Most of the Art. 520 requirements are in one of four Parts (II, III, IV, and V). Part I provides the general requirements. Part VI provides requirements specifically for dressing rooms, and Part VII is a paragraph we’ll discuss last. The types of locations covered by Art. 520 (Photo) tend to make extensive use of portable equipment. You can use approved flexible cords and cables for portable switchboards and other portable equipment [520.5(B)]. This requirement is a fork in the road. ...

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