REFLECTOR: Intercom question

[Scott Derrick]

agreed 

Glenn Falkenberg <airmech2 at gmail.com> wrote:

>I think the best way would be use a shielded twisted pair.  Float the
>shield at the Jack and take shield to ground at intercom panel.
>On Feb 17, 2013 4:25 PM, "Dan Schindler" <danpilot91 at gmail.com> wrote:
>
>> My friends airplane intercom is wired in such a way that each jack only
>> has 1 wire running to it. Utilizing the shielded portion of the wire as the
>> common ground. Is this an acceptable way to do this. He is getting feedback
>> in his headset when he pushes the PTT.
>>
>> Thank you,
>>
>> Dan Schindler
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