Western Technology's Explosion Proof Lights, also known as Hazardous Location Lighting or Intrinsically Safe Lights are NRTL certified for UL and OSHA Safety Standards compliant for use in areas where flammable petrochemical vapor or potential pulverized dust exist. Explosion Proof Lights are Class 1, Div 1 & 2 or Class 2, Division 1 and 2 ...