Subj.758 Section 4 Page 4401 Issued:1989-11-16
Style 4401 Multiple-Conductor Cable Using Extruded Non-Integral Jacket

Rating60 deg C, 300 Vac, Cable flame.
Conductor30-14 AWG solid or stranded round, tinned or bare.
InsulationLabeled or complying with manufacturer's AWM procedure.
AssemblyTwo or more individually insulated conductors or groups of insulated conductors cabled together. All conductors in any group twisted together. If more than one group is used, groups shall also be twisted together. The length of lay of the twisted conductors or groups is not specified. A barrier layer, if employed, may be a fibrous wrap serving, or braid; paper; nylon; oriented polyethylene terephthalate; or a thermoplastic-tape wrap. Such a barrier layer would serve to protect the cable during further processing, and is applied immediately over the twisted assembly of individual conductors or groups of conductors.
ShieldApplied as a wrap or metallic braid or a wrap of aluminum faced polyester tape. An uninsulated drain wire may be used. The shield may be over one or more of the insulated conductors or applied between the conductor assembly and the optional covering.
JacketExtruded XLPO
Diameter of core assembly under jacket (inches)Minimum average thickness (mils)Minimum thickness at any point (mils)
0.425 or less3024
StandardAppliance Wiring Material UL 758.
UseInternal wiring or external interconnection of appliances or electronic equipment.

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