Subj.758 Section 3 Page 3129 Issued:1960-09-21
Style 3129 Single conductor with extruded insulationl.

Rating150 deg C, 300 Vac, Horizontal flame.
ConductorMinimum 0.0015 in. diameter resistance wire alloy spirally applied around a glass "Aramid" fiber core with a minimum of 20 turns per inch.
InsulationExtruded SR, 45 mils min average, 40 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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