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Is a 'meter tails' alteration a 'minor works' change to an existing circuit, or not/never ...

Good day to all

… in these scenarios:

From new service head position to existing consumer unit no change in length/csa ?

From new service head position to existing ‘henley’ block (serving multiple CUs); no change in length/csa ?

As previous with change in length (still ≤ 3m) and conditions  (but no real affects to CCC or Ze PFC) ?

As previous but adding  Switch Fuse Isolator unit (just for kicks) and still ≤3m ?

 

Or meter tails alterations are always an EIC regardless (as I would consider) ?

 

I did come across a post or two suggesting MEIWC as existing circuit alteration, but the impact could be greater.

 

By the way [not], what that is relevant would one fill out on a model EIC Sched. of Test Results  (or MEIWC if one was so inclined) for a ‘meter tails’ alteration ?   

Regards,Habs

 

  • This is a curious question, why not an MWC? It is not a new circuit, and there are no useful tests you can carry out, except checking the terminals are tight. I will not ask the question about isolation for the job.

  • is there a point when it is not a ‘minor works’  … and one would move to an EIC and create Sched Tests for [each] board's circuits .

     

    ‘curious question’… perhaps that's being too polite on reflection, as one would not do work to leave the installation in worse condition of course.

  • MEIWC is really for alterations to circuits. EIC seems a bit over the top, although you would not need any schedules of inspection and test results. I think that you would want to measure PEFC/Ze and ensure that polarity is correct and that's about it. They need to be recorded somewhere along with a description of the work carried out. You could use just a blank sheet of paper.

    Arguably, a switch fuse isolator is a DB, so that would require an EIC with a schedule of test results for the tails on the load side.

  • The question must be: how much responsibility are you eager to take on? 

    A MWC is fine for the work you suggest.

  • T'was a question posted as a talking point on  'meter tail distribution circuit’ alterations and application/use of certification for such, in terms of [is it] ‘minor works’ and so on.  Not that interesting perhaps compared to other challenging issues, but useful to me none the less.

    Thank you for the comments.

  • Could any of it be classed as maintenance.  I suppose that would depend on the reason for the alteration.

     

    Gary

  • Chris Pearson: 
     

    Arguably, a switch fuse isolator is a DB, so that would require an EIC with a schedule of test results for the tails on the load side.

    “Arguably…”; in what circumstances might it be argued not   ?