Test Lead Wire Roll Length 1 000 ft Color Black Insulation Material Rubber Nominal Outside Diameter 0.145 in Stranding 65 AWG/36 Tinned Copper Conductor Wire Size 18 AWG Maximum Voltage 5 000 V Minimum Temperature Measurement -40 Degrees F Maximum Temperature Measurement 194 Degrees F Standards RoHS Compliant Directive 2011/65/EU