Where the Ungrounded Supply Conductors Are Larger Than 1100 Kcmil

question 23

Multiple Choice

Where the ungrounded supply conductors are larger than 1100 kcmil copper or 1750 kcmil aluminum, the supply-side bonding jumper shall have an area not less than ____ of the area of the largest ungrounded supply conductor or equivalent area for parallel supply conductors.

• A) 10½%
• B) 12½%
• C) 15½%
• D) 18½%

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