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Questions tagged [led]

For questions regarding lighting that uses LED (Light Emitting Diode) technology.

2
votes
4answers
3k views

12V DC LED Dimmer

I would like to fit dimmable LED lights in my new bathroom Most solutions seem to involve a dimmer switch that chops a high-voltage AC supply, and a driver per light (often integrated into the bulb) ...
1
vote
4answers
955 views

How can I get High-CRI lighting for a small room?

I plan to replace a CFL lighting fixture in a small room (10' x 15'), due to its being too dim and giving less-than-perfect light. I'd like to install something that would give me 3500K light with ...
0
votes
2answers
308 views

Led lighting. Extended lengths

I'm building in Thailand with limited local resouces and even less knowledge. 220v here. I want to run a min. 30m of rgb 5050 using a dimmer for the run and one power source if possible. (I could ...
1
vote
2answers
21k views

Can I use dimmable leds without a dimmer?

I recently bought "dimmable LED lights" without knowing exactly what this means. I did some research, and now I get it. A dimmer is required to regulate the intensity of the lights, for which I don't ...
3
votes
1answer
286 views

What type of centralized home control hardware is available?

I recently got excited about the idea of creating a web software to run locally for my home that could be accessed via computer, smart phone, or tablet, which would give me complete control over most ...
6
votes
3answers
28k views

Can I dim LED lights when there are two different switches for the same fixture?

I would like to place dimmers in two different rooms that are sometimes a bit over lit. Is that possible when both areas have two switches for the recessed lighting? Do I need to replace both switches ...
1
vote
1answer
4k views

Why are my LED lights flashing when powered from an inverter?

I am running some 10 watt LED floodlights off a 12 volt battery and 230 volt inverter. The 10 watt LED floodlights are flashing on and off. I am also running 20 watt floodlights and they do not flash....
2
votes
2answers
1k views

Practical limits of how many LEDs can you use to replace halogen 12V?

I'm gradually replacing halogen lights at home with LEDs. We have a couple of 12V rails with a 5x35W rating when using halogens. When using the same transformer with LED's, can I use the theoretical ...
3
votes
1answer
1k views

How to use LED lighting strip on ceiling?

In our living room, we have a single ceiling rose in the centre of the ceiling with a boring light fitting on it. I'd love to replace this with 4 led strips (about 2m each) running from the centre to ...
4
votes
1answer
2k views

How to turn off a light sensor LED light?

I've got a light on my condo building and I'd like to figure out how to turn it off. It's currently operated by an automatic light sensor (turns off when it gets dark). I want to setup better ...
1
vote
1answer
10k views

How do I ground my LED retrofit in a ceiling can?

I've got what appears to be a low height 5" can above the kitchen sink. There is a 60W IC bulb in there. It looks really trashy since the cover is missing. So, I picked up one of those ceiling LED ...
1
vote
0answers
470 views

Ever had LED bulbs cause AFCI tripping?

I replaced a 50W halogen gu10 bulb in a ceiling fixture on an AFCI-protected circuit with a 5W dimmable LED bulb, and it trips the breaker after a few seconds (even after reseating the bulb). Another ...
2
votes
1answer
2k views

Why doesn't this LED strip work, even though the power supply seams appropriate?

I recently bought a 3528 SMD Flexible LED Strip, 300 LED for 5 M. The Power Supply I have output 12V and 3A. From what I found online, this seams okay, but it doesn't work. I managed to light them ...
0
votes
1answer
4k views

How do I best display LED strips so the bulbs are hidden from sight?

I want to put this LED strip in my room, which is a box shaped room with white walls. I am sure I am supposed to hide the LED strip lighting, but I am at a loss on how to make a suitable coving or ...
1
vote
1answer
599 views

What do I need to do to change from Halogen to LED?

I want to update a few rooms in my house from halogen to LED light. The fittings I already have are for the MR 16 style (2 pins). Having the ability to dim the lights is not important. I found ...
2
votes
3answers
1k views

What is the simplest way to create custom decorative LED-lighting?

I have always wanted to build decorative lamps with LEDs (application example: imagine a model boat with Xmas lights). Is there a way (commercial, or custom-built) to power several LEDs, so that: ...
4
votes
1answer
10k views

Will a non-dimmable LED work if the dimmer switch is on full?

If a dimmer switch is fitted for the room but we get non-dimmable LED lamps (GU10), I know there may be flickering problems with dimming, but will they work fine if the dimmer is turned to max?
1
vote
0answers
2k views

What new technology replacements are available for incandescent globe light bulbs for the bathroom vanity light?

I have a bathroom vanity light fixture with a row of exposed globe light bulbs. They had been burning up recently, and I was wondering if there are reliable CFL or LED globe bulbs available as a ...
3
votes
5answers
18k views

What are my options for replacing 50W GU10 lightbulbs?

I've been looking at replacing 50W GU10 halogen lightbulbs for something more energy efficient. Some people say that LEDs cannot give you the same light (even 10W LEDs), and to use 11W CFL instead, ...
7
votes
2answers
11k views

How to find LED Christmas lights that look more like traditional incandescent bulbs?

We just bought some LED Christmas lights that are labeled 'warm white', but when we hook them up they look ugly in the light they emit and seem very blue in their color to me. The specific kind I got ...
0
votes
2answers
3k views

Is the light quality of halogen/LED low-voltage recessed light actually better than an equivalent line voltage light?

When it comes to deciding whether to go with low voltage or line voltage, a number of sites are in essence saying: your initial installation cost for low voltage will be higher, but you'll get a nicer ...
2
votes
3answers
6k views

How to reduce brightness of recessed LED?

I have recessed LED in the bathroom which is way too bright. LED is dimmable but I can't put regular dimmer in front of it since it has small switch shared with two other switches. Neither I need ...
4
votes
3answers
2k views

Does the Lutron Maestro C.L Dimmer Exist?

Lutron offers a family of "C•L" model dimmers (for use with dimmable CFL/LEDs) which includes the Maestro product line: http://www.lutron.com/EDUCATION-TRAINING/LCE/Pages/DimmingCFLsandLEDs.aspx#...
2
votes
1answer
8k views

How can I dim LED Christmas lights?

I bought two different strings of LED lights of the same brand to replace my old lights with LEDs. Big multi-colored C9 bulbs with dangling white icicle strands of T1 bulbs. The problem is that the ...
3
votes
4answers
2k views

How can I light picture frames from the floor?

I would like to light up three picture frames with something from the floor. They will be behind a sofa so we wouldn't see them and the picture frames are about at 1.5 meter above the ground. I have ...
6
votes
2answers
7k views

What are the pros and cons of LED vs CFL vs incandescent bulbs for outdoor lighting?

I'm planning to install some light on my balcony and was just wondering what would be the best choice of lamp. I live in a relatively cold climate, and the current temperature at night is around -10°C....
4
votes
1answer
2k views

Replacing Halogen with LED bulbs

I've just purchased some 12V LED MR-16 bulbs, intending to use them to replace the existing 12V Halogen MR-16 bulbs in my bathroom. I have found, much to my chagrin, that the LED bulbs seem to have ...
11
votes
4answers
10k views

What are the pros and cons of LED lighting for home use?

I'm interested in installing LED lights in my home, and I'm having a dilemma between buying LED bulbs and rolling my own solution. I have some questions on how to DIY: How efficient is it? Single ...
0
votes
3answers
1k views

Where can I find LED indoor floodlights?

Where can I find LED Indoor Floodlights? I have recessed lighting and one of the lights over a nook in my house gets the person hot who sits under the light for too long - plus LED is more energy ...