ELIMINATING THE ULTRAVIOLET HAZARD FROM HID LAMPS

Two methods are discussed for extinguishing a lamp's arc tube when the outer envelope is broken. One method utilizes a mechanical switch, and the other method utilized an oxidizable fuse. It is felt that the mechanical switch approach is expected to be the more reliable method because is extinguishes the arc immediately when the bulb is removed. The design does not depend on the electrical characteristics of the arc tube or ballasts, has no effect on the lamp characteristics, and is probably the least expensive course.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/00994480
• Corporate Authors:

  Illuminating Engineering Society

  120 Wall Street, 17th Floor
  New York, NY  United States  10005-4001
• Authors:
  • Rokosz, F
• Publication Date: 1977-7

Media Info

• Features: Figures;
• Pagination: p. 233-236
• Serial:
  • Illuminating Engineering Society, Journal of
  • Volume: 6 N
  • Issue Number: 4
  • Publisher: Illuminating Engineering Society
  • ISSN: 0099-4480

Subject/Index Terms

• TRT Terms: Ballast (Railroads); Costs; Design; Hazards; Lamps; Reliability; Standards; Ultraviolet radiation
• Uncontrolled Terms: Ballast; Intensity; Switches
• Subject Areas: Design; Finance; Highways; Railroads; Safety and Human Factors;

Filing Info

• Accession Number: 00159610
• Record Type: Publication
• Files: TRIS
• Created Date: Oct 13 1977 12:00AM