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O

OldskoolUpNorth

Afternoon all,

Just got back from inspecting a domestic that is having a new CU installed.

Thing is, the DNO in all their wisdom have been out and fitted a posh new isolator as requested, FOR FREE, and put it in the only space big enough for a 17th board.

Now to the question,

Can a CU be mounted vertically?? i.e. On it's side. it's the only way it'll go in, and I don't think the guy will go for RCBOs and a smaller board just wi the cost of em.

Anybody ever fitted a CU vertical? or is it a big no-no.

Thanks as always.
 
Thanks for providing a link back to this thread 1sc , just what we need , a never-ending loop lol.

Thanks for pointing that out although 1) not sure why the forum keeps doing that when I add "speech" tags 2) not sure that it was really worthy of a post. Having said that some like to see those post totals add up eh lmao

;) xxxx
 
I once got heavily criticised on here when I was a new member, I asked why a cu would not be able to go its side. I got told by a member ( cannot remember who) that an mcb works on gravity. If an mcb is turned on its side then the gravitational pull isn't where it should be and it will affect te trip times.

I then proceeded to say it complete and utter ********
And then got told I didn't have a clue what I was talking about, look into how mcb's are made and come back when ya learnt somat.......
 
I once got heavily criticised on here when I was a new member, I asked why a cu would not be able to go its side. I got told by a member ( cannot remember who) that an mcb works on gravity. If an mcb is turned on its side then the gravitational pull isn't where it should be and it will affect te trip times.

I then proceeded to say it complete and utter ********
And then got told I didn't have a clue what I was talking about, look into how mcb's are made and come back when ya learnt somat.......

I was always told to mount a CU the correct way up because of the A) IP rating and B) the fact that, if mounted at right angles, it contravenes the manufacturers instructions (not great if anything goes wrong, whether if your fault or not!)

With regards MCBs operating due to gravity, that sounds like rubbish to me... Seen many a board which is DESIGNED for the breakers to be in sideways!
 
I guess you can, but it isn't worth the hassle, you'll be called back within the week to change it. After the clients know it all neighbour has said "oh that's wrong" " oh that's really dangerous "

I'd either move the isolator, or say to the client it's got to the a smaller board with rcbo's
 
I guess you can, but it isn't worth the hassle, you'll be called back within the week to change it. After the clients know it all neighbour has said "oh that's wrong" " oh that's really dangerous "

I'd either move the isolator, or say to the client it's got to the a smaller board with rcbo's

So long as the client is made aware of what work will be carried out before installation commences and reasons can be supported with the manufacturers instructions/any other literature proving it complies then I'm sure they will be happy and have no reason to be concerned. Sell it to them by showing them the comparison quote of the RCBO's and let them make the decision. :thumbsup
 

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