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Ignition Wire (UL 3257)

Part Number AWG SizeConductor StrandingNom. Insul. Thick. (in)Nom. O.D. (in)Nom. Dia. of Cond.Approx LBS/MFT
3257-22 22 7/30 .078 0.1900 .030 17.00
3257-20 20 10/30 .078 0.1970 .038 19.00
3257-18 18 16/30 .078 0.2070 .050 22.00
3257-16 16 26/30 .078 0.2210 .062 27.00
3257-16-HW* 16 26/30 .110 0.2780 .062 41.00
3257-14 14 41/30 .078 0.2360 .080 34.00
3257-12 12 19/25 .078 0.2520 .090 44.00

Ignition Wire, UL 3257 Hook Up Wire
Silicone Rubber Wire
UL Recognized Lead Wire

 

 

 

 

 

RoHS Hook Up Wire RoHS Compliant

Ignition Wire Construction:

  • Conductor: Stranded nickel plated copper
  • Insulation: Extruded SR, silicone rubber (78 mils min average, 70 mils minimum at any point to meet UL Style 3257)
  • Insulation Color: Red
  • Sizes: Available in sizes ranging from 22 AWG - 12 AWG

Ignition Wire Ratings and Approvals:

  • Temperature Rating: -80°C to 250°C
  • Voltage Rating: 10KV AC, 25KV DC
  • Flame Resistance: Passes UL Horizontal Flame Test
  • UL Recognized: meets UL 3257 specification
  • UL Appliance Wiring Material (AWM wire) under UL 758 standard

Ignition Wire Applications:

  • UL 3257 wire may be used for internal wiring in gas-fired heaters and furnaces where it is protected from damage during handling, installation, and servicing. This UL approved wire may also be used in oil-burner ignition circuits and gas appliance ignition systems where it is not subject to repeated flexing.

Customization Services for UL 3257 Wire include: