Wire and Cable: A No-Brainer?

摘要

MOST NOISE REDUCTION AND REJECTION COMES NOT FROM SHIELDING, BUT FROM THE 'LAY OF THE TWIST' OF THE TWISTED-PAIR CABLE ITSELF. WITH ALL THE VARIED AND COMPLEX measurement, control, and network hardware and software the typical automation professional is expected to specify, it would be nice to have a few things that didn't require much stress or scrutiny. Wire and cable once was pretty simple. For point-to-point analog and discretes, we just bought the same thing all the time, without many concerns beyond price and availability.