Subj.758 Section 2 Page 21570 Issued:2007-08-13
Style 21570 Multiconductor Cable with Extruded Non-Integral Jacket

Rating105 deg C, 150 Vac, horizontal flame, cable flame.
ConductorStranded, 18, 16, 14, 12 or 10 AWG. Stranding same as for SPT-3 in UL 62.
InsulationExtruded PVC. 18 and 16 AWG, 45 mils min average, 40 mils minimum at any point; 14 AWG, 65 mils min average, 58 mils minimum at any point; 12 AWG, 80 mils min average, 72 mils minimum at any point; 10 AWG, 95 mils min average, 85 mils minimum at any point.
AssemblyTwo insulated circuit conductors and one insulated grounding conductor laid parallel. The grounding conductor shall have green or green/yellow insulation of 15 mils minimum average thickness and 13 mils minimum thickness at any point. The grounding conductor shall be centrally located.
ShieldAluminum foil with 100 percent coverage over the insulated circuit conductors, and a braided shield composed of 36 - 34 AWG copper wires and with 30 percent minimum coverage over the foil.
JacketExtruded PVC, 25 mils min average, 20 mils minimum at any point
StandardAppliance Wiring Material UL 758.
UseInternal wiring and external wiring installed where Type SPT-3 is required in LCDI's and the final acceptance of the component is dependent on its installation and use in or with complete equipment submitted to Underwriters Laboratories Inc.

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