Compact fluorescent lamp packets have useful information on them. Here's what it all means.

Compact fluorescent lamp packets have useful information on them. Here's what it all means.
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Base type. Bayonet or screw fitting.
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Colour temperature (K). How warm-yellow (2700-3000K) or cool-blue (4000-6500K) the white is.
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Light output. How "bright" the bulb is, measured in Lumens.
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Wattage. The amount of power the bulb uses. The higher the power, the more the bulb costs to run.
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Lifetime. The number of hours the bulb should last.
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Mercury (mg). The amount of mercury the bulb contains.
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Light efficiency (efficacy - lm/W). How efficiently the bulb converts electricity into light.
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Incandescent equivalent. The wattage of the incandescent (traditional) bulb that emits the same amount of light.
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Volts. The voltage the bulb is designed to work with. NZ has 230Volts.
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Dimmable. Can the bulb be used with a dimmer or other electronic switches?
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