Subj.758 Section 1 Page 1321 Issued:1962-11-26
Style 1321 Single conductor with extruded insulation and non-integral extruded covering

Rating90 or 105 deg C, 600 Vac, Horizontal Flame, Oil Resistant 60 deg C or 80 deg C.
Conductor250 kcmil - 1000 kcmil AWG or smaller stranded.
InsulationExtruded PVC
conductor sizemils minimum averagemils minimum at any point
250-500 kcmil6054
501-1000 kcmil7063
CoveringExtruded Nylon in 8 mil minimum thickness for Sizes 250-500 kcmil and in 9 mil min. thickness for sizes 501-1000 kcmil.
StandardAppliance Wiring Material UL 758.
UseInternal Wiring.

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