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Original thread:
Post 24 made on Wednesday February 7, 2018 at 17:16
Brad Humphrey
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February 2004
1,602
Eric,
All the Belden docs talk up the extra shielding. But as everyone mentions, interference is usually never an issue, even with dual shield (foil/braid). So it is a moot point and has nothing to do with what I'm talking about.

The resistance benefit of quad. Just like 18awg wire has less resistance than 20awg. And 16awg better than 18awg. So does the outer conductor on coax, where quad shield has a lower resistance than dual shield. This helps in lowering the overall resistance on any given run. Simple law of physics, nothing complicated.
Not sure what is being missed here in the resistance equation. Are you trying to say that a thick piece of 10awg wire, doesn't do any better than an 18awg piece of wire at transferring power?


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