Adding Extra Cable

[Nedd]

Hi all

Need to up grade 3 core 6mm swa up to 10mm can anyone see any problem with running  second 

6mm swa in parallel with the original to help keep cost down. Your comments please.

 

[apprentice87]

What you going to do at the ends?? Be awful messy,,,, Can it really be that much more for 10mm?? You could always sell the first [old] bit for scrap.... What sort of length you need? Thinking on it, by the time you go and buy enclosures and stuff to go at the ends it will be cheaper to get the 10mm. How you cost your time?? You will be fiddling about and it will always look crap.....

john..

 

[Evans Electric]

Wot  ee sed !  

Parallel feeds are usually adopted with the much larger sizes TBH  .   I just feel its not the best idea  Nedd.

What does this 6mm do ?

 

[Nedd]

Thanks for your comments will fit new 10mm swa

nedd

 

[Technician]

It might be irrelevant now but the regs do not state you

cannot do it but if parallel conductors are in use then

the value of Iz should be the sum of the current carrying

capacities of the parallel conductors. That being said,

what happens if a termination on one of the conductors fails?

This might be remote but;.......

As Evans said, this is normally a practice for much larger

sizes.

 

[Marvo]

I wouldn't see a problem from an electrical point of view as long as both cables are the same CSA, same length and go the same route. Aesthetically it might look a bit dogs breakfast.

 

[Andy™]

just dont tripple it up, otherwise you then have a lot more work to do at both ends