Hook-Up Wire UL 1007, UL 1569, CSA TR-64 Electronics Product Construction: Conductor: 24 thru 16 AWG Fully annealed tinned copper per ASTM B33 Solid or stranded Insulation: Premium-grade, coIor-coded PVC Temperature range: -20˚C to +105˚C Color code: See chart below Applications: Internal wiring of electrical and electronic equipment Internal wiring of panels and meters Point-to-point wiring S.