Replacement ballast structures in roadway and/or area luminaires

Details Replacement ballast structures in roadway and/or area luminaires Replacement ballast structures in roadway and/or area luminaires

1987-06-02

1989-01-03

Goldberg, E. A.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

362362, 362374, H01C 710, F21P 102

Patent

active

047960019

ABSTRACT:
A low pressure sodium roadway and/or area luminaire is provided. In this structure, the ballast is present in a removable pod which can be removed and replaced solely by hand.

REFERENCES:
patent: 3654453 (1972-04-01), Jablonski
patent: 4019044 (1977-04-01), Kelly et al.
patent: 4516196 (1985-05-01), Blake
patent: 4538217 (1985-08-01), Ewing et al.
patent: 4551792 (1985-11-01), Hoke et al.

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