Lumens (light output)
This refers to the literal measure of the light-output of a particular light bulb, measured in the number of lumens.
Watts (Energy Used)
"Watts" is the term applied to the amount of energy required and used by a particular light bulb. It is an international system unit of power equal to one joule per second. Contrary to popular belief, the wattage of a bulb does not directly measure the brightness; the "lumens" of a light is what defines the actual light output.
Average Lifetime
This refers to an average lifetime rating based on large quantities in test groups. This testing takes into account usage of 3 hours per start for fluorescent lamps and 10 hours per start for HID lamps.
Volts
Voltage is a measure of electrical potential.
Bulb Type
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The "Bulb Type" is typically a combination of the style of bulb as well as the width of the bulb. Usually, the first couple letters will indicate the type; "G" would indicate "Globe", "PAR" would indicate "Parabolic Reflector"... The numbers indicate the diameter of the light bulb in eighths of an inch; a "G40" would be a "Globe" style that is "5 inches" in diameter.
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Base Type
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The "Base" of a light bulb is the part that either screws or snaps into a receptacle. Base Type terminology may indicate common descriptive words like "Medium" or "Candelabra", or may even contain numeric codes that signify size and variety, like "E26" or "2GX13".
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Filament Type
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The filament is the style of fine wire that is heated electrically inside of an incandescent light bulb.
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Color Temperature
Correlated Color Temperature (CCT) is a specification of the color appearance of a light bulb, relating its color to that of a reference source heated to a particular temperature, measured in degrees Kelvin (K). It generally measures the "warmth" or "coolness" of light source appearance.
CRI (Color Rendering Index)
CRI refers to the "Color Rendering Index" of a light bulb. CRI measures a light source and grades its ability to render the color of objects "correctly," as compared with a reference source with comparable color temperature. 100 is perfect rendering.
Length
This is sometimes referred to as MOL, or "Maximum Overall Length". It measures the absolute length of a light bulb, from the top of the bulb to the bottom of the base and is typically expressed in inches.
Width
Width refers to the complete diameter of the widest point of the light bulb.
Beam Angle
The beam angle refers to the width of the light beam coming from a reflector light bulb. The higher the number, the wider the beam spread.
# of Lamps
This refers to the number of Fluorescent or HID light bulbs that this particular ballast can light.
Bulb Type Used in Ballast
This refers to the style of light bulb that this particular ballast can light.
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Impressed with your service and promptness on my order. As the lamp was not available from a local source it was a great help to have your web site.
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Customer recommended! |
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Works well. I was surprised that the first light bulb only lasted 2 years. It is difficult to put the bulb back into the light fixture. Delivered in good time. Thank you.
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Customer recommended! |
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This is a very hard to find item other than online. The quality is good, but I was surprised that I had to replace it after 2 yrs (not sure if that is a long time or short for this type of light bulb)
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Customer recommended! |
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I love using flourescent bulbs to save energy. These are hard to find but eLightBulbs had them in stock and cheaper then any other online places.
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Customer recommended! |
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Great Service, Great Price.
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Customer recommended! |
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4/03/12 (Palm Desert, CA)
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I'm hoping the price will come down quickly. I am a senior citizen and my city offered, at no charge new light fixtures and the new lightbulbs. I had to order more lightbulbs but they are very expensive. Maybe you could promote a discount for senior citizens.
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Customer recommended! |
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I needed them, you had them...Thanks
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Customer recommended! |
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Plugged one of them in and so far so good. Have the others in reserve but not expecting to use them as I am expecting a long life. Thank you.
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Customer recommended! |
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12/15/11 (East Point, GA)
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Fit my fixture perfectly, and it is nice and bright.
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Customer recommended! |
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Great Product and really hard to find at a low price, but on the site it's worth it. At first I wasn't sure because I've never heard of this site but it's great and fast with the shipping. the lights made it to me in a great condition and work really well.
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Customer recommended! |
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Great product, very hard to find as no major retail brick & mortar carried it.
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Customer recommended! |
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Works great. Just what I needed. Great photos on website to compare.
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Customer recommended! |
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3/05/13 (Northborough, MA)
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These bulbs are way more expensive than the ones that were at the store where I bought the lamp. They were out and waiting for a goverment grant
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The light bulbs work as they should and arrived timely.
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Customer recommended! |
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They are expensive, and they've yet to last very long. And by "not long" I mean a matter of months, six months max. They certainly are NOT worth the money!
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WARNING: New design of MaxLite 18W GU24WW bulbs will not fit some lighting fixtures (I have Acclaim outdoor fixture). MaxLite's 18W bulbs no longer "taper in" at bottom of base (VERY odd because their 13W bulbs still do taper in). It was an "engineering mistake" to say the least. Ask MaxLite and tell them where you heard this (I have the new and old design bulbs --- oh, and new ones don't match picture on the box they come in!). Suppose I should just purchase entire new light fixtures? --- No way!
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