Subj.758 Section 3 Page 3153 Issued:1960-12-19
Style 3153 Single conductor with extruded insulation

Rating150 deg C, 300 Vac, Horizontal flame.
ConductorMinimum 0.0015 inch diameter Resistance Wire Alloy spirally applied around a glass fiber core with a minimum of 20 turns per inch.
InsulationExtruded SR, 15 mils minimum average, 13 mils minimum at any point.
StandardAppliance Wiring Material UL 758.
UseFor use only as Refrigerator Defrost Heater Wire where not subjected to flexing or motion, where totally enclosed in metal tubing, raceway or the equivalent.

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