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0
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1answer
36 views

Blue LED always on with led light strip

The blue leds on my led light strip started acting weird just recently. For some reason, the blue leds are always on. When changing colors, the blue led is on, when powering off the strip with the ...
0
votes
0answers
22 views

Where can I purchase a light bulb housing for a DIY project? [closed]

I'm trying to attach and Arduino Pro Mini with a 2.4ghz radio to an LED light bulb -- the problem is, I can't find anyone that sells just the housing of a bulb, preferably with a little space in the ...
0
votes
1answer
36 views

dimmable led bulbs won't work in dimmable fixture

Our living room has 4 dimmable lights controlled by 1 switch and slider. Many years ago, we replaced the incandescent lights with fluorescent bulbs (we didn't know that fluorescent bulbs don't dim out ...
1
vote
1answer
23 views

dimmer switch for both low voltage LED and leading edge at the same time?

I'm installing LED ceiling lights that come with analog low voltage control for dimming (i.e., 4 wire). However there is one existing sconce light that I hope to not replace. Would like it to also dim,...
1
vote
1answer
30 views

Adjacent room light switch causing LED lights to display tiny bit of light

I have three rooms in my basement that have all their ceiling light circuits wired up in sequence. They are all single switch circuits and the first two rooms have 4 ceiling lights each and the last (...
0
votes
1answer
15 views

Ceiling Fan light enclosure - CFL only lights

We have a few ceiling fans at home with an enclosed lighting. There's a sticker inside it saying 2X20W max, CFL lights only. What is the reason they are restricted to CFL light only? I tried putting ...
1
vote
2answers
75 views

Does dimming preserve the life of LEDs?

I recently installed some decorative LED shelf lighting (specifically these if it makes a difference). The manufacturer says they will last 50,000 hours, where "last" means maintaining 70% of lumen ...
3
votes
1answer
3k views

Why won't a LED bulb work in a standard light fixture?

I have a wall fixture in my Brooklyn apartment's bathroom that is my only source of light. A sticker on the fixture says that it is Max 75W. The other day, the 14W / 60W equivalent CFL that was in it ...
0
votes
1answer
89 views

Led strip lights

Hi I have installed a small run of LEDs but they do not work at all unless I reverse the connection that goes directly on to the stip so that it's not lining up with 12v symbol. I tested everything ...
3
votes
3answers
14k views

How can I replace failing ballasts in recessed CFL housings if I don't have access to the attic?

I have a set of recessed CFL (4-pin) lights and a few of the ballasts are failing (CFLs fail to start randomly, even after replacing them with new sets). They are NHPSIC-626ELAT, CFL (4-pin) fixtures....
0
votes
1answer
17 views

Why is my touch sensitive switch leaking voltage?

The setup: I have a 2 gang touch sensitive switch which has a live feed coming into it from mains light circuit, which also goes on to feed the switch above too (same 2 gang touch sensitive switch ...
4
votes
2answers
5k views

LED lights delayed when turned on

I had my house built last year and after moving in noticed that in our living room (6 led downlights) when we turn our lights on 5 turns on at once and the 6th one will be delayed ranging from 1/2 sec ...
0
votes
1answer
34 views

live and neutral, led driver?

i just bought an led driver. but it has two white wires for the mains. I was wondering which wire is live and neutral. http://www.banggood.com/12V-DC-18W-Power-Supply-LED-Driver-Adapter-Transformer-...
1
vote
0answers
44 views

LED Bulb Color Temperatures

Why are 99% of the LED bulbs in stores either 2600K or 5000-5200K? I prefer 3000K - 4200K but have only found 1 option in all of my searching. Is there a technical reason, a marketing reason, or a ...
0
votes
2answers
43 views

Is it possible to increase CRI of LED lights/strips by using different ones together?

Several spectrometer-measurements of CRI of LEDs are available online such as for LED panels and for various LED bulbs and they show how the CRI value can hide serious issues with colour rendition. ...
0
votes
1answer
98 views

When connecting LED tape lights to a transformer, should I daisy chain the strips or install home runs for each strip?

I'm in the planning stage for adding under cabinet LED tape lighting. I have four seperate cabinet areas to reach. Before I drywall I'm planning to install a standard wall switch that goes to an ...
0
votes
1answer
32 views

Two 3-way dimmers on 6 LED lights - lights blink when on

I wired 6 LED ceiling lights, and I want to control it from two sides, so I used 3-way dimmers on both sides. Everything works, I can dim the lights from both sides, but they blink. I wired a 3-way ...
17
votes
3answers
4k views

Why do my led bulbs state: not for use in totally enclosed luminaires?

I recently bought some nice inexepensive LED bulbs but I noticed the warning states: (see image below) not for use in totally enclosed luminaires I am guessing that it gets too hot but I find it ...
4
votes
2answers
160 views

How do those glowing LED faucet aerators power themselves?

Do a web search for LED faucet aerator and you'll see dozens of different color-changing faucet aerators (and showers), most of which are powered just from the stream of water. How do they generate ...
0
votes
1answer
19 views

Replacing Dimmable Halogen Spot light with LED dimmable or non Dimmable LED spotlights

I have old fashion dimmable halogen spotlight mounted on my ceiling, and I would like to replace them with LED spot lights. My questions are: Would I have to replace the existing transformers to ...
2
votes
2answers
353 views

How can I make a bluish “white” LED less blue?

I recently bought this white LED reading lamp. I like it a lot, but the "white" light produced is significantly blue; I'll guess its color temperature is about 5000K. I've noticed that, when this is ...
0
votes
2answers
47 views

How can I make my white LED strip light warmer? [duplicate]

I recently bought warm white LED strips and installed them. Even though they are considered "warm" white (3000K), the light is very white and not close to incandescent light and it hurts the eyes. ...
0
votes
1answer
21 views

LED GU10 lights come on randomly

I have 2 new GU10 lights in a circuit controlled by an electronic dimmer (they are dimmable LEDs). They come on at random times at irregular intervals. I've had other LEDs that have worked ok, it's ...
1
vote
2answers
64 views

How to attach 10 AWG wire to LED strip lights?

I'm running LED light strips from a location that is over 50 feet from the LED transformer. In order to account for voltage drop 10 AWG CL2 wire has been used. Questions Since the 10 AWG wire is ...
0
votes
2answers
40 views

Failed LED corn bulbs in bathroom

In a basement bathroom, I installed three LED corn bulbs. They're the type sold on eBay direct from a manufacturer and have rows of LED's arranged in rows like a corn cob. I appreciate being able to ...
0
votes
1answer
52 views

Why won't my security lights turn off after I upgraded to LED bulbs?

I replaced old halogen lights with new LED bulbs. Now they seem to stay on a little. They look dim, like a very low wattage bulb. Is that normal? Or do I need to change the sensor/switch? It only ...
8
votes
5answers
11k views

Is an LED light strip safe to use under a bed?

I see a lot of RGB LED light strips being sold on sites like Amazon etc. The lights appear to be of decent quality, run off of 12V but do need up to 5-6 Amps to power. This is a lot of current, so I'...
0
votes
1answer
22 views

Can I connect two LED lights to the same power driver?

I have two Lights (12V, 18W each) originally designed to be installed in automobiles (trucks for flood lights). I want to use them as work lights and install them both on the same support. I would ...
3
votes
4answers
4k views

Problem with GU10 LED bulbs tripping out power

I have had some re-plastering and re-decorating work done in my kitchen. I had a new light fixture installed which takes 6 GU10 type bulbs. When the light fixture was first installed I placed 6 LED ...
0
votes
1answer
39 views

How many 5 metre strips of 5050 LED lighting will a 6 amp driver feed without overheating?

How many 5 metre strips of 5050 LED lighting will a 6 amp driver feed without overheating?
0
votes
2answers
21 views

Strengthening LED strip light flex base

Recently I purchased 10 meters of non water proofed 3285 RGB LED strip. Its resistors and LEDs are soldered on flimsy flex which may tear. What can I do to make it strong? I'm planning to stick it ...
2
votes
2answers
3k views

What voltage adapter do I need for a 5 meter 5050 LED strip?

I have a 5050 5 meter LED strip and it requires an AC/DC adapter to run the full strip. I was told that I needed a 2A adapter, but I went to electronic store to buy an end adapter and they said this ...
2
votes
2answers
2k views

Traditional Recessed Lights or the New “clip” LED Panels?

I'm finishing my basement (exposed ceiling, will be putting in roxul safensound) and I have a dilemma. Home Depot just released these new 4" puck/panel lights with integrated LED driver. I'm ...
0
votes
0answers
9 views

New Installed LED Fixture and Lamp Dims Sporadically

I recently had an electrician install new LED fixtures, trim and dimmable lamps. There are a total of 6. Three of them are controlled by one dimmer switch. One of those three occasionally goes dim ...
0
votes
1answer
45 views

Dimmer not turn the LED on

I have install 2 Lutron 150W(LED) dimmer and connect it to 2 LED recessed light and 6 LED recessed light respectively, all LED light are 5W(6000K) with a driver of it own. There are few problems ...
0
votes
1answer
90 views

Why do my LED bulbs have such a short lifespan?

I love LED lighting. I have played with them for years soldering up my own fixtures and DC power supplies. But these LEDs were from Radio Shack, and cheap. Now I am trying to light my abode with ...
3
votes
2answers
49 views

Replacing 3-way dimmer switch with 3-way switch

I've recently installed smart (ZigBee) LED bulbs in my kitchen. These lights are on a dimmer switch, and even when I have the dimmer all the way up, the bulbs flicker when their internal dimming is ...
0
votes
1answer
44 views

How to fit an LED transformer / driver

In my front room I have 4 wall lights. Each light takes 2 G4 bulbs. I've put some 2.5w dimmable LED bulbs in them and they work fine. However, I want to make them dimmable and currently when I put an ...
1
vote
1answer
133 views

Can I install a LED Transformer in a junction box?

I want to put a series of LED tape lights under the bathroom medicine cabinet. My bathroom has a series of lights above the medicine cabinet that are controlled by a switch, and I'd like to tie the ...
2
votes
2answers
124 views

One specific light fixture seems to be killing my LED bulbs

I have all LED bulbs in my house, the nice CREE models that look like this. They've all been great, except for the ones I put in my bathroom's four-bulb fixture. One by one, all the bulbs in this ...
1
vote
2answers
88 views

Spot light LED bulbs (MR16) flash once when turned on. If I put 1 normal halogen in then it solves the problem. Why?

I have 5 spot light bulbs in my bathroom. All use MR16 connection. I replaced them all with 5w LEDs and when I turn on the switch they flash once then go off. If I remove one so there's only 4 then ...
4
votes
7answers
9k views

Will switching to LED lightbulbs make a significant difference in my electric bill?

I asked Reliance Controls about a THP103 meter that I was having trouble with. Turns out that it's not a true RMS meter and thus is unable to give you accurate readings on a CFL or LED installation. ...
1
vote
2answers
50 views

Retrofit a ceiling light with RGB LED tape/lights?

I have a ceiling fixture in the kitchen that I like and can't find a replacement electronic ballast (Tospo TP120-1/26UPL 26W). A replacement fixture has been hard to find and stupid expensive. I ...
5
votes
1answer
15k views

Why does an LED light turn on and off irregularly while the switch is in the on position?

We have had a LED light in the family room for several months now. In the past week it has started to act funny. We turn on the LED light and after a while it turns off and then goes back on and then ...
1
vote
2answers
216 views

LED light bulb flickering in socket, incandescent works fine

I have a couple of outdoor light sockets with built in motion detectors. These seem to work as you'd expect with regular incandescent bulbs- you can set a timer for how long you want them to be on ...
0
votes
0answers
46 views

LEDs on dimmer, left alone, eventually fade to off

I replaced some halogen bulbs in my recessed cans with some LED retrofit kits I also replaced the dimmer with a new digital LED dimmer. When I dim the lights down to a low-ish setting, I can wait ...
11
votes
3answers
100k views

Why do my LED lights stay on, even when the switch is off?

I have two LED lamps in my corridor, and when I switch them off, they keep emitting light (not very strong, but it's annoying at night). What can it be? How can I fix it?
1
vote
2answers
1k views

How can I connect my LED strip lights?

I bought this white-only LED strip lights off amazon, and it has a DC jack. However, when I search on the internet, there seems to also be 4-wire cable and 2-wire cable. I'm asking this because I ...
1
vote
2answers
6k views

How can I control several LED strips with one remote control?

I want to install several LED strips that cannot be connected to each other. Each would have it's own power supply. Is there a way to control them all with a single remote control? I seen several ...
-1
votes
2answers
657 views

What's needed to add an Osram Lightify bulb to a Philips Hue installation

I have started my experiments with Philips Hue with white bulbs, and so far it looks appealing. I would like to go on and add some more interesting bulbs, namely Osram Lightify Tunable White. Googling ...