Zs - TABULATED or MEASURED. An easy method to calculate the Zs values without the books.
15:25
ZS – LOOP IMPEDANCE – WHY SO MANY NUMBERS – HOW TO CALCULATE THE CORRECT ZS – WHAT THE NUMBERS MEAN
15:30
VALIDATE TEST RESULTS FOR RING CIRCUITS – R1+R2 – Zs – AM1 AND AM2 ASSESSMENTS – TEST AND INSPECTION
19:43
Cable calculation. Calculating the live cable size only using the On Site Guide.
14:48
Zs and the 80% RULE. What is it and understanding the differences between Tabulated and Measured
19:09
Fault finding on a Ring Final Circuit using R1+R2 & R1+RN, the only way to prove polarity AM2 AM2S
18:59
2391 - RING CIRCUIT TESTING – RESISTANCE – R1+R2
14:34
TT SYSTEMS – RCDs Ze and Zs. How to make TT systems safe.
18:02