The tag has no usage guidance, but it has a tag wiki.

learn more… | top users | synonyms

0
votes
0answers
7 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
64 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
35 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
41 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
53 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
vote
2answers
68 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 ...
1
vote
2answers
35 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 ...
1
vote
2answers
85 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
39 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
75 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 ...
-1
votes
2answers
267 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
0answers
22 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 ...
0
votes
0answers
31 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 ...
2
votes
1answer
32 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
16 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
34 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 ...
17
votes
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
56 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
64 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
votes
2answers
137 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
63 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
72 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 ...
0
votes
0answers
29 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
81 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
vote
0answers
47 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
67 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 ...
1
vote
2answers
58 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
vote
1answer
74 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, ...
1
vote
3answers
141 views

how can I convert my AC under kitchen cabinet lights to LED lights?

Under my kitchen cabinets I currently have 120 volt AC florescent lighting. I want to replace these lights with brighter LED strip lighting, which typically is run using 24v DC current. The lights ...
0
votes
1answer
97 views

Electrical current leaking from light fixture when off [duplicate]

I recently migrated from Incandescent to LED light bulbs. I changed my old dimmer switches to LED compatible dimmer switches (all 3-ways). When on, the lights work fine, but when turned off, I noticed ...
3
votes
1answer
143 views

Extractor fans not working with LED bulbs?

I have 2 bathrooms, each with both an extractor fan and a ceiling rose mounted light bulb. The fans are Greenwood Airvacs. They are 20 years old. The fans have automatic run ons of about 15 minutes ...
2
votes
2answers
116 views

Flickering lights

I am in the process of updating my guest bedroom and my first goal was to install LED recessed lights along with a ceiling fan(no light kit). The fan is powered by its own dimmer switch and the lights ...
0
votes
0answers
16 views

12V GU4 1.2 W LED 3000 k Capsule

I'm in the U.K. and not very familiar with anything electrical. I Replaced 10 x 12V 10W GU4 halogen capsules with 10 x 12V GU4 1.2W 3000k LED Capsules (Philips). When I switched it on, it flashed on ...
0
votes
2answers
170 views

How to design an LED ceiling lamp

I've spend some time googling, but the ROI has been low. I want to make my own ceiling lamp -- I probably remember just enough electronics from Uni to get into trouble, so I'm trying to find a good ...
0
votes
0answers
139 views

I installed led strip lighting in parallel and they burned out

I put 4 strips in my action figures cabinet, and combined all 4 positive wires and all 4 negative wires, and then connected them to a 12V power supply. I turned them on and after like 5 mins they shut ...
0
votes
1answer
44 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
0answers
24 views

Slow dimming of LED path lights [closed]

The LED lights that illuminate a pathway are on a timer but because of Health and Safety concerns I would like some of the lights to dim slowly so that people are not plunged into darkness.Maybe I ...
0
votes
2answers
48 views

Is it possible to power/turn-on LED lights through a lamp switch?

I'm trying to make a lamp from my gf's favorite beer. It's a bomber(16oz) bottle that I'm running a DIY lamp kit through. I'd like to add two little red LED lights that are connected to the switch ...
17
votes
3answers
2k views

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

I recently bought some nice inexepensive LED bulbs but I noticed the warning states: (see image below) not for use in totally enclosed luminaries I am guessing that it gets too hot but I find it ...
0
votes
2answers
114 views

LED Light bulbs always blow prematurely in ceiling fans

I've seen related questions to this - where the standard bulbs keep blowing prematurely in a ceiling fan. As a result of the general issues of wobbly fans and possible current instability, I got some ...
2
votes
2answers
114 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 ...
0
votes
1answer
53 views

Suggestion for daylight high lumen bin-pin LED bulb [closed]

Here are some photos of the fixture. I’ve been searching around for a GU24/bi-pin base daylight LED with more 1400 lumens. Amazon and HomeDepot didn’t help much. I found quite a few bi-pin ones but ...
0
votes
1answer
103 views

Running a series of LED lights I have questions on 12 v power

Hello and thanks for your help. I will be as precise as I can I have 112 feet of 8 foot flouersent bulbs (14 8 ft units) The current configurations are so that the fixtures are run in a series of ...
1
vote
3answers
109 views

Is it safe to mix LEDs and incandescents in a chandelier?

I've been having an issue for a while now where my chandelier light fixture installed with six Cree 60W LED replacement bulbs flickers when I raise my traditional dimmer to max brightness. As I ...
2
votes
1answer
1k 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
1answer
62 views

LED lighting question

I have a chandelier that takes 5 25w candelabra based bulbs. It does not put out enough lumens based on using incandescent bulbs. I figured I would then purchase LEDs that use much less wattage but ...
0
votes
0answers
45 views

LED spots flickering problem

We have four LED spot lights or down lights maybe, at 12V (AC/DC), 10W. (We don't have any more information unfortunately) We have them connected in parallel with a driver that outputs 15-34V at ...
2
votes
1answer
70 views

Two-way or two-strength LED bulbs

We have a Vent-a-hood over our stove with halogen lights. There's a switch for low level and high level lighting using the same two light bulbs. Would like to replace with LED GU10. Our first attempt ...