Correction Factors for Various Ambient air Temperatures

Maximum

Ambient air temperature

Conductor

  C

Temperature

 

  C

35

40

45

50

55

60

65

70

75

80

85

60

1.29

1.15

1.00

0.82

-

-

-

-

-

-

-

70

1.18

1.10

1.00

0.89

0.77

0.63

-

-

-

-

-

85

1.12

1.06

1.00

0.94

0.87

0.79

0.71

0.61

0.50

 

 

90

1.10

1.05

1.00

0.94

0.88

0.82

0.74

0.67

0.58

0.47

-