The voltage that is lost in electrical cables is a product of the size of the cable, the current load and the length of the circuit.
Many electricians can calculate the voltage drop in radial circuits, but what about ring circuits.
Ring circuits are still very popular and not just in the UK.
How then, can we calculate the actual voltage drop for a Ring Final Socket Circuit to check that this is within the recommended maximum limit.
And what if we are designing a ring circuit, what size cable should we use and what is the maximum length that we can allow for our circuit.
There is a huge difference in permitted length in our favour, if we make the correct decisions and use the correct formula to make the calculations.
This is an easy to use formula and the method is very easy to understand but not so well known.
Knowing how to calculate the maximum length and actual voltage drop of a ring circuit will certainly be a bonus in your electrical career.
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