APPLIANCE WIRING MATERIAL
Subj.758 Section 4 Page 4440 Issued:1995-12-06
Revised:2012-04-16
Style 4440 Multiple-conductor cable using non-integral jacket.

Rating90 deg C, 2000 Vac, Horizontal flame, Wet Resistant 90 deg C, Sunlight resistant.
Conductor8 AWG - 4/0 AWG solid or stranded, tinned or bare copper.
InsulationLabeled or complying RHW conductors
AssemblyThree or four 8-4/0 AWG power conductors twisted together with two 10-14 AWG control wires added. Each control conductor shall be in a separate interstice between the power conductors. The maximum length of lay shall be 21 times the diameter of the power conductor for assemblies having 3 power conductors and 23 times the diameter for assemblies with 4 power conductors. The direction of length of lay shall be left hand. Nonhydroscopic fillers shall be provided as needed to ensure that the finished cable is round. The jacket may be applied in one or two layers. If applied in two layers, the outer jacket shall constitute at least 50% of the total jacket thickness. Single or two-layer jackets shall be reinforced by two servings or a braid of a suitable natural or synthetic material. The dia of the reinforcing shall not be greater than 35 mils. If two servings are used, they shall be applied in opposite directions of lay. The reinforcing material shall be under the single layer jacket and under or between the layers of a two-layer construction.
CoveringOptional nonmetallic braid, type, or wrap may be employed.
JacketExtruded CP or Extruded CPE or Extruded NBR/PVC, 125 mils minimum average thickness, 100 mils minimum thickness at any point.
StandardAppliance Wiring Material UL 758.
MarkingOptional Markings - "-50 deg. C", "Sunlight Resistant".
UseInternal wiring.

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