JB1807 is a 18 AWG, 7×26 stranded tinned copper configuration in the TYPE-B PVC line. The higher flexibility vs. solid aids routing in panels and harnesses while maintaining durability and flame retardance. Rated −55°C to 105°C and 600 V RMS with thin-wall PVC insulation (.010"), supplied in 1000 FT and 5000 FT put-ups.