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1answer
32 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 ...
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0answers
22 views

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

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 ...
1
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1answer
22 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,...
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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
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1answer
14 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 ...
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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 ...
0
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1answer
16 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 ...
0
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1answer
33 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-...
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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 ...
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1answer
31 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 ...
0
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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 ...
0
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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
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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 ...
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2answers
39 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
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 ...
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2answers
62 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
1answer
50 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 ...
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2answers
20 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 ...
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2answers
42 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. ...
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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?
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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
89 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
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1answer
130 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 ...
1
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2answers
87 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 ...
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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 ...
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2answers
214 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 ...
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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 ...
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 ...
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votes
2answers
647 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 ...
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 ...
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0answers
42 views

Philips Hue dimmer switch detailed manual

I have bought a couple of Philips Hue white sets, including two dimmer switches, and started playing with them and various compatible apps. Normally, a dimmer indicates the command transfer by a green ...
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1answer
45 views

Modify T3 Bulb for a T4 Socket

I messed up and got G8 T3 LED Bulbs to replace G8 T4 Halogens. The bulbs work just fine in the sockets except the pins are smaller than the socket was designed for (T4) and don't stay well. They ...
1
vote
1answer
17 views

120V LED Light Power Supply

I have an LED driver: But I cannot understand the 12-40V @ 350mA and what I should be looking for to replace it with. The light gives no indication of voltage or draw so I'm trying to match this ...
3
votes
1answer
35 views

Only 2 of the 3 LED bulbs lite up

Two light fixtures in bathroom with 3 bulbs each. They can can 100 watt incandescent, I have 800 lumen LED, and there is a dimmer switch. In both fixtures, going left to right, the first two bulbs ...
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6answers
4k views

Can I safely use a 9w LED bulb in place of a 40w incandescent?

I bought a reading lamp that on the box says: Max 1x40W The shop also sold me an LED light bulb that says: 9W=75W So my question is, can I use light bulb or not? I am confused between the 75W and the ...
4
votes
1answer
64 views

How do I label fluorescent fixtures converted to LED?

I am going to replace some regular fluorescent tubes that are about to burn out with LED ones and would like to add a sticker inside the fixture to advise a future owner to not install regular ...
3
votes
1answer
72 views

Can I cut the recessed lighting housing rails to make them fit in joists 12" apart?

I have this guy -- I got new work since the drywall was removed. Can I cut the excess rail (past the nail) so it fits the joists, which are 12" apart? Or does that mean they're isn't enough space ...
3
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2answers
200 views

What does it mean when a lamp/led starts blinking randomly?

Recently I noticed that my led bulb turns on/off for a split second randomly over the past few days. Does this mean it is starting to die or could it be something wrong with the lamp? I've unscrewed ...
2
votes
2answers
86 views

Can I replace tungsten-halogen lamps with an LED version?

I've a lamp which uses 12 bulbs of this kind, and I've very little knowledge about this kind of thing, so despite it seems feasible, I don't know what information I should look for, and what kind of ...
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 ...
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0answers
31 views

Dimmable LED's dim for a minute then stop dimming

I installed a new light fixture in our bathroom. The new fixture allowed bulbs with more lumens, so I decided to put a dimmer on the light. The bulbs I used are Great Value Dimmable LED bulbs. I ...
0
votes
1answer
91 views

LED Light Glowing

I just replaced a wall lamp with an LED lamp. When the lamp is switched off, the LED has a faint glow. It isn't a phosphorescent glow; it is receiving power. I noticed it at 4:00 AM after it had been ...
0
votes
1answer
34 views

LEDs to illuminate underside of king bed

I purchased a king sized bed that was designed in the 1980s, and it was lit from underneath. I thought that the bed was arriving with this lighting still in place, but the lighting was evidently ...
0
votes
3answers
65 views

Can I replace 1 volt lights with 2 volt lights?

The 1 volt LED lights in my range hood are going out and very dim, almost like a night light. Cheap hood. I cannot find replacement bulbs for these because the bulb cannot be removed. The whole kit ...
1
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0answers
51 views

25 degree by 36 degree (oval) LED light beam spread

I have some Philips PAR20 2700K LEDs in my house. Some are 36 degree, others are 25 degree beams. I was wondering if there is any way to get an oval beam LED light bulb, as in a 36 by 25 degree light ...
0
votes
1answer
82 views

How do I connect several led strips to build a single light panel?

I want to build a very bright rectangular light panel (ca. 1mx0.7m). The idea is to put 8 rows of led-strips behind acrylic glass. I'm using an optonica 5050 led strip that wants 14.4W per meter. I ...
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vote
2answers
59 views

Is it possible to recognize a flickering LED from its technical data?

LEDs often flicker and I hate it. You rarely see it directly, but you can recognize it when you do fast movements with your hand or so, while the LED is the only light source. The movement then does ...
1
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1answer
94 views

Why have my LED bulbs started flashing when I turn them off?

I have six LED bulbs in my flat. They’re all the same model (LE 10W A60, bayonet fitting), and they were all purchased at the same time – September 2014. I bought them as a set of five and a single, ...