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Appendice 14 of 17th Edition.

Former Community Member
Former Community Member
Good afternoon all.

Slightly confused.... Since the removal of apendice 14 of the 17th edition does the 0.8 factor still apply to the 18th Edition ?

A call to NICEIC technical confirmed this applies only to new installations and need not be applied to existing.

Odd as I cannot find this anywhere in the 18th.
  • 0
    It is still in there.


    Appendix 3, page 363, just above Table 3A.


    This is signposted in the Introduction to BS 7671:2018, under Appendix 3 and Appendix 14, pages 6 and 7, as well as the note 2 to each of the Tables 41.2 to 41.4 inclusive also pointing to Appendix 3.
  • Former Community Member
    0 Former Community Member
    Many thanks Graham. I think a new set of reading glasses is in order :-)
  • 0
    In a book that now numbers over 550 pages of relatively small font text, things are not easy to find.
  • 0
    Why we are still using books is beyond me. Just about every other British Standard is Ava’s pdf. Somebody worried about income stream?
  • 0

    lyledunn:

    Why we are still using books is beyond me. Just about every other British Standard is Ava’s pdf. Somebody worried about income stream?




    BS 7671 is available in searchable electronic format.

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