Correct size trunking for heat dissipation?

[blueschill]

I have to do an install using trunking which I have nebr used before, I understand there had to be 45% free space inside for heat travel.
so what size trunking do I need to fit two 2.5 t&e cables inside?

As I said I have never used trunking before so it is new to me.

 

[KAS1]

I'd use YT2

 

[Ducksy]

OSG page 137

Each 1.5 = 8.0 cable factor
Each 2.5 = 11.9 cable factor
So

So (11.9x4) + (8.0x2) = 63.6 cable factor

Smallest trunking in OSG is 50x38 which has a factor of 767, 45% taken into account.

I'm sure a lot of the guys will say MT2 would be fine.......maybe.

Make sure your playing halo tonight

 

[Ducksy]

Ooops my cables was using singles not T&E sorry

 

[Andy78]

I would also use YT2 for those cables.
Couple of tips for installing trunking. Whether you use sticky back or non sticky, make sure you plug and screw as sticky will eventually peel off. Use proper joint pieces ( tees, flat bends, internal corners etc ) as mitred corners can look afwul on small trunking.

 

[blueschill]

~Hey guys thanks for the info I did the job, used mt2 trunking ( also used a chart to get it right Untitled ) with proper joint pieces, and the job looked proper smart and went very well, thanks guys for your help.

 

[Engineer54]

I'm asking myself why would anyone use T&E wiring in a metal trunking installation??

 

[R G]

Play it safe and use 6' x 6' trunking !!

 

[shanky887614]

I'm asking myself why would anyone use T&E wiring in a metal trunking installation??

im pretty sure mt2 is plastic

 

[kingeri]

MT2 is Definatly plastic fact.

Engineer54 was trying to be an ???? and just showed himself up pmsl.

As did you with that awful and pointless post.

 

[KAS1]

To ask this sort of question you must be a ...........lorry driver or butcher or scaffolder or a dentist or ......... please don't tell me you are an electrician, how can you even think of doing electrical installations for a living when you have to get on "the internet" to ask this GOD HELP US ALL..........

I have to do an install using trunking which I have nebr used before, I understand there had to be 45% free space inside for heat travel.
so what size trunking do I need to fit two 2.5 t&e cables inside?

As I said I have never used trunking before so it is new to me.

 

[Guest55]

wahey ! we have a rant lol.
whats your next trick ?

and drop the quals waving tantrum , you'll come off very badly against some regulars on here.

 

[Guest55]

oh , and learn to spell technician correctly you ??????

 

[Sintra]

2 users now banned until they learn some manners. Please do not quote replies full of foul language etc as they all have to be edited manually. Thread closed.