in a distribution board,if we have a load and we have selected a cable after m

in a distribution board,if we have a load and we have
selected a cable after making all calcs (Deratings and
V.D , ect...) the cable we have selected was 10mm.sq.
now, shall the internal cable inside the switchboard should
be 10 mm.sq Like the external or it can be Less????
if somebody have an specs or information he can help D:

Question Posted / waswas

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Der..

Answer / saadsms

Hi
the in side cond,s will be less in size than the main cable
(out feeder) because they are branches to feed several loads.
their sizes may be ( 6,4,2.5,1.5 ) mm2.
and must be stranded isolated s.c wire to be flixible.
saad

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