310.15(b)(16)

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MasterTheNEC

CEO and President of Electrical Code Academy, Inc.
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Is the 90 degree column use only for Adjustment factors for conductors.
technically speaking...used for Temperature Corrections and Adjustments....;)

But yes DITTO to the MOD's response....;)

View Section 310.15(B) - Second Paragraph explains it nicely.
 
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