Perhaps the manufacturers have argued the case and won.the flex 'CCCs' do seem extremely 'conservative' - but I'm not sure that is an acceptable excuse for exceeding them!
Perhaps the manufacturers have argued the case and won.the flex 'CCCs' do seem extremely 'conservative' - but I'm not sure that is an acceptable excuse for exceeding them!
That's already been suggested, and may well be the case, but they don't seem to have argued (at least, successfully) their case with IET or JPEL/64.Perhaps the manufacturers have argued the case and won.the flex 'CCCs' do seem extremely 'conservative' - but I'm not sure that is an acceptable excuse for exceeding them!
As I said before, I might see some sense in such arguments in relation to most 'portable appliances' (tools, kettles, toasters, hair dryers etc. etc.) but, in the specific context of this thread, fan heaters seem to be a different kettle of fish - since they could easily be on for hours at a time (and very many hours per year). Whatever, if there were a good case for allowing a higher CCC in certain circumstances (certain types of load, length of cable or whatever), one would expect/hope that BS7671's CCC figures would reflect that.Another possible factor is the long-term effect on the plastic of running at elevated temperature. Perhaps a "portable" device can be assumed to be used for no more than X hours per year, while a "fixed" device might run continuously.
Why would they argue their case with regards to a standard they don't work to?That's already been suggested, and may well be the case, but they don't seem to have argued (at least, successfully) their case with IETPerhaps the manufacturers have argued the case and won.the flex 'CCCs' do seem extremely 'conservative' - but I'm not sure that is an acceptable excuse for exceeding them!
I suppose that is a point, but ...Why would they argue their case with regards to a standard they don't work to?
... regardless of what "Standard they work to", anyone installing hard-wired fixed appliances presumably does have to comply with BS7671, so there would be little point in something else 'allowing' a cable size than would be non-compliant with BS7671?My gut feeling is that the exception was only put there for portable appliances because no fixed appliance manufacturer bothered arguing for it.
Ever looked at cable, a switch, a whatever, and seen how different the ratings are from different organisations?
Oh look - more braindead autocensoring, utterly devoid of context, which prevents people from communicating properly.The exact cable markings are: <VDE> H05VV-F 2X0.75mm2 CIXI ****ONG ****ong
Oh look - more braindead autocensoring, utterly devoid of context, which prevents people from communicating properly.
DIYnot - whether you like it or not, Shіtong IS the name of a town in China!
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