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UL Type MV-105 Ampacities – Copper Conductors – Rated 5 kV, 8 kV or 15 kV

Conductor Size
(AWG or kcmil)

Ampacity

Direct Buried
(Touching)

Direct Buried
(Spaced 7.5 in)

In Conduit Air
(Touching)

In Cable Tray
(Spaced One Cable Diameter)

2 205 225 165 -
1 230 260 190 -
1/0 260 295 215 290
2/0 295 335 255 330
3/0 340 380 290 380
4/0 385 435 330 445
250 410 475 365 490
350 505 575 440 605
500 605 700 535 755
750 740 865 655 970
1000 830 1005 755 1160

Notes:

  1. Dimensions and weights are subject to standard manufacturing tolerances and are subject to change without notice.

Conductor Size
(AWG or kcmil)

Diameter

Direct Buried
(Touching)

Direct Buried
(Spaced 7.5 in)

In Conduit Air
(Touching)

In Cable Tray
(Spaced One Cable Diameter)

2023 NEC Article Article 315.60(F) Article 315.60(F) Article 315.60(E) Article 392.80(B)(2)(2)
2023 NEC Table Table 315.60(C)(19), One Circuit Table 315.60(C)(15), One Circuit Table 315.60(C)(7) Table 315.60(C)(3)
Cable Configuration 2023 NEC Figure 315.60(D)(3), Detail 7 2023 NEC Figure 315.60(D)(3), Detail 9 Touching Single Layer, Spaced One Cable Diameter
Installation Conditions Earth Ambient = 20 deg C (68 F) Earth Thermal Resistivity = 0.90 deg C m / W Depth of Burial = 36 in Earth Ambient = 20 deg C (68 F) Earth Thermal Resistivity = 0.90 deg C m / W Depth of Burial = 36 in Ambient Air = 40 deg C (104 F) Ambient Air = 40 deg C (104 F)