A3 radial circuit ????

[martinh89]

Im currently training as an electrician through ATL but i have actually been to college and done my level 1 and 2, plus had on site experience to a cirtain degree.

my friend has asked me to put a new circuit from the consumer unit to his loft as he is converting it, he wants 2 socket outlets to supply 4 lights at 600w.
my question is :
what is the best way to go about the installation? ,from what ive learnt and done in the past id use an A3 radial circuit using 2.5mm twin and earth with a 20a mcb

i was wondering have i got it right or far from it ?

thanks

 

[drew35]

Four lights at 600w? Do you mean 60w each, 600w each, or 600w total???

If you're coming from the consumer unit why not run 2.5mm for sockets, and a 1.5mm for the lights.

 

[kingeri]

Socket outlets to supply lights? Or socket outlets plus lights (which makes more sense)? 600w of lights in a loft? Is it a big loft? Sorry to answer with a question.

By the way, I see this is your first post....maybe a hello would be nice!!

 

[martinh89]

no i do mean 600w each, 2,400w in total i have done the calculation and current carrying capacity is 10.4347 amps

sorry i should of been more clear, theres no lighting circuit its just for the socket outlets ,

and hii all

 

[kingeri]

What is he converting his loft into????????????????

 

[Octopus]

Is he planning to grow cannibis in his loft?

 

[kingeri]

Is he planning to grow cannibis in his loft?

That's what I was thinking, without saying it!

 

[Knobhead]

Loft? 600W Lights?
This has the wiff of a certain class 2’s horticulture.

 

[martinh89]

i have no idea, ask no questions hear no lies, to be honest im just greatful for the work

 

[i=p/u]

Lol. Astro turf in loft

 

[martinh89]

will someone please give me an answear , am i on the right tracks with my method of installation and calculation ?

thanks

 

[Octopus]

As you quite rightly calculate that 4 x 600w would equate to over 10 amps so putting that on the end of a radial with sockets would NOT be the way to go.

Looks like you need 1 x radial for the sockets and 1 x radial for the lights - both 2.5mm and 16a breakers (or you could go to 20A depening on the cable routing).

And as new circuits its notifiable and does the house have RCD's and bonding in place?

 

[somersetsparks]

Im currently training as an electrician through ATL but i have actually been to college and done my level 1 and 2, plus had on site experience to a cirtain degree.

my friend has asked me to put a new circuit from the consumer unit to his loft as he is converting it, he wants 2 socket outlets to supply 4 lights at 600w.
my question is :
what is the best way to go about the installation? ,from what ive learnt and done in the past id use an A3 radial circuit using 2.5mm twin and earth with a 20a mcb

i was wondering have i got it right or far from it ?

thanks

I thought the apprenticeships were through JTL not ATL?

 

[Maestro]

what i have known people to do is run a 2/3 sub-board(6mm t/e) with a timer breaker in for the lights then you can take somewhere else when finished

 

[martinh89]

I thought the apprenticeships were through JTL not ATL?

no the reason i didnt get my level 3 is because i couldnt find an apprentership, long story cut im paying to learn and become qualified