Chuck,
I had this problem in my carpeted shack with a desk chair rolling around
on a vinyl chair pad. After a little testing I determined that the metal
case of the K-Pod is not grounded.
The KPod uses a straight-through 6 conductor cable with identical RJ
connectors on each end. I built a slightly longer cable for my KPod,
using 6 conductors of a stranded 8 conductor flat ethernet wire. A 7th
conductor provides chassis ground from the K3 to the metal case of the
KPod.
I have had zero issues since grounding the K-Pod case.
-larry (K8UT)
------ Original Message ------
From: "Chuck Milam, N9KY" <[email protected]>
To: "Elecraft Mail List" <[email protected]>
Sent: 2018-03-15 11:08:03
Subject: [Elecraft] Static Discharge Through K-Pod
Greetings, All!
I'm getting static electricity shocks through my K-Pod case, and I need
some suggestions for mitigation.
Background: I keep my K-Pod on my operating desk just to the right of
the
shack computer mouse. I've noticed when I walk over to the desk and
grab
the mouse, the K-Pod will beep. Further investigation shows I'm
getting
static electricity discharge from my finger through the K-Pod, this
morning
I even noticed an arc from my pinky finger to the K-Pod case. When the
K-Pod beeps, the D1 and D2 lights will cycle.
The shack is carpeted, and I have a rolling chair on one of those
plastic
chair mats (which can probably go away if necessary,) I suspect that
mat is
probably contributing to the static problem.
Obviously, I don't want static electricity discharging through my K-Pod
and
then through my K3. I'd welcome any ideas for static mitigation
strategies. I was thinking some sort of grounded mouse/keyboard mat,
which
used to be more common, but seem hard to find these days.
73,
Chuck Milam, N9KY
[email protected]
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