Bulbs are set to different light sets according to the wattage and color temperature desired.
Typical average lifetime ratings for linear fluorescent tubes are 10,000 and 20,000 hours, compared to 750 hours (110 V) and 1000 hours (240 V) for filament lamps.
Some types of fluorescent lamp ballast have difficulty starting in very cold conditions. The lights used outdoors in cold climates need to be designed for outdoor use to work reliably.
Fluorescents come in a range of different color temperatures. In some countries, cool white (CW) is most popular; while in some other countries, warmer whites predominate.
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