Clay,
Use twisted pair wire between the switch and the RCA Plug. The tighter
the twist the better.
If you use that, there is no need for shielding.
If you do use a shield, connect it to the outside of the enclosure of
the K3S (the RCA jack is grounded, but not to the outside of the enclosure).
73,
Don W3FPR
On 3/12/2016 4:46 PM, Clay Autery wrote:
Hooking up a Linemaster Clipper Model No. 632-S to my K3s rear PTT RCA jack.
Obviously, the RCA is 2-conductor unbalanced and there is no issue about
which terminals to use on the foot switch for normally open switching.
BUT, I want to make sure the foot switch cable is never an issue for RFI
in or out.
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