This NMD90 Nylon has a voltage rating of 300 volts; maximum conductor temperature: 90 C; cold temperature rating: -25C; and flame test rating: FT1. It conforms to: CAS Standard C22.2 no. 48 and has CSA Approval (file) number: LL7319C. The picture is not exact. The conductor: stranded copper; insulation: heat resistant PVC; and protective sheath: nylon is extruded over the PVC insulation. Ideal for use in baseboard heaters and electric furnaces.