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Does fluorescent light use a lot of electricity?
Fluorescent lamps, including compact fluorescent lights (CFLs), use about 75 percent less energy than incandescent bulbs and last six to 15 times as long, according to the U.S. Department of Energy (DOE). But it’s widely believed that these popular bulbs use a lot of energy to start up.
Is it better to leave a fluorescent light on?
You may have heard people say: “It’s best to leave fluorescent lights on: it’s cheaper than switching them on and off”. It is true that switching on/off fluorescents reduces lamp life but lamps are designed to be switched on/off up to seven times a day without any effect on their life.
Are fluorescent tubes expensive to run?
An urban myth has continued to circulate about the amount of electricity used by fluorescent tubes when they are first turned on. The extra electricity used is negligible.
How much power does a fluorescent choke consume?
We had 4 x 36W Fluorescent lamps (120cm) in a kitchen. We replaced them with 4 x 18W LED lamps. This was the Fluorescent choke for the old lamps: Question: how much power did the original Fluorescent lamps consume? My hint: 4 x 36W = 144W + does the choke consume some watts? I read that it could easily consume 4 x 30W.
What’s the power consumption of a fluorescent lamp?
UPDATE: we just want the power consumption of the old “ballast and the starter” and the old fluorescent lamps together, so we can know how much less does a LED operation costs. It’s hard to find actual usable data on the ballast you posted.
How many kWh does a fluorescent tube use?
To find the amount of power you will, or you would expect to use, add together the Watts figures for each tube in the fitting or circuit and multiply the result by the length of time, in hours, they will run. Then divide the result by 1000 (a kilowatt is 1000 Watts).
How to calculate total fixture wattage for fluorescent lighting?
There are numerous variables, but typically we see T-12 fluorescent lighting in most places. Even if you are aware of that you use T-12’s, knowing what type of T-12 fixture is very important. Here are the 3 that we run into most Step 2 – What Size are the Fluorescent Fixtures? 2′ x 2′ – Typically a square type of fixture.