Design and operational standards for approval by Underwriters Laboratories (UL) are presented for three types of highway emergency signals to be carried on commercial vehicles: Liquid-Burning Flares, Red Electric Warning Lanterns, and Fuses. These standards pertain to construction; ability to withstand vibration, rain, wind, and dust; reliability; fuel requirements; luminosity; burning time, and instructions and exterior markings. Test conditions are described in detail.

  • Supplemental Notes:
    • Standards for Safety Series.
  • Corporate Authors:

    Underwriters Laboratories, Incorporated

    1285 Walt Whitman Road
    Melville, NY  United States  11747
  • Publication Date: 1979

Media Info

  • Pagination: 13 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00389097
  • Record Type: Publication
  • Source Agency: National Highway Traffic Safety Administration
  • Report/Paper Numbers: UL 912 4th ed., HS-029 581
  • Files: HSL, USDOT
  • Created Date: Sep 28 1984 12:00AM