Ring Final Testing - Why (r1+r2)/4 is R1+R2.
23:02
Tests for Ring Final Circuits
12:47
How to Calculate Earth Fault Loop Impedance for a Circuit
15:04
Loop Impedance Testing
10:08
Polarity Testing
11:16
How to Calculate Total Earth Fault Loop Impedance - Applying a Temperature Factor to R1 + R2
15:37
RING CIRCUIT CALCULATIONS - TESTING METHODS AND SOME PROBLEMS – THE RIGHT NUMBERS AND THE WRONG ONES
11:26
Ring Circuit Testing
10:00