Thoughts please

[D Skelton]

Ok, so providing the requirements for 't' (434.5.2) and 'S' (543.1.3) are satisfied, what is wrong with this setup?

Assume 230V SP 50Hz

 

[telectrix]

can you get HD on that array?

 

[D Skelton]

Erm???

 

[Guest55]

is this one of your jobs ?

 

[shanky887614]

2.5mm on 100a mcb

 

[D Skelton]

is this one of your jobs ?

Not at all lol, just a theoretical point I have to prove. Hence the lack of info.

 

[D Skelton]

2.5mm on 100a mcb

And? They are single loads not exceeding 20A

 

[Guest55]

just a theoretical point I have to prove. Hence the lack of info.

hence the lack of interest if youre not going to say what your actual point is.
lol.

 

[shanky887614]

And? They are single loads not exceeding 20A

didnt bother looking further than 2.5mm why bother, its wrong and personally id add another db and it would be fine then

 

[D Skelton]

didnt bother looking further than 2.5mm why bother, its wrong and personally id add another db and it would be fine then

Why is it wrong? People do it on ring final circuits all the time and DNOs do it on our supplies.

 

[D Skelton]

hence the lack of interest if youre not going to say what your actual point is.
lol.

My point is that although not an ideal setup, it is not technically wrong. Or at least I can't see a reason why it is against regs. Disregarding the environment they are installed in, cables only have to suit the load they are supplying right?

 

[Guest55]

how long are the 2.5 branches then ?

 

[Guest55]

and what sort of loads ?
do they need overload protection ?

 

[shanky887614]

My point is that although not an ideal setup, it is not technically wrong. Or at least I can't see a reason why it is against regs. Disregarding the environment they are installed in, cables only have to suit the load they are supplying right?

ah but. the breaker size is to protect the cable. a fault on the 20a load could start a fire before the 100a trips

 

[Deleted member 9648]

You bored to-nite Mr Skelton?