Home / Installation / GIT-1 What gauge wire should be used for the GIT-1? GIT-1 12 AWG 3-wire jacketed cable should be used when extending over 500’ from the controller up to 2000’. 18 AWG 3-wire jacketed cable should be used up to 500’. Underfloor Heating Thermostats Heated Floors Further Questions? Installation How far from the controller can the GIT-1 sensor be placed? How to Complete an Effective GIT-1 Installation Installing the GIT-1 sensor Miscellaneous questions Is the GIT-1 sensor high or low voltage? At what temperature does the GIT-1 sensor activate? Wiring What gauge wire should be used for the GIT-1?