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Extra Low Voltage (ELV)

Former Community Member
Former Community Member
Guys,


BS7671:2018 is classing cables extra low voltage (ELV) as an operating voltage not exceeding 50Vac or 120V ripple-free dc.


BS7671 goes on to further
categorize ELV cables into SELV, PELV, FELV.


For single core green/yellow insulated equipotential bonding cables lets say originating from an earth bar and bonding some structural steel work, are these classed as FELV under BS7671:2018 ?
  • He has written at least 2 electrical books - one ostensibly about ADS (28 pages long)  , and one about earthing (20 pages). some pages in google preview 

    Neither is particularly helpful, except perhaps as examples of how not to write a clear text book and maybe also as a reminder that some publishers will print pretty much anything for the right fee (the right fee is about 800 dollars at the time of writing).

    At the moment the publishers are offering both as 'print on demand' suggesting there is not really a lot of demand.

  • mapj1:

    Neither is particularly helpful, except perhaps as examples of how not to write a clear text book




    lt seems  also an 'example' of how 'not' to 'use' 'punctuation'.