Check out MCM; http://electronics.mcmelectronics.com/?N=3D&Ntt=3D8451&x=3D0&y=3D0 It's only available in 1000' length with discount price of $254.00. Send=20 me privately, and I'll get you the discount code. Besides Belden, they=20 also stock carol, and others. They are big into professional audio,=20 security, CATV, SATV, etc. Located near Dayton, Ohio (South west Ohio).=20 Have dealt with them many times, they are good. They have many other=20 varieties of cable, some in short lengths. Call them 1-800-543-4430. If=20 you get on their mailing list, the prices are much reduced. I can't speak to the application, it's not in my turf. On 3/9/2011 9:24 PM, Jesse Lackey wrote: > Hello all, I normally use a twisted pair from cat5 cable (or the whole > cable, 2 wires for signal and 1 or 2 for ground as per DMX spec) for > rs485 stuff, but I'd like to get some cable ideal for rs485 with 120ohm > termination. I need to run some short (3-4 foot run) that has to be > near power cables with 20+ amps on them. And, I get asked by customers > about cabling for DMX, and I'd like to have a pointer to "the best" to > give them. > > Various combinations of individual pair-shield and overall-shield > options exist in cat5e/cat6/cat6e but I'd prefer something that is only > a single pair. > > Right now this: > > is my top pick. > > Opinions? > > If using only 1 pair of a cat6 cable is "the standard way", please let > me know. > > Thanks. I'm in the USA. > J > =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .