APPLIANCE WIRING MATERIAL
Subj.758 Section 3 Page 3221 Issued:1967-07-13
Revised:2012-04-06
Style 3221 Single conductor with extruded insulation

Rating150 deg C, 300 Vac, Horizontal Flame.
Conductor28 AWG or larger, solid or stranded, Resistance Wire Alloy.
InsulationExtruded SR, 45 mils min average, 40 mils minimum at any point. See facing page for compound identification.
StandardAppliance Wiring Material UL 758.
MarkingGeneral.
UseFor use only as refrigerator defrost heater wire where not subjected to flexing or motion and where exposed to temperatures not exceeding 150 deg C.

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