condiut & single core/stranded

[danny124]

Hi not done much stranded single cores in conduit was just wonder what requirments are

i be doing 1.5 single core L&N but does the earth has to be 1.0 as like Twin and eart of can that be 1.5 also. (for my lighting circuit)

also same for a ring which is in 2.5, does the earth need to be 1.5, or can that also be 2.5. (for my ring)

there is a lot of straight runs, and for my assessment, could i get away with putting T&E in the conduit instead of singles stranded as trunking is not ideal in a Shed/workshop, made of wood

 

[Risteard]

The cpc could be 35mm2 if you want. There's no maximum csa. Only the minimum needs to be either calculated or selected.

 

[danny124]

nice cheers mate

 

[Jonesy83]

yes you can use t & e in conduit

 

[mayfair]

All single cables here in Spain Earth must be same as conductors here! but that here.

 

[dazsmith]

yeh pretty sure you can contain t&e in conduit theres no reason why not, not that i could find in the regs anyway!

 

[scotsparky]

when your doing the wiring watch out for your spacing factors in the conduits. The table is at back of OSG
Also if using T&E watch your bending radius of the cable if your using manufactured elbows.

 

[danny124]

Im running a radial circuit for my sockets now, its just not worth running a ring for just 8square meter shed....

The factor table for long runs. does inspection boxs count as bends in the conduit. Im using manufatctured bends, but swept bends as the inspection elbows are just too tight.

With the table factor, say table 5c. do i have to add a factor for each conductor for the t&E, i.e, 2.5 L&N cable factor of 30 x 2 = 60.

 

[scotsparky]

the factor cables are for single cores and all cores have to be counted. Boxes dont couint as bends

 

[pushrod]

Im running a radial circuit for my sockets now, its just not worth running a ring for just 8square meter shed....

The factor table for long runs. does inspection boxs count as bends in the conduit. Im using manufatctured bends, but swept bends as the inspection elbows are just too tight.

With the table factor, say table 5c. do i have to add a factor for each conductor for the t&E, i.e, 2.5 L&N cable factor of 30 x 2 = 60.

No - they count as end of run/start of new run.