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Cable Asylum Interconnects, speaker wire, power cords. Ask the Cable Guys. |
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In Reply to: Copper pipe as opposed to steel conduit, anything to be gained RFI/EMI wise? posted by dmzwizard@yahoo.com on November 16, 2006 at 10:29:31:
speaking theoretically, steel pipe will be a far better broadband shield than copper.For electrostatic noise (this is high frequency noise such as RFI), copper or steel with both make excellent shields. You want the lowest resistance path to ground to be the most effective.
However, for low frequency electromagnetic noise, the copper pipe will be one step above useless. Magnetic fields can only be shielded using materials that have high magnetic permeability. Steel has quite decent permeability while copper has extremely low permeability. So, magnetic fields will go right through the copper, but the steel will do an excellent job of rerouting and containing the fields.
So, you are far better off using a steel pipe than a copper pipe if you want broadband shielding.
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- Can't recommend anything not to code, but... - apblake 16:39:28 11/17/06 (0)
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