Danfoss 088L3505 Roof And Gutter Cable, RX TYPE, 1 Core, 2 Conductor, Copper/Copper Alloy Conductor, 1/4 IN Outside Diameter, 120 V, 4.5 AMP, 535 WTT, 23.1 OHM, Temperature Rating: 105 DEG C, Teflon FEP Insulation, Jacket Material: PVC, Length: 120 FT, Weight: 7 LB, UL Listed, C/US CSA Certified Standard, For Used On Top Of Plywood, Concrete Floor, Cement Board, Insulation Board Application