Discuss 110 metre submain for 4/5 bed new build? in the Electrical Forum area at ElectriciansForums.net

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easier to use osg table 6D2.
 
and if there are 4/5 en-suite showers with 4/5 teenage daughters, then it's do the calcs. and X by 3.
 
Astonishing.

Do you think you're ready for such jobs?

Been a long day . Out the house a 5.30 this morning and just got in.Don,t really need "help" like this. I know i should be able to do this in my sleep ( kinda feels like i am) but a little guidance might be more constructive
 
Been a long day . Out the house a 5.30 this morning and just got in.Don,t really need "help" like this. I know i should be able to do this in my sleep ( kinda feels like i am) but a little guidance might be more constructive

Maybe your post could have been worded in such a way to encourage people to help you.
 
looking more at VD, i'd be considering 70mm.
 
Sorry for the vague info, i will explain more.The supply is for a 4 or maybe a 5 bed house (100A). Allowing for a 5% vd the cable size would be 50mm.

0.94x110x100/1000 = 10.34

Am i close
 
close, but VD for lighting is 3%, so i'd err on the side of caution. better to install a slightly oversized cable than have to dig out and replace an undersised one.

i got 70mm based on 80A demand.

5.6V drop.
 

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