Fry a GFCI with radio waves

Rob Seastrom rs at seastrom.com
Tue Aug 12 13:32:49 CDT 2014


Dan Romanchik KB6NU <cwgeek at kb6nu.com> writes:

> http://www.wired.co.uk/news/archive/2014-08/11/hacker-fries-hair-dryer

We've definitely had a problem with my pal's Thermal Arc 161 sending
enough hash back up the line to make GFCIs (oddly ones on *other*
circuits, sometimes even circuits on the other leg, but never the one
that it's plugged into) unhappy.  Only happens when it's plugged into
120 oddly enough - when plugged into 240 it's smooth sailing.

I'm hoping that when I get my IdealArc 250 (big 'ol linear arc welder
with a transformer that weighs more than I do in it) back from my
friend, it'll exhibit sane behavior and not blow anything up.  :)

-r




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