When I was doing that kind of work the premises wiring was done with solid but all the jumpers and anything that was plugged and unplugged regularly was stranded. The solid was more prone to breaking at the plug than the stranded was.
Our practice was to have the return of a circuit paired with the signal. For ordinary RS-232 Tx would be on one pair and Rx on another. the second wire in each pair would be connected to signal ground. Yes, that meant that there were multiple wires running signal ground. For things like RS-422 that were balanced, both the + and - were always in the same pair. That was our plant policy. Jim K9YC can tell us if it was a good policy. He knows what is best more than I do. David K0LUM At 8:31 PM -0700 6/7/11, Brian - N5BCN wrote: >Thanks to Don and Jim for their input on building a RFI resistant control >cable. > >I've been informed by another poster that it's recommended to use stranded >CAT5 or 6 verses solid wire. The poster believes stranded wire would be >more resistant to flexing, plugging, unplugging, etc. than solid wire. > >One last question on this issue: > >I've come across some nice (stranded) CAT6 cable that has a shield and a >drain wire. I'll have a decision to make on what to do with the shield, but >is there a consensus (or not) on what to do with the drain wire? > >73 N5BCN - Brian > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
