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Hi all

I work on site as a contractor and my colleague was talking to one of the in house electricians on site. He does some work of site for somebody else and the conversation turned to RCBO installation briefly. My colleague stated he was installation last week and this in house electrician stated that they are easier than normal circuit breakers as you just put the cable anywhere on the neutral bar, doesn't matter about order.

Now to me this doesn't seem very professional. You should still install them in order as they go along, ie breaker 1 in neutral 1 for at least 2 main reasons.
1. Because you can make it look neater and more professional
2. When you come to have to do something in the board it makes it a lot easier to locate which cable goes to which breaker and do the job quicker and easier.

Just wondering how many people think this way as well?
 
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Charlie_

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The neutral & earth bars have termination numbers which correspond to their respective circuits, therefore, it is imperative that they actually do correspond with each other
 

Charlie_

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Ask him to read chapter 51, section 514
 

Rpa07

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Esteemed
He was probably alluding to the fact that there is one neutral bar and one earth bar so not needing to make sure it’s one neutral bar or the other.
I can’t see any willing spark putting them in haphazardly. They would follow numerics for neatness and ease of location.
 

Wilko

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Hi - your mate is mistaken - its a rare thing that taking a short cut is ok, otherwise it would've always been done like that :) .
 
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  • #6
Thanks, my first thought was that he was wrong. I believe he was just talking about single and not a split unit.

I personally, not even talking about the regs, would put them in order just to make it neater and easier for the next person who might need to do some work on the board.

And he isn't my mate. :)
 
D

Deleted member 26818

There’s no requirement to terminate either the neutrals or the earths in any particular order.
It’s good practice.
 
I recently took apart a little 3036 board and the original sparks had put all Ns in one terminal and all CPCs in one terminal , actually looked quite nifty
 

ipf

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I recently took apart a little 3036 board and the original sparks had put all Ns in one terminal and all CPCs in one terminal , actually looked quite nifty
Talking of earth terminals.....
This boiler control box earthing looks really nifty:)


IMG_0832.JPG
 
That looks like my worst nightmare

Haven't they heard of a wiring centre
 

ipf

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Why cram it all in looks shite least a twin back box and blanking plate and whole strip of connectors
It's probably been in about 20 years.
It's an adapt box...….look at the strip of connectors on the right.
 

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