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Old 14th Aug 2018, 9:23 pm   #19
mhennessy
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Join Date: Jul 2007
Location: Evesham, Worcestershire, UK.
Posts: 4,244
Default Re: Quick-and-dirty testgear: mains voltage monitor.

Quote:
Originally Posted by G6Tanuki View Post
As to whatever capacitors [class-X or otherwise] are present inside the module, TBH I just couldn't care: whatever they are, they seem to work - and if the module fails after a year I'll happily shrug, hurl it into the skip and buy another one. That's for me the 'path of least-astonishment' which I've spent decades following in business.
You might not care about the long-term reliability of these modules - and at these prices, I completely get that - but to shrug off the potential safety issues is another matter. These sort so of cheap things can and do fail in fairly exciting ways - I've seen it first-hand. Your call, obviously.
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