The rules for sufficient conductor space within cabinets have been revised to deal with power monitoring equipment. Cabinets are permitted to contain overcurrent protection devices and other wiring and equipment as provided in (A) and (B). (A) Splices, Taps, and Feed‑Through Conductors. The wiring space within cabinets can be used for conductors feeding through, spliced, or tapping where all of the following conditions are met: (1) The area of conductors at any cross section ...

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