What does 3500K LED mean?
Generally, ‘warm’ light is anything 3000K or lower, while ‘cool’ light is 4000K or above. 3500K, a middle ground often called ‘neutral’, can look either cool or warm depending on furnishings and other lighting nearby. 3000-3500K: produces a soft white light that’s crisper than 2700K, similar to halogen lamps.
What does R40 mean on a light bulb?
Reflector (R) bulbs put approximately double the amount of light (foot-candles) on the front central area as General Service (A) of same wattage. Like all light bulbs, the 40 value represents the diameter of the bulb in 1⁄8 of an inch. Therefore, a R40 is 5 inches in diameter.
Is R40 the same as BR40?
The difference between R40 and BR40 bulbs isn’t size (they’re the exact same in that department) but beam spread. Both feature a built-in reflector, but with BR40 CFL bulbs, you can see a more bulged beam shape versus the more traditional shape of R40 CFL bulbs.
What does 3500K mean on a light bulb?
Light bulb color temperature is represented in the unit of absolute temperature, Kelvin, noted by the symbol K. Household fixtures are commonly found in color temperatures on the Kelvin scale of 2700K (warm incandescent), 3000K (warm white halogen) and 3500K (household fluorescent).
What is the difference between R30 and R40 bulbs?
The 30 and 40 refer to the size of the bulb in 1/8 inches — 30/8 and 40/8 inches respectively. Or more simply, the BR30 is just under 4″ across and the BR40 is 5″ across. So when you’re choosing a bulb for recessed cans, the first thing to know is the size of the cans.
How bright should floodlights be?
Flood lights require 700 to 1300 lumens. The brighter the lights are, the more lumens they emit, and the more secure your space. Motion sensor flood lights require between 300 and 700 lumens. These lights have ranges, so brightness may vary.
What is BR40 LED?
What does BR40 mean? BR40 is a large reflector flood lamp. It is the largest of the R-style flood lights. We like to call them “flood lights” because the BR40, like its smaller siblings R20 and BR30, has a frosted diffuser to produce wider less focused light.
What is an 18W LED bulb equivalent to?
Lumen & Wattage Comparison
| Lumens (Brightness) | LED Watts (Viribright) | CFL Watts |
|---|---|---|
| 400 – 500 | 6 – 7W | 8 – 12W |
| 650 – 850 | 7 – 10W | 13 – 18W |
| 1000 – 1400 | 12 – 13W | 18 – 22W |
| 1450-1700+ | 14 – 20W | 23 – 30W |
What is a 15 watt LED equivalent to?
LED light bulbs take energy efficiency to another level, using around 40% less energy than CFL equivalents….LED equivalents to CFL light bulbs.
| CFL Light Bulb Wattage | LED Equivalent Wattage |
|---|---|
| 15 Watt | 9 Watt |
| 9 Watt | 5.5 Watt |
| 5 Watt | 3 Watt |
What is 3000K in lumens?
Natural Light – 810 Lumens – 9 Watt – 3000 Kelvin – LED A19 Light Bulb.