERMEDIATE LIGHTING – 3 WAY AND 4 WAY – SWITCH POSITIONS AND MORE
To view this video, TWO WIRE – TWO WAY LIGHTING, click on the link below https://www.youtube.com/watch?v=vqH6Y99Dlos There are several methods for wiring up lighting circuits and for many years the wiring styles were not formalised. The result of this is that we may come across many different wiring methods in our work. Understanding how these…
P207 – ELECTRICAL FORMULAS YOU NEED TO KNOW – PRINTABLE PDF
This PDF accompanies VIDEO 207 – Electrical Formulas you need to know. The video will show you how to transpose or re-arrange some essential electrical formulas. The worked examples cover the types of questions you will be asked in electrical exams and, of course, are essential formulas to use on-site. The video can be…
VIDEO 198 – Y PLAN HEATING – WIRING DIAGRAMS – HOW IT WORKS – EASY TO FOLLOW STEPS TO UNDERSTAND Y PLAN SYSTEM
To view this video, Y-PLAN HEATING, click on the link below https://www.youtube.com/watch?v=MPVG5v9s2UI In this LearnElectrics video we will look at the wiring method of the Y Plan central heating system. This follows on from a previous video that looked at the wiring methods adopted for the S plan system. As you will see in the…
VIDEO 197 – 3 WIRE 2 WAY LIGHTING CIRCUITS – WHY YOU WILL STILL COME ACROSS THEM TODAY AND HOW THEY WORK
To view this video, 3-WIRE 2-WAY LIGHTING, click on the link below https://www.youtube.com/watch?v=YU70PDmnpw0 There are several methods for wiring up lighting circuits and for many years the wiring styles were not formalised, with the result that we may come across many different methods in our work. In this LearnElectrics video we will look at a…