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.
UL 1640 references these Standards:
20 *
44 *
50 *
50E *
62 *
67 *
83 *
94 *
98 *
248-1 *
248-2 *
248-4 *
248-6 *
248-8 *
248-9 *
248-10 *
248-11 *
248-12 *
248-15 *
467 *
486A-486B *
486E *
489 *
498 *
506 *
508 *
514B *
723 *
746A *
746B *
746C *
817 *
891 *
943 *
969 *
1054 *
1059 *
1332 *
1429 *
1561 *
1640 *
1681 *
1682 *
1686 *
4248-1 *
4248-4 *
4248-6 *
4248-8 *
4248-9 *
4248-11 *
4248-12 *
4248-15 *
5085-1 *
5085-2 *
5085-3 *
60947-1 *
60947-4-1A *
60947-5-2 *
61058-1 *
61131-2 *
. Table of Contents for UL 1640.