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Obstruction lighting for stack
The number of lights per level depends on diameter of the stack: 3 lights are required if the diameter is less than 6 meters, 4 lights if the diameter is between 6 and 30 meters, 6 lights if the diameter is between 30 and 60 meters and 8 lights if it is above 60 meters
3 or more dual color medium intensity close to the top of the stack
Dual color medium intensity in accordance with ICAO medium intensity type A & B (red at night, white during the day)
3 low intensity type B at intermediate level (red at night, off the day)
Control cabinet and photocell at bottom
M-F-360-WR-230V-DN-20000cd-DUAL
Stack with red and white stripes. Lights operating only at night
3 or more red medium intensity close to the top of the stack (only for stack 45m to 105m high)
Red medium intensity in accordance ICAO medium intensity type B (red at night, off during the day)
3 or more ICAO low intensity type B at intermediate level (or if the stack is less than 45 meters high 3 or more low intensity type A below the top) red at night, off the day
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