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A lot of these mock exam questions are not specific about armoured or non armoured multicore cables, flat twin or not etc, the correct table to use can be a bit of trial and error until you get the correct answer for Volt drop for example.
 
Volt drop for 70°C cable is the same for the same csa and 90°C cables all have the same volt drop for a given csa, type of cable and installation method does not make a difference.
Only CCC is affected by the cable type and installation method.
 
Volt drop for 70°C cable is the same for the same csa and 90°C cables all have the same volt drop for a given csa, type of cable and installation method does not make a difference.
Only CCC is affected by the cable type and installation method.
shirley, though, with the heavier cables, the volts will drop more due to gravity????? :):):).
 
my bad. must be the electrons that suffer from gravity drop. or does centrifugal force keep them snug with all that orbiting around their respective nucleii.
 

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