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WHAT IS R1+R2. How to change the values, what do they mean.

Have you ever wondered why electricians have this fascination for R1 and R2? What is it? What does it mean? Or perhaps you do know but you just need to understand it a little more and to be able to safely make changes to the resistance values of R1 and R2. If you can get R1 and R2 right then everything else should fall into place. The video asks - what can you do if you arrive at a property to carry out work and the Zs figures are already at a maximum and you need to extend the circuit? It happens a lot, especially if the house was wired to 16th Edition or earlier. The video shows how this can be achieved safely and in accordance with the Wiring Regulations. Lots of answers and lots of solutions will be found in this Tech Tips video. To view all our videos, click on the following link    / @learnelectrics4402