cable sizes

[Jimmyb]

I would say 16mm but because of 125amp breaker 25mm

 

[pushrod]

It = In (24A)/Cg (o.8)


you can hit the thanks button if i'm helping

 

[Jimmyb]

so 70mm is way to big then if each phase only needs to caryy 24amps????????

is it not 24.73amps

 

[james king]

yes sryy

 

[james king]

so how would the layout work then can u explain of where the come out from the DB ?

 

[pushrod]

is it not 24.73amps

approx 24A is Ib

Load is probs inductive so 32A type C or D MCB

 

[james king]

were is the thanks button?

 

[pushrod]

so how would the layout work then can u explain of where the come out from the DB ?

Haven't answered this bit yet ... you got an answer to It?

 

[james king]

32A mcb is that it? surly not you have been a great help thnk u

 

[pushrod]

cable size??

It =24/0.8 = 30

can you find the cable size from table 6D1 page 128 of OSG?

 

[bugsy]

whats the run?
Im off to the van to get me book

 

[james king]

huh 6mm that what i got from 30A 6mm??

 

[pushrod]

whats the run?
Im off to the van to get me book

50M he said originally- volt drop turns out ok at about 7 or 8 volts i think

 

[bugsy]

What a complete knob I am , sitting in bed watching Darren Brown doing calcs in me head, plonka plonka plonka
anybody else want throw in a few insults its open season for me

But only unit 6am tomorrow so get in quick

 

[pushrod]

huh 6mm that what i got from 30A 6mm??

Well done.

column 5 (ref method B) shows 6mm can be used for an It of up to 36


[thanks button is on bottom left of post]