Live cable taken straight off busbar..Reg no. required. | Page 2 | on ElectriciansForums

Discuss Live cable taken straight off busbar..Reg no. required. in the UK Electrical Forum area at ElectriciansForums.net

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Evening...Can anyone tell me which reg this breaks??

It feeds a switched fuse.

[ElectriciansForums.net] Live cable taken straight off busbar..Reg no. required.
 
I'm swaying with the OP's concerns here, the regulations are there to give you guidance and will not always detail specific scenario's but that does not mean it is then ok by default.
Looking at similar set-ups should give us an idea here whether this is ok and considering say a busbar chamber where you should not double up cables on busbar clamps as is normally stated within manufacturers guidance as they should each serve only one cable. Here we have a similar set-up when the bolt originally serves a purpose of clamping the busbars together and is not so designed to allow you to tap off although it has been utilised for this purpose, if it shows any signs of damage or overheating then I would bring it up as a matter for correction, if however it a sound connection and the busbar covers can be fitted giving the full protection level they did before then probably only worthy of a noting down. (I assume these busbars still have their covers).
 
I'm not sure these boards even had a cover over those bars, they are on the load side of the isolator and a lot of boards of that vintage didn't cover the bars on the load side. I'd agree with checking carefully for any thermal or mechanical damage caused by the termination....but otherwise, don't think I'd be overly concerned if I came across it on an EICR.
 
I'm not sure these boards even had a cover over those bars, they are on the load side of the isolator and a lot of boards of that vintage didn't cover the bars on the load side. I'd agree with checking carefully for any thermal or mechanical damage caused by the termination....but otherwise, don't think I'd be overly concerned if I came across it on an EICR.
See#12.....and the fixing holes
 
No that board never had busbar covers and how anyone can look for excuses to find that acceptable is beyond me.

There's a difference between finding something acceptable to do and finding an existing bodge dangerous enough to recommend immediate disconnection.
 
There's a difference between finding something acceptable to do and finding an existing bodge dangerous enough to recommend immediate disconnection.
I agree but I would not like to make a judgement on a non recommended ad hoc connection that it does not pose a danger as you have nothing to gauge it against. It is difficult to see but the only way that lug can be fitting flat to the busbar is if it has broken the plastic busbar support which it looks like it has.
 
My concern would be whether the bolt passes through the Bakelite.
If it does, then it is there to hold the bar in place, not for connecting cables.
It would be better to drill a hole elsewhere on the bar to connect.
Using single phase colours is correct.
 

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