Calculating Ib for design

Mikeyuksm · May 29, 2017

just on with the level 3 now and coming across the 305 design and finding it difficult to get the design current before adding the diversity effect , can anyone help ?

binky · May 29, 2017

not without any info we can't :^O

steptoe · May 29, 2017

its 53

Lurch · May 29, 2017

steptoe said:
its 53

No, it's 42.

steptoe · May 29, 2017

Lurch said:
No, it's 42.

ah, I forgot to apply 80% rule,

Mikeyuksm · May 29, 2017

hah no worries I just realise as I went through onsite guide I found the diversity table for locations

Mikeyuksm · May 29, 2017

For a ring final circuit with 14 points on it of double sockets

steptoe · May 29, 2017

Wired in 4mm singles,?

Mikeyuksm · May 29, 2017

Twin mate in a factory run in conduit

Andy™ · May 29, 2017

so is this a college question or are you planning on a design for a factory way out of your depth?

is this 14 sockets for general use or will each socket have a 2kw appliance plugged in thats always on?

Mikeyuksm · May 29, 2017

college haha and everyday use

steptoe · May 29, 2017

Mikeyuksm said:
Twin mate in a factory run in conduit

So its 4mm T&E ,?

roys · May 29, 2017

Mikeyuksm said:
Twin mate in a factory run in conduit

What size of conduit?

poni · May 29, 2017

roys said:
What size of conduit?

2" too allow for future circuits

steptoe · May 29, 2017

We still don't know what size the cable is,?

MarkHByC · May 30, 2017

Is this for your design assignment?

councill highways depot maybe ?

Calculating Ib for design

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Calculating Ib for design

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