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Routing and Protecting

Wiring Duct

Wiring Duct Material Properties Physical PropertiesMaterialASTM MethodTest UnitsTest Results Specific Gravity (Gray) PVC D-792 — 1.4 Durometer Hardness PVCD-2240Shore Hardness80D Flexural Strength PVC D-790 psi 12,000 Modulus of Elasticity (Tension) PVCD-638psi360,000 Dielectric Constant- 60 cps @ 30°C 60H PVCD-150—3.9 Dielectric Constant-1,000 cps @ 30° C 10
6 H PVC D-150 — 3.3 Coefficient of Thermal Conductivity PVCD-177btu/in.hr.FT
2 /°F1.3 Coefficient of Linear Expansion PVC D-696 in./in./OF 4.0 x 10
-5 Heat Deflection Temperature (264 psi) PVCD-648°F155 Tensile Strength (+73°F) PVC D-638 psi 6,600 Izod Impact Strength (+73°F) PVCD-256ft. lbs./in. notch15 Flame Resistance PVC D-635 — Self-extinguishing UL Standard 94 PVC.029 and .06294V-O Wiring Capacity Duct Size (WxH)Duct Area (Sq. In.)12 AWG14 AWG14 AWG16 AWG18 AWG22 AWGWire O.D.0.1580.1650.1390.1250.1130.065 .5x.5 0.18 5 4 6 7 9 27 .5x1 0.3810913151957 .75x.75 0.28 7 7 9 11 14 42 1x1 0.7311917243036110 1x1.5 1.15 29 27 38 47 57 173 1x2 1.5644037526478236 1x3 2.31 59 54 76 94 115 348 1x4 2.98767098121149449 1.5x1 1.196 30 28 39 49 60 180 1.5x1.5 1.8644844617693281 1.5x2 2.527 64 59 83 103 126 381 1.5x3 3.7619688124153188567 1.5x4 4.92 125 115 162 200 245 741 2x1 1.6654239556883251 2x2 3.482 89 81 115 142 174 525 2x3 5.213133122172212260785 2x4 6.874 175 161 226 280 343 1036 3x1 2.584666085105129389 3x2 5.4 138 126 178 220 269 814 3x3 8.122071902673314051223 3x4 10.77 275 252 355 439 537 1623 3x5 13.443433144435486702025 4x2 7.32 187 171 241 298 365 1103 4x3 112812573634485491658 4x4 14.66 374 343 483 597 731 2209 4x5 18.324674286047479132761 6x4 22.32 569 522 735 909 1113 3363 8x4 30.01765702989122314964522
Formula used to calculate fill capacity: Number of wires = duct area / (1.57 x (wire o.d.)2) or duct area x (0.637/(wire o.d.)2) * 50% Fill Capacity

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