MXEL 8189 (L) Zone 2 Area Explosion proof flood lights are ideal for extremely hazardous locations. In fact, MXEL 8189 (L) Zone 2 Area Explosion proof flood lights have been rigorously tested and approved for use where explosive gases, dust, and other flammable materials can create a potentially dangerous environment. These explosion proof floodlight have been rigorously tested and approved for use where explosive gases, dust, and other flammable materials can create a potentially dangerous environment.