Subj.758 Section 2 Page 2550 Issued:1972-01-07
Style 2550 Multiple-Conductor with Extruded Insulation and Non-Integral Jacket

Rating90 deg C, 600 Vac, Cable flame.
Conductor40 AWG minimum solid or stranded
InsulationLabeled or complying with Manufacturer'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 or heavier PVC covering may be extruded over the conductor assembly.
JacketExtruded PVC
Diameter of core assembly under jacket (inches) ¿Minimum average thickness (mils)Minimum thickness at any point (mils)
0.700 or less6048
2.501 and larger140112
StandardAppliance Wiring Material UL 758.
UseInternal wiring or External Interconnection of Electronic Equipment.

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