Is P21W same as 1156?
P21W and 1156 are very similar. They aren’t identical, but they are functionally interchangeable in many cases as long as the 1156 one uses has a nickel-plated base and not a plain brass one.
How many lumens is a 25w LED?
375
Lumens to Watts Conversion Chart | ||
---|---|---|
Lumens | Incandescent Watts | LED Watts |
375 | 25 | 4 |
450 | 30 | 5 |
800 | 60 | 9 |
What is 400k light?
A 4000K LED bulb produces a bright white or cool toned kind of color which gives a warm effect as well as bright enough to work beneath it. It is mostly used in kitchens.
How bright is a 20 W LED?
Special Feature | Shatter resistant, Instant On, Dimmable |
---|---|
Light Type | LED |
Wattage | 20 watts |
Light Color | Bright White |
Brand | Greenlite |
Will P21W fit PY21W?
Both types are also similar to the widely used P21W lamp which can often be found in indicators and brake lights. For indicators it’s also available in yellow and is called PY21W. The letter y stands for yellow, and this lamp won’t fit either instead of a normal white P21W.

What is 25w LED equivalent to?
Compare wattage
Traditional bulb1 | Halogen2 | LED |
---|---|---|
25 watts | 15 watts | 2 watts |
40 watts | 25 watts | 5 watts |
60 watts | 40 watts | 7 watts |
75 watts | 45 watts | 9 watts |
Can I use a 40 watt LED in a 25 watt lamp?
The answer is YES. You can use an LED bulb having a higher wattage equivalent than your fixture allows — provided the LED bulb consumes less wattage than the fixture.
Is 4000K good for living room?
While 4000K light isn’t too bright and doesn’t impose any blue light damage, it’s certainly appropriate for rooms like living rooms, bathrooms, and kitchens in residential spaces with an aesthetic setting.
Which is brighter 3000K or 4000K?
4000K is really the transitional color temperature that begins to turn the warmer yellow of 3000K into a cool white. At 5000K you will only be seeing the cool white color temperature in the light. Warm light will typically be anything that’s 3000K and under. Cool white will be anything that’s 4000K and above.
What is 18W LED equivalent?
Lumen & Wattage Comparison
Lumens (Brightness) | Incandescent Watts | CFL Watts |
---|---|---|
400 – 500 | 40W | 8 – 12W |
650 – 850 | 60W | 13 – 18W |
1000 – 1400 | 75W | 18 – 22W |
1450-1700+ | 100W | 23 – 30W |
Are 1157 and 2057 bulbs interchangeable?
The main difference between the 1157 taillight bulb and the 2057 is that the 2057 draws about 30% less current when using the running lights. They are interchangeable like you mentioned.