18 awg,spt-1 wire 1.UL Listed and CSA Approved. 2.length can be designed by customer,50feet,100feet, or others. 18 awg, ... spt-1 wireAccessories - Wire, zip cord, 18 gauge, green, SPT-1, 1000 feet, spool 1.Standard insulated, two conductor ... a rib on one conductor for polarity indication. 2.18 AWG SPT-1: 18 gauge copper. Stranding: 41 strands/ 34 gauge. Insulation ...