By contrast a high kelvin figure like 4000k means the color is cool and white in appearance.
Changing fluorescent light bulbs safely.
Color temperature measurement is in kelvin k and most colors range from 2500 to 6500k a lower kelvin figure means the color is warm and tends to be closer to orange.
This procedure applies to bulb changing in complex environments with a variety of hazards such as fall and electric shock.
Always check the power is off before attempting to change the bulb.
How to replace a fluorescent light bulb to change the bulb safely.
Then follow the steps outlined here.
This procedure would not apply for example to changing a light bulb in a desk or floor lamp where the fixture can simply be unplugged.
Cfl bulbs or compact fluorescent light bulbs use an electric current driven through a tube typically containing mercury vapor.
As a whole this procedure provides general guidelines to change a light bulb safely.
There could be a problem with the bulbs.
When fluorescent bulbs flicker have dark or smoky colored ends it s time to replace the bulb and you re faced with the choice of making a trip to the local hardware store and doing it yourself or hiring a qualified licensed electrician.
Photo 1 shows how to tell if a fluorescent bulb is bad and how to replace it.
Replace the bulb with the same size bulb.
Does your fluorescent light flicker or only come on dimly.
Alright now it s time to talk about what in my opinion is probably the least safe light bulb on the market today the cfl.
I show how to change the bulbs and inspect the sockets.
Black ends don t require immediate replacement.
If you are going to replace fluorescent light with led lighting you must take into consideration the color temperature.
Don t worry about them until the light they put out starts to weaken.
Fluorescent light bulbs typically last many years but when one flickers on and off or the end turns light gray to black in color you ll just need replacement light bulbs.
Fluorescent tubes are designed to last for many years so when it comes to changing them you might not have done it before.
Although replacing a fluorescent tube is simple it s not as straightforward as changing a regular light bulb and it can actually be quite dangerous.