Questions tagged [led]

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

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1answer
24 views

ELV fixture + Maestro ELV dimmer does not dim, it simply switches

I just installed a Maestro ELV dimmer connected to a LED ELV-compatible fixture (WAC lighting). The fixture does not dim however, it is 100% on at all dimmer settings and shuts off when the dimmer ...
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0answers
23 views

need to run 60ft high lumens led strip as cove lighting in recessed ceiling. also want to do rgb strip. need suggestions

I have 20+20+10+10 feet rectangle floating ceiling. i have pool table at that spot. so, i want to do bright white led strip which can run 60 feet. i also want to do rgb strip for that length. should i ...
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1answer
3k views

MR16 LED turns off after 10 minutes - regular halogen works fine

UPDATE: I checked reviews on the LOWES website - the Utilitech bulbs do this for everyone - they are just a crappy product. *** I have replaced several MR16 halogen bulbs in my kitchen with Utilitech ...
1
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1answer
34 views

LED light with built-in switch; installing auto-timer between switch & outlet,

LED aquarium light (a bar with many small bulbs) with manual switch built into cord; Customer requested automatic timer. Placed automatic timer between LED's plug & wall outlet. Functioned well ...
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0answers
33 views

New LEDs go dim

Last night, I got this made in China ornamental led chain lights for decking up my balcony. It was working well for a while until about an hour after operation when it became all dim. I've used such ...
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2answers
33 views

Switching off dimmable LED flashes then switches back on

I tried to swap out a 70W 240V incandescent bulb with a dimmable 8.8W 220-240V LED. The switch is a dimmer switch, which probably has an old leading edge driver (the building is old). This mostly ...
0
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1answer
65 views

Can I connect two LED strip controllers for three-way control?

I am using led strip on 12 treads of a staircase. The lighting is to be controlled by a 4 zone rgbw dmx controller. Can I connect 2 controllers so I can have 3-way operation ie. on controller at the ...
1
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2answers
143 views

LED lights with a dim light in open circuit

I was installing new LED lamps on my kitchen, which seemed to be functioning well. After turning off the lights, the newly installed lamps still had a dim light, that kept itself for quite long. I've ...
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4answers
52 views

Wattage of adapter for LED strip

I have LED strip lighting under my cabinets in the kitchen. Recently, they started flickering with noise. Worked fine for a couple of years. I believe it was the adapter that was faulty. Unfortunately,...
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1answer
73 views

Outdoor led wall panel - reacting when hit by a ball

I want to build a 10-15'' square or round wall panel and hang it on a wall. This I call the target. My son is supposed to hit it with a soccer ball. When he hits it the panel should change its color e....
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1answer
32 views

Outdoor LED lights runnng dim/flickering

These lights are Kichler hardscape step lights and mounted and installed professionally through a stone wall. They are wired to a 300 watt multitap transformer and the other two lines work fine. The ...
1
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1answer
86 views

Replaced fluorescent tubes with LED tubes, the LEDs only turn on when tapped

I bought FEIT replacement LED tubes at Costco, item number T48/840/LED/2, and swapped them in for fluorescent tubes (the thinner style). When I switch them on, the pairs of LEDs barely illuminate. ...
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2answers
95 views

Is untreated aluminium suitable as an LED heat sink?

I'd like to have a 5m LED strip lighting directed upwards from around 1m height (would be behind a desk and other furniture). My idea was a simple U shaped aluminium profile (so it can be screwed to ...
0
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1answer
86 views

Low-voltage LED Light string flickers when turned on, flickers go away after 2 mins

We have several low-voltage LED light strips in our light-up cabinets in the kitchen. They have all worked fine for 3 years. One of them has now started to flicker for a couple of minutes when turned ...
25
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9answers
85k 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 ...
1
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4answers
6k views

Is a ballast required, or merely acceptable, for this Philips InstantFit LED tube?

Rather than replace a dead ballast in a fluorescent fixture, I've decided to simply bypass and move to LEDs. However, I think I may have grabbed the wrong kind of replacement tubes the other day in ...
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3answers
356 views

Air compressor makes LEDs flicker

About 2 years ago I converted an automotive shop from florescent to LED T8(120 volt). They worked great until we changed the compressor today to a new more efficient and more powerful one (both 240 ...
0
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1answer
33 views

LED lamps and fluoro replacements

I have recently purchased LED lamps and magnet attached circular units to replace old fluoresent tube units. The individual lamps in the format of a standard 240v lightbulb are no ...
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0answers
29 views

LED track lights slowly turn on one by one only to work at a fraction of output

I'm having a weird issue with my LED track lights and I can't seem to put my finger on what exactly is causing it. They seemed to work just fine until recently. Now whenever I turn on the lights, they ...
0
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3answers
93 views

LED T8 tube replacement

I had replaced the two T8 Philips fluorescent tubes with two Utilitech YGA05A32-T8-18W-840-T LED tubes quite some time back. I did not change any of the ballast wiring and all worked fine. A few ...
2
votes
2answers
5k views

LED strips quit working

I replaced all of my under-counter fluorescent light strips with Connecting LED strips two years ago. I thought they were supposed to last forever? Last week, one strip went out. A week later two ...
1
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0answers
71 views

Why LED bulbs doesn't work?

I bought London 3 light lamp and put 3 LED bulbs 6W. and doesn't work. Only when I switch on then flashed for second but only 3 times. Normal lamp works without problem. There is 2 cables. 1 cable to ...
1
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1answer
257 views

LED Light fitting has started making clicking sounds after power outage

The other day we had a power outage and apparently surge that was enough to blow out the PSU on my computer. A day or two later I've noticed the ceiling light in my office is now clicking, regularly (...
1
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1answer
120 views

Do LED dimmers work with non-LED bulbs?

I've been switching to LED bulbs wherever I can for the past few years but one thing I haven't done yet is switch my dimmer switches over to LED compatible dimmers. One issue I've had trouble ...
1
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1answer
43 views

Fluorescent lights sometimes don't turn on

I have two T12 double-ended G13 2-pin 4 foot fluorescent lights in my bathroom. They often (maybe 1/3 of the time) won't turn on, with a very slight glow in one corner, then usually turn on after an ...
15
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2answers
3k views

How much power do LED smart bulb wireless control systems consume when the light is turned off?

I've been shifting to LED light bulbs due to the energy savings but I've a question about the new smart bulbs that are controllable via Alexa etc. These need to be kept "on" via the switch for them ...
1
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1answer
40 views

Surge Protection for Line Voltage LED Fixtures

I'm installing 120v LED recessed lights in a room, and I'm concerned about them wearing out prematurely. I've had bad luck in the past with florescent lights on the same circuit as the refrigerator. I ...
0
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1answer
56 views

NEC code-compliant hard wired hidden LED driver

What is an NEC code-compliant way to install a 15A 120V dimmer switch --> driver --> led strip set up that enables the driver to be concealed or out of view but accessible for an in-wall lighting ...
0
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1answer
19 views

How to set up this LED R7s lamp?

I would like to install an Osram LED R7s lamp using this holder in my living room. Now I'm wondering whether I can just hook it up with the AC like I would do with regular LED bulbs or do I need ...
0
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1answer
81 views

LED light needs replacing every few weeks

I have two GU5.3 bulbs in my bathroom - one of them went off a month or so ago so I bought the following 3 pack: https://www.wilko.com/en-uk/wilko-3-pack-gu53-led-345-lumens-spotlight-bulb/p/0437672 ...
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2answers
2k views

Can I use another brand of LED driver with IKEA lighting?

I'm planning on getting IKEA OMLOPP lighting. However, since I would need multiple Ansluta transformers and they are quite expensive, I was wondering if its possible to use a regular LED driver ...
0
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2answers
83 views

LED Tape Lights Strobing

I have tape lights that have worked perfectly for 6 years. They were wired into a switch and I have no idea if, or how a transformer was used. They are not on a dimmer. Even you you turn off the ...
3
votes
6answers
22k 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 ...
1
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3answers
114 views

Does my LED replacement bulb need to screw in all the way?

This feels like a very dumb question, but I just bought some LED light bulbs for my chandelier. I'm looking to save energy and thought upgrading my light bulbs would be a simple task. Well it seems ...
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0answers
27 views

Low voltage/low power on 2 out of 4 LEDs newly installed

PROJECT - Recently replaced two ceiling light fixtures with (4) Easy-Up 6 in. Deep Baffle Color Selectable Canless LED Recessed Kit, made by Commercial Electric. Also installed new switches; lights ...
2
votes
1answer
773 views

How to bypass the ballast on this fluorescent fixture?

I have some fluorescent fixtures in my basement that I would like to convert to LED, using bulbs that require a ballast bypass. However, these fixtures don't have a centrally mounted "black box" ...
0
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0answers
33 views

Fan led light unusual situation

We got new fan (hunter) It came with 4 traditional 40W lights. I want to replace these with 4 led daylight lights 6 w equivalent to 40W, I think. When I replace 1,2,3 out of 4 lights they are well ...
1
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1answer
62 views

Fast flickering LED kitchen light fixture

I have a LED kitchen light fixture which has been working great for around 18 months. There's no dimmer on it and it's controlled by a standard light switch. A couple of days ago it started flickering ...
2
votes
2answers
477 views

Why do these LED light bulbs flicker when my remote control has turned them off?

I bought some LED lights for my candelabra in my master bedroom. They're E12 bulbs (I think, since they do fit). Incandescents worked fine before. When I put these LEDs in there, they flicker when ...
2
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4answers
3k views

Why do my LED shop lights flicker when my compressor turns on?

I converted my shop to led from fluorescent.These are direct wire no ballast. Ran all new wires in conduit. The compressor is a 5hp single phase on a 60 amp breaker with 125amp main. I replaced ...
0
votes
1answer
1k views

How do I fix this wiring to properly run LED lights? (More details/products added)

The people that lived in the house before me did something odd. They evidently intended on putting in under cabinet lighting in the kitchen, so when they tiled the back wall all around the area, they ...
0
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0answers
48 views

Dimmable range on one circuit is different to another. Why?

We've recently had some dimmable spotlights installed in our dining room. We have a setup where we have 3 lights off one switch, and 6 on a second switch. The lights were not dimming very much, maybe ...
0
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1answer
66 views

Is it possible to drive led strips using a halogen driver?

I have a 12v halogen setup in my kitchen which I'm looking to replace with 12v led strips. I have everything working and the light strips work, until I unplug the halogen lamps at which point the leds ...
0
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1answer
74 views

very confused on the wiring for recessed lighting

Trying to retrofit LED can lights by bypassing the ballast. First light I retrofitted had 1 white, 1 black, and one green ground wire in the junction box, along with 2 red and 2 blue leading to the ...
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2answers
6k views

Converting LED String Lights from Battery to DC Power Supply

I've converted a string of micro LED fairy lights powered by 2-CR2032 3V batteries to run off of a 5V 1.0A Switching AC/DC Power Adapter. The lights are "Steady On" when powered by the batteries, but ...
0
votes
1answer
404 views

Why are the LED lights in my ceiling fan suddenly dim?

Installed ceiling fan with LED lights. Circuit has three way switches no dimmers. Lights worked fine for a 1-1/2 months, but then turned on one morning and lights are dim. Fan has a remote to turn on ...
1
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1answer
6k 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
950 views

LED's emitting high pitched noise

I have some LED lights hooked up to a trophy cabinet and for some reason it's emitting a fairly loud high pitched noise, does anyone know what this could be?
13
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6answers
58k 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 ...
3
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1answer
449 views

Lutron Maestro CL Extreme Delay

I've had nothing but success with using Maestro dimmers on both LED and incandescent lighting for years, but recently picked up a new dimmer (MACL-153M-WH) and a pair of G7 Elko LEDs (30W total) and ...