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 Post subject: shielding
PostPosted: Thu Jun 22, 2017 3:30 pm 
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Walnut
Walnut

Joined: Wed Jul 29, 2015 12:40 pm
Posts: 34
First name: Richard
Last Name: Bello
City: Weymouth
State: Ma
Zip/Postal Code: 02189
Country: Usa
Focus: Build
Status: Amateur
I am in the process of rewiring an old LP style Guild and replacing most everything. The new pups are duncan can 4 wire humbuckers. I have used coax cable for all my long runs and dutifully assured that all the shielding goes to ground. The pup cable has the 4 insulated leads plus a bare ground. It is also has a thin foil wrapping under the outside covering which I assumed to be shielding but from what I can tell it is nonconductive. Infinite resistance between it and the bare ground that is touching it. Can anyone help to explain what this is? If it is shielding how does it work if not grounded? Lastly, if its not shielding then should this cable have external shielding like all the rest - its kind of a long wire. Thanks.


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 Post subject: Re: shielding
PostPosted: Tue Sep 19, 2017 6:38 am 
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Cocobolo
Cocobolo
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Joined: Mon Dec 28, 2015 10:15 pm
Posts: 110
Location: South Bend IN U.S.A.
First name: Bob
Last Name: English
City: South Bend
State: IN
Country: U.S.A.
Focus: Build
Status: Professional
It is metallic shielding coated with a polymer on the outside to strengthen it. You need to touch the multi meter probe to the inside to test it and get a reading!

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