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  1. N

    More than 1 circuit on mcb

    BS 7671 definition...
  2. N

    Boiler emergency e-stop

    The requirement for an e-stop on the system is down to the integrator, by LAW. The boiler installation must have been CE marked as an assembly to comply with the LAW. Forget BS 7671 totally irrelevant. You are now into EN 60204-1, ISO 13850, ISO 13849-1 & ISO 13849-2. Then the C-Type standards...
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    Chinese parts

    That is a massive task in itself, and requires quite a lot of detective work! ;)
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    Chinese parts

    If your client has imported these into the UK themselves, they now have the legal liability as the manufacturer of the product, so if it blows up and kills someone, the law is coming after them.
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    Circuits for Motors- how to in the UK?

    Most motors are nothing to do with BS7671 as they are part of machinery, which is excluded from BS7671 and comes under other statute laws.
  6. N

    ELEX Coventry - Who's going?

    Code breakers is only £17.99 on the stand today for non members.
  7. N

    Do I need over current protection?

    Yes, but, remember BS7671 is irrelevant when it comes to machiney. 110.2,xi
  8. N

    Do I need over current protection?

    Motor overloads are set to motor FLC in the IEC world, settings in the NEC world maybe different.
  9. N

    Do I need over current protection?

    You're right, I saw the flag under his name and saw the little Union Jack and thought it was the whole flag, not just the small bit in the corner! IEC 60364 still applies in AUS/NZ though it is a local interpretation like 7671, as would IEC 60204-1 which isn't so local.
  10. N

    Do I need over current protection?

    Upstream of the soft start, yes, downstream, no the soft start should be programmed to limit the overload current, if not the soft start instructions must give you the data you need. Just remember if it's machinery BS7671 is irrelevant.
  11. N

    Chemical Cupboard

    The cost of the CO2 system may be more palletable when you put the whole risk, maintenance etc scenario into context as a package, including the on-cost of controls PPE etc. and the residual hazards posed by HCl
  12. N

    Chemical Cupboard

    Trouble with that is PPE is the last in the acceptable hierarchy of control, it always fails to danger, & relies on process, procedure, information, training, instruction & supervision, none of which are infallible. Thus, it isn’t an acceptable control measure unless others have been correctly...
  13. N

    Chemical Cupboard

    Stainless or plastic, but, you need to get them to address the problem first. If they have leaks they are exposing their employees to chemicals, the exposure levels for people are normally a few orders of magnitude below that which would damage installed equipment, so they have a big issue there.
  14. N

    Induction hob.

    I've seen what has been posted elsewhere and, the advice to the OP is pretty much identical to that here. The OP seems to be going round in circles because the either don't or won't understand the advice given to them, for free, by professionals who specialise in this area of engineering. The OP...
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    IMPORTANT: Quick forum permissions check - Can you reply to this if you see it please? :)

    I can see this
  16. N

    DOL Starter / automatic dust extraction system

    Plus the legislation if it's not for DIY at home, and, even then it's possibly an issue.
  17. N

    Stroma Certification Scheme NAPIT bought out Stroma?

    Now that is a statement that makes no sense. Most people can make a phone call, I'm pretty good with computers, networks, etc. but that doesn't mean I could look at the two CRM systems and their databases and start to migrate one to the other, or both to a new system, or even extract the data...
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    Stroma Certification Scheme NAPIT bought out Stroma?

    I've heard it's down to different back office systems not being compatible, and things having to be converted across which couldn't happen until the take over had been completed, i.e. IT issues!
  19. N

    Automation vs. Construction - career advice please

    I did move from automation into construction, following redundancy, but pretty much hated it, too many cowboys who wanted to work for nothing, so started the way back almost immediately.
  20. N

    Possibly one for Pete (or other older tool tarts)

    AF still applies to metric as well as UN/SAE sized spanners it as has been said refers to the jaw size, which is the across flats dimension of the hexagon of the nut, so a 13mm spanner will fit a 13mm AF nut.

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