Discussion:
Chinese fab mains wiring for North America
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legg
2024-08-20 16:58:01 UTC
Permalink
It's come to my attention that chinese products with
black-white color coded line cords are regularly
miswired with black-neutral, white-live. These
will regularly be marked as CE - their sole safety
qualification.

Anyone buying chinese hobby-type products with
mains connection had best be advised to check
them out, The fault may simply be the polarity
of the 3-wire line cord.

In any event, this characteristic can result
in unsafe 'off' single pole mains switch function,
single-fault fuse location.

Even such items as DIY led cabinet lighting can show
'glow in the dark' behavior, unless corrected. This
is 'tingle' current flowing in the 'off' state.

RL
Jeff Layman
2024-08-20 17:19:40 UTC
Permalink
Post by legg
It's come to my attention that chinese products with
black-white color coded line cords are regularly
miswired with black-neutral, white-live. These
will regularly be marked as CE - their sole safety
qualification.
A "CE" mark on a product manufactured in China should be considered
meaningless:
<https://www.cemarkingassociation.co.uk/ce-marking-and-the-chinese-export-logo/>
--
Jeff
bitrex
2024-08-20 18:20:15 UTC
Permalink
Post by Jeff Layman
Post by legg
It's come to my attention that chinese products with
black-white color coded line cords are regularly
miswired with black-neutral, white-live. These
will regularly be marked as CE - their sole safety
qualification.
A "CE" mark on a product manufactured in China should be considered
<https://www.cemarkingassociation.co.uk/ce-marking-and-the-chinese-export-logo/>
"The CE Marking Association has held the view for a long time that the
China Export mark is not valid mark and it is actually just the European
CE mark that does not respect the dimensions and proportions given
within the Directives."

IOW it's just fraud.
john larkin
2024-08-20 23:26:24 UTC
Permalink
Post by Jeff Layman
Post by legg
It's come to my attention that chinese products with
black-white color coded line cords are regularly
miswired with black-neutral, white-live. These
will regularly be marked as CE - their sole safety
qualification.
A "CE" mark on a product manufactured in China should be considered
<https://www.cemarkingassociation.co.uk/ce-marking-and-the-chinese-export-logo/>
It's not so meaningful in other places. Some Brit guys that I worked
with in Oxford explained that CE means Cant Enforce. They buy reels of
stickers and slap them on.

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