Subj.758 Section 2 Page 21531 Issued:2006-12-19
Style 21531 Multiple Conductor Cable using Non-Integral Jacket

Rating80 deg C, Voltage Not Specified, VW-1 Flame (Construction A Only).
ConductorMin. 40 AWG, Solid or Stranded.
InsulationLabeled or complying with manufacturer's AWM procedure.
AssemblyConstruction A - Two or more groups of conductors labeled or complying with manufacturer's AWM Procedure and having a temperature and voltage rating equaling or exceeding the rating of the cable. These groups are laid parallel with an overall extruded expanded PTFE jacket with THV film and these groups are joined together by an interconnecting web. The lay of the conductors within each group is not specified. Barrier layer and/or fillers and strength members are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG. Construction B - Same as Construction A except employs extruded TPU tubing cores.
CoveringOptional inner layer.
JacketNon-Extruded, consists of Extruded Foamed PTFE with Inner Extruded THV Layer. See Table below:
Materialmils min. averagemils min. at any point
StandardAppliance Wiring Material UL 758.
UseConstruction A: Internal wiring. Construction B: For Further Processing into Jacketed Cables or Internal Wiring without Flame Rating.

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