Light Bulb Wattage
Cfls and leds have a lower wattage than incandescent bulbs but emit the same light output.
Light bulb wattage. 00 syska ssk srl 9w base b22 9 watt unbreakable led bulb pack of 12 cool day light price 548. Residential energy costs among the various states range from 26 17 cents hawaii to 7 4 cents washington per kwh. We used the figure of 5 00 for a 60 watt equivalent led bulb as an average among lighting retailers.
Wattage is the amount of energy is used by a lamp or light bulb. Lumens brightness led watts viribright cfl watts. The lower the wattage needed the better.
You should never use a higher wattage bulb than your application requires because it will damage your equipment or fixture. Wipro garnet base b22 15 watt led bulb pack of 2 cool day light price 899. If you will use a lower wattage bulb in your fixture you will have less light than before choosing a lower wattage bulb is fine as long you understand that you are compromising on light output this statement is correct only for incandescent and halogen bulbs.
How to understand this table look at the lumens brightness in the far left column then compare how many watts of power each light bulb type requires to produce that level of brightness. The amount of energy a light bulb uses. That rule doesn t apply to led bulbs though.
Led bulbs require much less wattage than cfl or incandescent light bulbs which is why leds are more energy efficient and longer lasting than their competitors. All light bulbs whether they are traditional incandescent bulbs fluorescent bulbs cfus or led light emitting diode bulbs will have a wattage rating printed somewhere on the glass or on the metal collar of the bulb. 400 500.
The cost per bulb for leds may vary. The more watts the brighter the bulb. An sem image of the tungsten filament of an incandescent light bulb.
When buying an incandescent bulb the watts rating gives consumers a good indication of how bright a bulb is.