Stranded tinned, annealed copper per ASTM B33.
18 AWG - 500 MCM
Silicone Rubber. A fiberglass braid jacket is applied over the insulation, then covered with an extruded FEP fluoropolymer jacket.
UL Style 3568. CSA:AWM Class 1 Group A/B
Used in environments where wire will come in contact with chemicals, oil, or gas. The wire can be directly immersed in water. It can also maintain circuit integrity in equipment where high temperature and/or hazardous conditions exist requiring flexible, heat resistant conductors at 600 volts.