Might be obvious to some but I just realised today what else an all RCBO board can prevent, especially advantageous in a large installation. Can anybody think what .......................................?
And then it dawned on me......
- Thread starter ricicle
- Start date
H
holmslaw
..
E
EdwardCurrent
A heart attack when given the cost of materials, compared to a dual RCD unit. ??? 
Is it to do with the 'type' 'b,c,d' etc maybe ?
Ed
Is it to do with the 'type' 'b,c,d' etc maybe ?
Ed
Apart from sustainability and I am talking about an installation whose circuits are all RCBO protected
E
EdwardCurrent
Would I be correct in looking further into 314.1 for the answer you are looking for ????
Maintainability ?
Ed
Maintainability ?
Ed
Would I be correct in looking further into 314.1 for the answer you are looking for ????
Maintainability ?
Ed
You're in the right ball park but not quite there !
Nope. It is really simple but as I said it only occured to me today. The place I work now has nearly caught me out a couple of times with these.................
Borrowed/stolen/shared neutrals?
Bingo !
Similar to the situation people are coming across when replacing a consumer unit with landing lights where phase is off down lights circuit and neutral off the upstairs lights. When put on a split RCD board with one lighting circuit on one RCD and the other lighting circuit on the other RCD when the light switch is operated they will constantly trip.
Yeah, after being nearly caught out a couple of weeks ago, today I was working on an existing conduit/singles lighting circuit being cautious about a borrowed Neutral it suddenly dawned that the circuit I was working on was RCBO protected so there couldn't be any borrowed Neutrals on it. Obvious really
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