I don't think coaxs have a 'return' on the actual cable. The outside part of a c... | Hacker News

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icegreentea on Feb 15, 2011 | parent | context | favorite | on: How I made an HDTV antenna so I could watch Jeopar...

I don't think coaxs have a 'return' on the actual cable. The outside part of a coax is just a screw for holding the cable in place. It could be made with plastic for all it matters.

bryanlarsen on Feb 15, 2011 | [–]

Nah, it's to ground the shield. Shields work marginally better when grounded, but the difference is minor.

kash on Feb 15, 2011 | [–]

dont you need the outside to ground two devices together?

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