Hookup Wire, Wire Size 20 AWG, Length 100 ft, Trade Designation CSA TR-64, UL 1007, UL 1569, Wire Color Black, Nominal Outside Dia. 0.07 in, Voltage 300 V, Insulation Material PVC, Conductor Design Stranded, Temp. Rating -4 Degrees to 221 Degrees F, Stranding 10 x 30, Jacket Color Black, Standards UL Style 1569 (UL 221 Degrees F, 300V), CSA TR-64: 194 Degrees F, 300V, RoHS Compliant Directive 2011/65/EU, Designed to meet UL VW-1 Vertical Wire Flame Test Hookup wire is a small- to medium-gauge (24 to 8 AWG) insulated wire used to make internal connections inside enclosed electrical or electronic devices. It is typically used to supply power in low-voltage, low-current applications such as control panels, meters, ovens, and electronic equipment. It is resistant to acids, oils, and moisture a.