APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 20409 Issued:1985-07-25
Revised:2012-01-12
Style 20409 Flat Ribbon Cable

Rating90 deg C, 30 Vac, Horizontal flame.
Conductor40 AWG - 20 AWG material not specified.
InsulationETFE or FEP or PFA or PTFE, TFE, 3 mils min average, 3 mils minimum at any point. PTFE or FEP may be cellular. One or two layer spiral tape wrap using above material with minimum 50 percent overlap 3 mils minimum insulation thickness at any point.
AssemblyTwo to 300 conductors, same or mixed AWG. Singles laid parallel to form ribbon cable. (Optional) Singles may be separated at web portions intermittently along the lengthwise direction of the cable. Insulation is built with inner covering (optional), shield (optional), and outer covering.
Shield(Optional) - Drain wires may be embedded in web of covering in physical contact with shields.
CoveringInner - Optional - Extruded PTFE, PFA, FEP, or ETFE, or Spirally wrapped polyethylene terephthalate (PETP) tape using PVC or polyester adhesive. Lay not specified. Outer - Covering Extruded PVC, 3 mils minimum at any point. PTFE, PFA, FEP or ETFE, 2 mils minimum at any point.
BraidOptional.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal Wiring of Class 2 Circuits in Electronic Equipment.

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