• Title/Summary/Keyword: 250W metal-halide(MH) lamps

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Cause Investigation and Verification of Fire Accidents for Road and Street Lighting (가로등 화재사고의 원인규명과 검증)

  • Shong, Kil-Mok;Han, Woon-Ki;Kim, Jong-Min;Kim, Young-Seok;Kim, Myoung-Soo;Kim, Hyeok-Soo
    • Journal of Korean Institute of Fire Investigation
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    • v.11 no.1
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    • pp.31-36
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    • 2008
  • This paper carried out a variety of analysis for a finding out the causes of fire on the street lamp. The glass bulb of 250W metal-halide(MH) lamps attached with the impurities rose the temperature by at $410.4^{\circ}$ in normal condition. Therefore, a lamp apparatus is needed the improvement for ventilation and the protection against dust. The heat of MH lamps is diffused through out the luminous tube, a glass bulb, and apparatus by degrees. The accident cause of the lamp is presumed that the accumulated heat by deposits of the inner part. It will be recommended the improvement of the structure that aren't the external impurity and accumulated heat in the MH lamps set.

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