Shower fire revisited

how many people actually know what radio equipment they are using

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Are you trying to infer nothing can fail?
Not at all - but I do wonder about the acceptability of product if the risk of a catastrophic failure when not in use is deemed by the manufacturer to be sufficiently great as to cause them to issue instructions to mitigate that risk.
It appears from the origin of this thread that's what happened and equally could readily be sighted by the manufacturer in their defence if such a body were to attempt to turn it on its head.
We can only speculate about what happened in this case. The initiation of the fire is, I would have thought, much more likely to have occurred whilst normal (high) current was flowing (whilst the shower was being used) than when the shower was not being used. If that were the case, 'isolating' the supply after the shower had been used would not have prevented or affected the fire.

As I wrote earlier, whilst the first reaction of any of us on being faced with a 'shower on fire' is to remove the electricity supply, in reality that would probably have no effect on the existence or progression of the already-established fire.
That raises another tangent as so often happens. ... There is now an OfCom requirement for ALL RADIO USERS to do an EMF compliance calculation and retain the result for every item of transmitting equipment in every mode it can operate in and every combination of equipment. This includes ALL radio equipment and the big question is how many people actually know what radio equipment they are using?
Have you included this in the intended thread? Whatever, do I take it that you are referring to ...
Ofcom said:
Dear Licence Holder,
We are writing to make you aware of some important changes that we are proposing to make to your Wireless Telegraphy Act licence(s) issued by Ofcom.
In February and October last year, we issued two public consultations on our proposal to formally require licensees to comply with the internationally agreed levels in the International Commission on Non-Ionizing Radiation Protection (ICNIRP) Guidelines for the protection of the general public from electromagnetic fields (EMF). We refer to these levels as the ICNIRP general public limits. In October, we also issued a Statement setting out our decision to formally require licensees to comply with the ICNIRP general public limits and we recently published an update on how we propose to implement that decision.
We are now writing to you to inform you of our proposal to vary the terms and conditions of your licence(s) to require you to comply with the ICNIRP general public limits. In accordance with the Wireless Telegraphy Act and your licence(s), we are giving you notice of our proposal by publishing a General Notice on our website. ....

Kind Regards, John
 
Have you included this in the intended thread? Whatever, do I take it that you are referring to ...
Kind Regards, John
Yes I added it to your comment about keeping a phone is a fire proof box, which could also benefit from being RF shielded to remove that hazard too.
 
Dear Licence Holder,
We are writing to make you aware of some important changes that we are proposing to make to your Wireless Telegraphy Act licence(s) issued by Ofcom.
In February and October last year, we issued two public consultations on our proposal to formally require licensees to comply with the internationally agreed levels in the International Commission on Non-Ionizing Radiation Protection (ICNIRP) Guidelines for the protection of the general public from electromagnetic fields (EMF). We refer to these levels as the ICNIRP general public limits. In October, we also issued a Statement setting out our decision to formally require licensees to comply with the ICNIRP general public limits and we recently published an update on how we propose to implement that decision.
We are now writing to you to inform you of our proposal to vary the terms and conditions of your licence(s) to require you to comply with the ICNIRP general public limits. In accordance with the Wireless Telegraphy Act and your licence(s), we are giving you notice of our proposal by publishing a General Notice on our website.


This change could be part of a more general tightening of control. This could apply to all electronic equipment that emits electromagnetic radiation. It would create some serious problems for suppliers of Switch Mode Power Supplies and Switch Mode LED drivers,
 
This change could be part of a more general tightening of control. This could apply to all electronic equipment that emits electromagnetic radiation. It would create some serious problems for suppliers of Switch Mode Power Supplies and Switch Mode LED drivers,
There might be other tightenings in the future of (totally different) requirements in relation to EMI, but that's a very different matter.

I really can't believe that anyone would ever suggest that the amount of (electromagnetic) ionising radiation emitted ('unintentionally') by SMPSUs could ever be remotely near levels which can do harm to human beings - particularly in a world that 'allows' people to put mobile phones and cordless phones (which intentionally emit radiation) closely to their ears (hence brains)!

Kind Regards, John
 
Maybe the one which was 'corrected' by your edit which turned; ... into ... ??

I must confess that I thought the error was that your "Yet" was meant to be "Yep", rather than that the word "missing" was omitted :)

Kind Regards, John
Heck you must have caught that quickly, I editted it what I would have described as instantly.
 
Heck you must have caught that quickly, I editted it what I would have described as instantly.
I suppose that perceptions of "instantly" probably vary - you posted the original at 3:25 and edited it 25 minutes later at 3:50, giving me plenty of time to notice (and comment upon) the original :-)

Kind Regards, John
 
Except this case appears to prove that MI's instruction may be, in fact possibly definitely, correct as the fire could not have possibly occurred if the isolator had been operated after the last use.
It would have probably occurred next time the shower was being used while someone (possibly non technical) was under it.
 

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