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

learn more… | top users | synonyms

0
votes
1answer
29 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 ...
1
vote
2answers
361 views

Delay when powering LED light strip

I made a "shop lamp" out of an LED strip and power supply. When I plug it in there is a 1-2 second delay before the lights are powered up. Do some transformers have a shorter delay than others?
1
vote
1answer
1k 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 ...
0
votes
3answers
61 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
2answers
1k views

Why do LED lights with a dimmer stay dim and won't go bright again?

I have a chandelier with five lamps. I brought an LED compatible dimmer and changed out the switch for the dimmer. I brought five dimable LED bulbs. The bulbs and dimmer worked for a little while, but ...
1
vote
2answers
63 views

Switching to LEDs: 12v LEDs on existing transformer or remove transformer and use 240v LEDs - Which is better?

I have +/- 50 10w halogen lights running on transformers at 12v. I want to switch these to LEDs. Some quotes are coming in with keeping the 12v transformers and getting 12v LEDs and some are on ...
2
votes
3answers
3k 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
42 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 ...
0
votes
1answer
27 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
28 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 ...
1
vote
2answers
56 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
2answers
5k 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 ...
4
votes
2answers
2k 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
154 views

Dimmer switches & LED lights: Lights keep turning up to max and won't stay dim

I'm a tenant in an apartment and we're having strange lighting issues. We have a dimmable light switch panel in our lounge with 2 controls, controlling 4 LED spotlights each. The dimmers make a ...
0
votes
1answer
31 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, ...
0
votes
1answer
74 views

LED night light sensor

it's very weird but my led night light in the beginning worked properly meening it would turn on when in dark. After a short while of use it starting doing the exact OPPOSITE. It turns on when in ...
0
votes
2answers
119 views

What do I need in order to install under cabinet lights?

I want to install hardwired, under-cabinet lighting, but I need some guidance on what kind of devices (transformers/drivers/adapters) I need to complete the project. I know very little about ...
1
vote
2answers
50 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 ...
1
vote
1answer
329 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
89 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 ...
2
votes
2answers
72 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 ...
3
votes
1answer
71 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 ...
0
votes
1answer
46 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 ...
2
votes
1answer
124 views

Why would an LED stop flickering when connected in series with an incandescent?

I recently bought some LED replacements for G4 base under cabinet light which has 3 sockets. When I put the first bulb in I noticed it was very dim with a bad flicker. Adding the next two made the ...
0
votes
0answers
15 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
65 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 ...
6
votes
3answers
48k views

What does that mean if my LED light bulb starts blinking when I turned it on?

I have an LED light bulb: Philips 60W incandescent equivalent I've owned it for about a year and have been very happy with it. This morning when I turned it on, it started blinking. Not flickering, ...
1
vote
2answers
85 views

Is it possible to use LED lamps in ceiling r80 eyeball fittings

I have a pair of eyeball style R80 100w fittings in my kitchen. These are horribly inefficient, so I recently tried replacing one of the bulbs with an 18w LED lamp (a LEDLite branded one from TLC ...
2
votes
1answer
121 views

When I turn the light on/off on one circuit, it makes the light “blink” off/on on another circuit

I apologize for the long post, but I wanted to provide as much info as possible. Recently I started a DIY home electrical project to replace a lot of light fixtures, the light switches, and the ...
4
votes
2answers
4k views

What should I do to increase the dimming range of LED bulbs?

We started doing most of our homes in LED last year. I am a big dimmer fan and would pretty much put a dimmer on any light switch. One thing that I haven't gotten down is the dimming range of the ...
0
votes
0answers
15 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
39 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 ...
1
vote
1answer
631 views

Why is my 12VDC LED flood light flashing when powered by a LED magnetic driver?

I just bought a new outdoor LED Flood lights which i plan to use on a field. However, when connected to a power source, the lights keep flashing and has a humming noise. The flood lights are 12vdc @ ...
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
77 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
1answer
81 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
50 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
69 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 ...
0
votes
3answers
61 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 ...
8
votes
4answers
9k 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 ...
0
votes
1answer
57 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 ...
1
vote
1answer
93 views

3-way led bulb problem

I have tried 2 3-way LED bulbs by GE. The settings are 50w, 100w and 150w. They have the same base configuration as incandescent 3-way bulbs (extra ring around center contact). When I turn it to the ...
2
votes
1answer
50 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 ...
0
votes
0answers
43 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 ...
0
votes
1answer
35 views

AC to DC LED dimmer

Alrighty - I am working on a home project. I know SOME electrical engineering as I have a masters in physics. I am wanting to install a LED dimmer in my home. The LED dimmer I have found online ...
0
votes
2answers
47 views

Add LEDs to ceiling fan

My baby seems to love watching the ceiling fan spin. Not sure if he is retarded, bored or just super fascinated. Anyway; I was thing, perhaps I could add a few LEDs to the fan blades. My question to ...
0
votes
3answers
2k views

Can I put a LED tube in a high frequency ballast fixture without removing the ballast?

To replace my old fluorescent tube lamp I bought a LED tube. The old fixture was one with an electrical ballast and without an additional starter as shown below. I read that I was supposed to ...
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
3answers
85 views

Can I Connect RGBW LED Strips With LAN Cable?

I'm in the process of remodeling my kitchen. I plan to install RGBW led strips on the top of the upper cabinets, below upper cabinets and below ground cabinets. I have to close off any wall holes and ...
1
vote
1answer
63 views

One Big Power Supply vs Multiple Smaller Ones

I'm remodeling my kitchen and decided to get LED strips. I already know the necessary power for my LEDs, but I want to decide whether to power them all from one source or multiple sources. These are ...