Spectrum Controls 1756sc-IF8u - Manual (Page 19)

Chapter 1: Module Overview
7
Table 1.8 Cable Specifications
Description Belden #9501 Belden#9533 Belden#83503
For 2-wire RTDs and 3-wire RTDs and 3-wire RTDs and
potentiometers.
potentiometers. Short potentiometers.
When used? Long runs less than 100 feet runs greater than 100