NEC Quiz: Article 230 Answers

by Mark Lamendola

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  1. [230.2]. Yes, it can. There are four criteria, detailed in 230.2(A) - (D): Special Conditions, Special Occupancies, Capacity Requirements, and Different Characteristics.
     

  2. [230.3]. You can't pass service conductors for one building through another building.
     

  3. [230.9] plus [230.4] (fairly extensive). Vertical clearance, clearance from building openings, clearance above roofs, clearance from ground, clearance from swimming pools.
     

  4. [230.29]. Substantial ones. Also, where practicable, they must be independent of the building.
     

  5. [230.72(A)]. "grouped."