How to calculate voltage drop and cable selection a brief explanation 

Very very useful information thanks a lot ❤

Nice video keep

Very nice subject but not clear your charts please explain with clear charts

Sir what is the formula for finding sin pi .

Sir branch circuit calculations pathii solluga sir,, lighting , AC, lathe machines , ithukulam epdii main breaker, sub breakers lamm select pannrathuu.

Very good subject for elections but charts ,sound is not clear please correct

Please explain with clear charts Totally can't see properly