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Re: Adding a third keypad to a Caddx NX-8, wiring help requested!



Tech support for the GE Networx line of panels stated; "Never use shielded
cable for any data bus device"..... That's the only wiring restriction for
their keypads....

Regards, Russ

"Karl Magnus" <magnus@xxxxxxxxxxxxxx> wrote in message
news:vuBNe.37819$rp.31847@xxxxxxxxxxxxxxxxxxxxxxxxx
>
>>
>>>Of course, they could be full of shit,
>>
>>
>> They are.
>>
>>
>
> Other types of wire you may need to know about include shielded, twisted,
> and stranded. Shielded wire traps and drains (among other things) RF
> interference and AC induction away from sensitive data circuits. Remember
> to ground only one side of the shield to an earth ground connection.
> Grounding both sides to the ground creates a giant dipole antenna and
> introduces damaging interference instead of draining it away. Twisted wire
> reduces the amount of interference, but just not as effectively as
> shielded.
>
> from: http://www.svconline.com/mag/avinstall_wiring_success/
>
> I guess they are also lying when they say this. "Twisted wire reduces the
> amound of interference...."
>




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