Power to shed

[rebuke]

New consumer units are notifiable under Part P, even if they are a straight replacement - from the list of non notifiable work:

1. Work consisting of -

(a) replacing any fixed electrical equipment which does
not include the provision of—

(i) any new fixed cabling; or

(ii) a consumer unit;

i.e. you can replace stuff, as long as it does not involve a new consumer unit. Your work is clearly involving a new consumer unit, so is therefore notifiable unfortunately...

 

[ban-all-sheds]

Have you link pls?

Just rummage around on the TLC website - I think the 4-module MK enclosure was the cheapest.

It is existing installation so don't need part P .

Even were it not notifiable that wouldn't be true - Part P (in fact all of the Building Regulations) applies to any work whatsoever on fixed electrical cables or fixed electrical equipment located on the consumer’s side of the electricity supply meter which operate at low or extra-low voltage and are—
(a) in or attached to a dwelling;
(b) in the common parts of a building serving one or more dwellings, but excluding power supplies to lifts;
(c) in a building that receives its electricity from a source located within or shared with a dwelling; or
(d) in a garden or in or on land associated with a building where the electricity is from a source located within or shared with a dwelling.

 

[Spark123]

Maybe I'm thinking of the 16th edn regs, I didn't think just a 2 module enclosure would be suitable. As a separate building I thought the supply should have DP isolator for it.

2 way CU
16A MCB
6A MCB

 

[EddieM]

That's odd, why do the separates cost less than the pre loaded one, what else do you get in the preload?

 

[ColJack]

busbars and neutral blocks?

ok just looked and you get that too...

it's the time taken for someone to install the mcb's and tighten the screws to the correct torque?

and I suppose they then have to test the connections and the breakers?

 

[JonoPashley]

If you're happy to use a plastic enclosure, don't need a weatherproof one and don't mind a bit of fiddling about to terminate earths & neutrals you could buy a generic 2 or 4 module enclosure and a couple of MCBs for about £15.

http://www.tlc-direct.co.uk/Main_Index/Consumer_Units_Index/CP_Range_Main_Switch/index.html

I like these personally. Cheap, Good Quality Gear shame that Contactum is now in administration.

 

[EddieM]

busbars and neutral blocks?

ok just looked and you get that too...

it's the time taken for someone to install the mcb's and tighten the screws to the correct torque?

and I suppose they then have to test the connections and the breakers?

Hmmm. not at lot then.

 

[Spark123]

That's odd, why do the separates cost less than the pre loaded one, what else do you get in the preload?

The one referred earlier to has an RCD main switch, the one I linked to the parts for has an isolator - as it is already RCD protected at the main CU it doesn't need local RCD protection too.

 

[EddieM]

Ahh, OK, unlike my rather daft setup, where I have an RCD before the main CU, and RCD on the actual CU itself, an RCD on the garage CU in the shed, into which is plugged an extension reel that has, yep, an RCD on it.

 

[Spark123]

I don't think it is daft, it isn't necessary tho.