Power distribution boxes and networks for film production crews

Details Power distribution boxes and networks for film production crews Power distribution boxes and networks for film production crews

H - Electricity

02

B

H02B 1/52 (2006.01) H02B 1/18 (2006.01)

Patent

CA 2146511

ABSTRACT OF THE DISCLOSURE A power generating and distributing system for film production crews includes a three-phase generator and a power distributing network. The network consists of cables and multi-phase power distribution boxes that ultimately supply power to single-phase distribution boxes and single-phase equipment. Each multi-phase distribution box has a set of lights that indicate whether each phase input terminals of the box is live, and another set to indicate the state of its circuit breakers and electrical outlets. The indicator lights are colour coded to indicate which breakers and outlets are connected to which phase input terminals. Power cables that couple each phase input terminal of the distribution box to an upstream distribution box are also colour coded to identify corresponding input terminals. An electrical discontinuity in the network, such as an open breaker or a disconnected cable, can be quickly traced by visual inspection of indicator lights. - 19 -

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