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Subj.758 Section 1 Page 1137 Issued:1959-05-01
Revised:2023-07-11
Style 1137 Single conductor with extruded insulation.

Rating105 deg C, 300 Vac, Horizontal flame.
ConductorNo. 28 AWG or larger solid or stranded resistance wire alloy, or minimum 1.3 mils diameter resistance wire wound for a minimum of 10 turns per inch on a Rayon, Cotton, Polyester, Fiberglass, or Nylon yarn core. Core may be coated with Silicon Rubber.
InsulationPVC, 30 mils min average, 27 mils minimum at any point.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseInternal Wiring.

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