UL3143

Style 3143 Silicone Rubber-Insulated Wire.
Rating 200 °C, 600 Volts.
Conductor No. 18-12 AWG solid or stranded of nickel or copper. All
copper shall be tin, nickel or silver coated. If tinned
copper strands are used they shall be 0.0152 inch in
diameter or larger.
Insulation Nominal 1/16 inch wall silicone rubber, Class 22.
Covering None.
Standard Appliance Wiring Material UL 758.
Instructions Same as for Type SF-2 Fixture Wire but omit Insulation
to UL Resistance Test, and Vertical Flame Test.
Representative Spark Test.
Flame Test.
UL (4) Same as for Type SF-2 Fixture Wire; aging shall be
Counter-Check conducted annually, omit Vertical Flame Test.
Program (4) Flame Test.
Marking General.
Use Internal Wiring of Appliances where totally enclosed.