Hi Kirk,
While the latter may offer more protection than nothing at all, I have been
trained to use the former method. Grounding the ESD mat and wrist strap to
a true earth ground will properly "siphon" off any residual static charge.
The wrist strap should measure approximately 1 Megaohm to ground as there is
an integral resistance in the cord which will prevent you from becoming a
human fuse in the event of a dangerous/lethal voltage coming into contact
with the mat.
I expect there will be others who will weigh in on this, but I can tell you
my training came from well over 25 years in field service, 16 of which were
with Hewlett-Packard. At H.P. I had to be recertified every year in ESD
prevention techniques, not to mention a slew of other things (like
electrical safety). H.P. didn't mess around.
Best of luck.
Vin KR2F
K1-4 s/n:1977
KX1 s/n:1476 (under construction)
----- Original Message -----
From: "Kirk Brown" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Saturday, July 22, 2006 10:14 AM
Subject: [Elecraft] ESD question
Hi all,
How do you correctly use an ESD wrist strap when building a K2? Can I
directly plug it into the ground terminal of a regular socket (it
appears to be made to fit) or can I connect it to the chassis to
ensure no potential exists? The only time I've used a strap was a case
where I had a specific grounding bus to connect it to.
Thanks!
--
"Do the right thing. It will gratify some people and astonish the
rest." ~Mark Twain
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