These requirements cover single-conductor@ 18 ?C 10 AWG@ gas-tube-sign cables with temperature ratings of 105???C 250??(221???C 482??@ and ratings of 5000 volts@ 10000 volts@ or 15000 volts. The cables are for use with gas-tube systems for signs@ outline lighting@ and interior lighting in accordance with the National Electrical Code and the Standard for Electrical Signs (UL 48). Assemblies that include these cables and are intended for use as components of gas-tube signs shall meet the requirements in the Standard for Electric-Sign Components@ UL 879.