Check the listing for details. High Voltage 20 AWG UL 1911 250C 25,000 VDC Orange PFA (25KVDC). Condition: New. Listed at 29.99 USD. UL 1911 offers smallest outside diameter of 250°C hi volt wires for ease in installation and lower assembly costs. It has mechanical toughness and low coefficient of friction allows “pull” installation of long lengths, as well as outstanding chemical and fluid resistance. It is also heat aging and ozone resistant. Easily stripped and terminated. Stranded Nickel Plated Copper with PFA insulation.UL 1911 offers smallest outside diameter of 250°C hi volt wires for ease in installation and lower assembly costs. It has mechanical toughness and low coefficient of friction allows “pull” installation of long lengths, as well as outstanding chemical and fluid resistance. It is also heat aging and ozone resistant. Easily stripped and terminated. Stranded Nickel Plated Copper with PFA insulation.