I'm still curious why the op keeps buying all this over priced tat
Like I said somewhere else, I think he works for B&Q (or maybe wickes or electrium) or has shares in themI'm still curious why the op keeps buying all this over priced tat
Now who's being pedantic?Not pensioners - over 60s.
You were definitely in my mind when I wrote thatI certainly would!'They' wouyld certainly say that it ceased to be 'type tested' (hence ceased to be a BS7671-compliant 'CU' for domestic use) if you did that!
Glad you agree!I agree.... but if such a CU (and padlock) were used in an installation without an upstream switch-fuse or other isolator it would then (when padlocked) be potentially diabolically dangerous (and non-compliant), wouldn't it?
He does seem to have an obsession about them...I'm still curious why the op keeps buying all this over priced tat
Surely if user-customising of the busbar length(s) is supported, i.e. the maker expects/allows it to be cut or snapped at score lines, and has instructions relating to this, it must retain its type-tested status?[The more pedantic amongst us might argue that once a user has taken a hacksaw to one of the components, the product ceases to be 'type tested', and therefore would not qualify as a 'CU'!!
That's certainly what common sense would say, but, judging by some things I hear, I wouldn't/couldn't guarantee that everyone would agree. If, say, (as have been suggested) replacing the Main Switch with one of a different manufacturer (which is compatible mechanically) is thought by some to invalidate the 'type tested' status, then I reckon that anything is possible in their eyes!Surely if user-customising of the busbar length(s) is supported, i.e. the maker expects/allows it to be cut or snapped at score lines, and has instructions relating to this, it must retain its type-tested status?[The more pedantic amongst us might argue that once a user has taken a hacksaw to one of the components, the product ceases to be 'type tested', and therefore would not qualify as a 'CU'!!
Maybe, but do you seriously believe that installing a different-make Main Switch (which 'fits' satisfactorily) could conceivably have any bearing on the safety of the CU?That scenario is materially different from a maker supplying a busbar which he fully intends or allows to be cut.
As I've said, you are preaching to the converted. If you want an argument, you'll have to find someone 'on the other side' to have it with!And if cutting is to be regarded as invalidating type approval then so would swapping a supplied MCB in a fully populated CU for a different value of the same make and range.
Yes, I do, because it is abundantly clear from a lot of the posts we get here that the world is full of idiots who would be unable to tell if a different-make switch did fit satisfactorily.Maybe, but do you seriously believe that installing a different-make Main Switch (which 'fits' satisfactorily) could conceivably have any bearing on the safety of the CU?
Maybe, but that's not an answer to the question which I "actually asked".Yes, I do, because it is abundantly clear from a lot of the posts we get here that the world is full of idiots who would be unable to tell if a different-make switch did fit satisfactorily.Maybe, but do you seriously believe that installing a different-make Main Switch (which 'fits' satisfactorily) could conceivably have any bearing on the safety of the CU?
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