It's not helpful to quote a dictionary or grammar when the terminology is not 
agreed. For Rich, misuse is defined differently from your definition. Game 
over. 

This topic is a 'thicket' - something that gets more difficult to penetrate the 
further you go in. 

One aspect not commonly studied by engineers is biological. The sub-species 
Homo sapiens sapiens is in fact labile. Due to an insufficiently evolved brain, 
individuals easily metamorphose behaviourally into the very closely related 
sub-species Homo sapiens fatuus. Affected persons, for example, respond 
positively to an invitation to 'Hold this wire!' (;-)

Since this effect appears wholly unpredictable, it begs the question of what is 
'reasonably probable'.

With best wishes OOO – Own Opinions Only www.jmwa.demon.co.uk
J M Woodgate and Associates Rayleigh England


> -----Original Message-----
> From: Rodney Davis [mailto:rodney.da...@mitel.com]
> Sent: Wednesday, April 6, 2016 6:18 PM
> To: EMC-PSTC@LISTSERV.IEEE.ORG
> Subject: Re: [PSES] "For indoor use only" on External Power Supply
> 
> wow!
> 
> verb: misuse; 3rd person present: misuses; past tense: misused; past 
> participle:
> misused; gerund or present participle: misusing
> /misˈyo͞oz/
> 1. use (something) in the wrong way or for the wrong purpose.
> 
> i.e. using a PSU intended to power equipment indoors and in fact using it to 
> power
> something outdoors is misuse.
> 
> Misuse and ignoring warnings ???? ...sorry these not synonymous..
> 
> 
> ________________________________________
> From: Richard Nute <ri...@ieee.org>
> Sent: Wednesday, April 6, 2016 1:05 PM
> To: EMC-PSTC@LISTSERV.IEEE.ORG
> Subject: Re: [PSES] "For indoor use only" on External Power Supply
> 
> > Depending on the
> > product I could easily see using an indoor only rated
> > power supply outdoors as possible misuse.
> 
> That depends on your definition of "misuse."
> 
> If "misuse" means using the product for something other than its intended 
> use, then
> using the product outdoors is not misuse.  If we use this definition, misuse 
> is not
> predictable as it depends on the user's motives and objectives; standing on a 
> chair
> is misuse of the chair.
> 
> If "misuse" means using the product contrary to instructions (indoor use 
> symbol),
> then using the product outdoors is misuse.
> 
> Not following instructions, I assert, is a fault of a behavioral safeguard.  
> Using the
> product outdoors is a single (behavioral) fault condition; a second 
> (physical) fault
> could lead to an injury.
> 
> I use the first definition.
> 
> 
> Best regards,
> Rich
> 
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