The STAUBLI 61.7630-22 wire is a single core, stranded, oxygen-free copper wire with a diameter of 0.5mm that is insulated with a red silicone sheath which has a voltage rating of 5kV, making it suitable for Class 6 high voltage applications. The wire is SILI-HV certified, meaning it is resistant to oil, gasoline, acids, bases, aliphatic compounds, and other organic solvents.