Flexible stranded tinned, annealed copper per ASTM B33.
14 AWG - 2 AWG
Silicone Rubber with a fiberglass braid over the insulation.
The conductors are cabled together with a left hand lay and bound with a polyester tape. An Aramid fiber braid, treated with a high temperature saturant, covers the core and a stainless steel braid is applied overall.
Used for wiring in locations, such as furnaces, that may expose the cable to molten metal or glass.