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Portable Power-Distribution Equipment
UL 1640
1 Scope
1.1 These requirements cover portable power-distribution equipment intended to distribute power in accordance with the National Electrical Code, NFPA 70 (NEC).
1.2 These requirements cover portable power-distribution equipment intended for use in the following locations:
- a) Carnivals, circuses, fairs, and similar locations in accordance with Article 525 of the NEC;
- b) Exhibition halls in accordance with Article 518 of the NEC;
- c) Motion picture and television studios and similar locations in accordance with Article 530 of the NEC;
- d) Theaters, audience areas of motion-picture and television studios, and similar locations in accordance with Article 520 of the NEC; and
- e) Temporary installations at construction sites in accordance with Article 590 of the NEC.
1.3 These requirements do not cover portable power-distribution equipment intended to be mounted above or adjacent to the lighting unit it supplies.
1.4 These requirements cover power-distribution equipment rated 600 volts or less and 1600 amperes maximum. They may be intended for either single- or multi-phase supply.
