North America applicable cable

NORTH AMERICAApplicable cable

6THHW (75℃ Wet)

  • Reference standardNFPA70 2023Edition
  • LocationWet location

  • Current carrying capacities※1

    (Ambient temperature other than 30℃) =
  • 1Current carrying capacities applied by size
    x
  • 2Temperature correction factor

※1 This calculation method applies only temperature correction factor. The adjustment factor may differ according to operating conditions. Please refer to NFPA70・NFPA79.

1Current carrying capacities(A) applied by size.(at30 deg.,Ambient temperature,Free air)

Size（AWG） 1c
14 30
12 35
10 50
8 70
6 95
4 125
2 170
1 195
2/0 265
3/0 310
4/0 360
250 MCM 405
350 MCM 505
400 MCM 545
500 MCM 620

2Temperature correction factor

Ambient temperature(℃) Correction factor
10 or less 1.20
11 - 15 1.15
16 - 20 1.11
21 - 25 1.05
26 - 30 1.00
31 - 35 0.94
36 - 40 0.88
41 - 45 0.82
46 - 50 0.75
51 - 55 0.67
56 - 60 0.58
61 - 65 0.47
66 - 70 0.33
NORTH AMERICA APPICABLE CABLE
TOP Technical Info North America applicable cable THHW (75℃ Wet)

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