Standard insulated, two conductor white cord with a rib on one conductor for polarity indication. 18 AWG SPT1: 500 foot Spool, 18 gauge copper. Stranding: 41 strands/ 34 gauge. Insulation Thickness: 0.030. Working Voltage: 300V AC. Temperature Range: 105 degrees C. UL Listed and CSA Approved. TCLE-SPT1-500-GR / SPT-500-Gr /. This item is in the […]