Power Plants Warning Lights

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HeightRed Lights Working at Night Only
Below 45m 3 low intensity type A 1.5 to 3m below the top of the stack.
45m up to 105m Medium intensity type B 1.5 to 3m below the top of the stack, with low intensity type B every 45 meters
105m up to 150m Medium intensity type A every 105m max.
150m and aboveAlternative: above a height of 150 m, high intensity light every 105 max.
HeightWhite Flashing Light for Day Mode and Red Lights for Night Model
Below 45m 3 low intensity type A working at night only and medium intensity type A working during daytime only.
45m up to 105m 3 dual color medium intensity type AB 1.5 to 3m below the top of the stack with low intensity type B at intermediate levels.
105m up to 150m Medium intensity type A every 105m max.
150m and aboveAlternative: above a height of 150 m, high intensity light every 105 max.
Using of White flashing lights during day time eliminates the necessity to paint the stack with red and white stripes and for stack with diameter between 6 and 30 meters, 4 lights per level are required. For stack with diameter between 30 and 60 meters, 6 lights required. And for stack diameter above 60 meters, 8 lights per level are required.

ICAO and FAA Low Intensity Type A

ICAO and FAA Medium Intensity Type A

ICAO and FAA Medium Intensity Type B/C

ICAO and FAA Medium Intensity Type AB

ICAO and FAA High Intensity

Ex-Proof