Code Admin & SafetyQuestion 109 of 110

Service equipment (other than dwellings) must be field marked with what value related to fault protection?

a.Maximum available fault current
b.The panel interrupting rating only
c.Installation date only
d.Phase rotation

Explanation

Service equipment must be legibly field marked with the maximum available fault current and the date of the calculation.

Law Reference: 2023 NEC 110.24(A)

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