Electricity: electrical systems and devices – Miscellaneous
Patent
1989-03-28
1990-12-11
Thompson, Gregory D.
Electricity: electrical systems and devices
Miscellaneous
361391, 361407, 361428, H02B 101
Patent
active
049774840
ABSTRACT:
A dimmer rack for mounting a plurality of modular units called dimmer modules is disclosed. Each of the modules is used to provide dimming control for each lighting circuit in a lighting system. The rack is a vertical enclosure and utilizes a plurality of modular shelving elements attached to the sides of each file to define individual receptacles for each module. Tabs in the shelving register with grovoes on the external housing of the dimmer modules, whereby precise tongue and groove mounting of each dimmer module is obtained. The rack provides vertical input power and control signal busses which are mounted side by side at the rear of the rack which register with and are engaged by first mating connectors on the rear of each of the dimmer modules at one end therof. A vertical output power bus is provided at the seat of the rack on the side opposite the power and control signal busses which registers with and engages other mating connectors on the rear of the dimmer modules at the end opposite the first connectors. A vertical neutral bus strip is mounted adjacent the output power bus to provide a return wire connection point for each lighting circuit. Where three phase power is supplied to the rack, the dimmer modules are grouped vertically by phase, one below the other. This permits quick and efficient rack to rack bussing.
REFERENCES:
patent: 2593975 (1952-04-01), Brown et al.
patent: 3758828 (1973-09-01), Stefani
patent: 4131934 (1978-12-01), Becker et al.
Cunningham David W.
Esakoff Gregory F.
Lee Colortran Inc.
Thompson Gregory D.
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