Ballast circuit enclosure and grounding structure

Details Ballast circuit enclosure and grounding structure Ballast circuit enclosure and grounding structure

1994-05-13

1995-08-29

Thompson, Gregory D.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

174 51, 174DIG2, 315276, 336 90, 361704, 361753, 361799, H02B 118

Patent

active

054466172

ABSTRACT:
A ballast circuit enclosure and grounding structure for electrically grounding a ballast circuit to a housing and for capturing transmitted RFI and EMI therefrom. The ballast circuit enclosure includes an elongate housing for receiving and surrounding the ballast circuit. End caps are attached to the housing opposite open ends in closing engagement with the housing. The end caps are fastened to the housing with fastening members extending through holes in the end caps and into elongate channels formed on the inside of the housing. The ballast circuit board rests on elongate abutment shoulders within the housing and is sandwiched between the abutment shoulders and longitudinal walls forming the elongate channels. A grounding wire on the edge of the circuit board is coupled to the ballast circuit and is in electrical contact with the fastening member and/or the channel forming elongate wall of the housing.

REFERENCES:
patent: 2308600 (1943-01-01), Gaynor
patent: 2740905 (1956-04-01), Henderson
patent: 3049579 (1962-08-01), Sulzer
patent: 3299200 (1967-01-01), Sulzer
patent: 4471898 (1984-09-01), Parker
patent: 5140225 (1992-08-01), Barton
Two (2) photographs of Magnetek ballast (no known date).

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