APPLIANCE WIRING MATERIAL
Subj.758 Section 4 Page 4277 Issued:1977-09-14
Revised:2019-11-07
Style 4277 Multiple-conductor cable using non-integral jacket

Rating105 deg C, voltage not specified, Cable flame.
Conductor30 AWG - 9 AWG solid or stranded.
InsulationLabeled or complying with manufacturer's AWM procedure, 5 mils min average.
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 would be applied immediately over the twisted assembly of individual conductors or groups of conductors.
ShieldOptional.
JacketCP
dia of cable under jacket
0.425 inches or less45 mils min average36 mils min at any point
0.426-0.700 dia60 avg48 min
0.701-1.500 dia78 avg62 min
1.501-2.500 dia109 avg88 min
2.501 dia or larger140 avg112 min
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal Wiring or External Interconnection of Electronic Equipment.

UL and the UL Logo are trademarks of UL LLC © 2024