APPLIANCE WIRING MATERIAL
Subj.758 Section 2 Page 21395 Issued:2004-12-21
Revised:2011-11-10
Style 21395 Parallel cable with extruded integral insulation and jacket

Rating105 deg C, 300 Vac, FT2 flame.
Conductor18 AWG - 10 AWG stranded. May use same or mixed AWG size.
InsulationExtruded PVC. 15 mils minimum average, 13 mils minimum at any point.
AssemblyFour conductors, same as type SPT-3. Four insulated circuit conductors and one 26 AWG insulated drain wire, laid parallel in three groups consisting of 1) one circuit conductor plus drain wire, 2) one circuit conductor, and 3) two circuit conductors. Pairs of conductors within each group are in contact with each other. Web separates groups of conductors.
ShieldOptional, around insulated conductors.
JacketExtruded PVC.
Wire sizeMinimum average thicknessMinimum thickness at any point
18-16 AWG35 mils30 mils
14 AWG55 mils47 mils
12 AWG70 mils60 mils
10 AWG80 mils68 mils
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseFor use where:-Type SPT-3 or equivalent is required;

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