Subj.758 Section 2 Page 20851 Issued:1994-06-16
Style 20851 Multiple-Conductor Cable Using Extruded Non-Integral Jacket

Rating60 or 80 deg C, 30 Vac, Cable Flame for Construction A, Horizontal Flame for Construction B.
Conductor40 AWG minimum.
InsulationLabeled or complying with Manufacture's AWM Procedure.
AssemblyConsists of two or more conductors, twisted pairs or groups of twisted conductors twisted together. The conductors or groups of conductors may be laid parallel forming a flat, oval or round cable. The lay of the conductors is not specified. A barrier layer and/or fillers are optional. Manufacturer shall maintain a complete description of each assembly. May use same or mixed AWG size.
CoveringOptional. A 6 mil thick or thicker PVC covering may be extruded over the conductor assembly.
JacketExtruded FRPE
Construction A External UseConstruction B Internal Use
Diameter of core assembly under jacket (inches)Minimum average thickness (mils)Minimum thickness at any point (mils)Minimum average thickness (mils)Minimum thickness at any point (mils)
0.350 or less20171512
Major diameter if cable is flat or oval
StandardAppliance Wiring Material UL 758.
UseConstruction A: Internal wiring or external interconnection of electronic equipment in Class 2 circuits only. Construction B: Internal wiring of electronic equipment in Class 2 circuits only.

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