Questions tagged [led]

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

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How can I reduce RF interference from LED light tubes?

? I picked up a dozen 3 bulb fixtures at the local habitat and installed them in my shop . Since the fixtures had no tubes I installed Sylvania Substitube LEDs . The lights work great , instant on and ...
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1answer
2k views

LEDs in a multi-bulb fixture only dim when installed alongside a single 60W incandescent bulb

I have a 'Sputnik'-style ceiling light fixture that accepts about 12 bulbs. I installed 12 LED bulbs into the fixture. However, the fixture was just too bright with 12 LEDs, so I installed a dimmer ...
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1answer
62 views

Light bulb suddenly only turns on for a moment, tried multiple bulbs

So when it happened, I tried to turn on the light (that worked fine before) and it lit up only to go off shortly after. subsequent tries were met with failure. So I changed the bulb for a new one. No ...
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0answers
64 views

powerline adpater (ethernet) and recessed LED lights in the same room (same circuit)

I used to have computer, laser printer and a powerline adapter off the same outlet in the same room with no issues. I added recessed lights in the room, and now this trips the circuit breaker. The ...
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0answers
219 views

LED lights with programmable wall switch

I've recently replaced a standard 3-pole switch with the Honeywell RPLS540A programmable switch. The product says that it is not compatible with CFL or LED lighting. I foolishly did not read the fine ...
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1answer
3k views

Blinking/flashing LED porch light

I have a pair of LED porch lights. One of them has started to flash/flicker. Do I need to replace it? It is not a bulb; it is built in. It is extremely cold out. Could that be a factor?
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0answers
146 views

Electrical - LED E14 size light bulbs not working in European Chandelier

We have a European chandelier that takes 6 E14 size bulbs. We currently use incandescent bulbs without issue, but we would like to switch to LEDs. We bought some LED bulbs, but they don't work - ...
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1answer
2k 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 ...
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0answers
1k views

LED ceiling fixture is super dim - why?

I'm stumped. I bought a Lutron Maestro MS-OPS2 occupancy switch and an LED light fixture for a closet when the old fixture's bulb burned out. Everything worked well for a couple of days, and then the ...
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1answer
2k views

Why does half of the christmas led lights dim down?

I have a strip of 3VDC (two AA in seires) christmas LED lights. 10pcs in one strip. I've been using a 18650 (4VDC), to make them shine brighter; after one week first half of them dims down from bright ...
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0answers
79 views

(UK) LED lights flash once after being switched off

I had a nice kitchen light fitting with 5x 20watt halogen bulbs (G4), and the transformer blew. I thought that now would be a great time to upgrade the transformer/fitting to support LED lighting. I ...
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3answers
88 views

LED bulbs in lamp sockets?

I have a table lamp that had standard 75 watt bulb (I believe in a 3 way socket) which suddenly lowered to about a 40 W, or less without my touching the switch. I replaced it with a new 8.5 W 60 W = ...
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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 ...
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1answer
78 views

Is a 150 watt LED suitable for a pendant fixture?

I want to replace a 150 watt incandescent bulb with a 150-200 watt LED bulb in my kitchen fixture which is a hanging 12-inch diameter fully enclosed glass ball. The guideline for the LED say it is not ...
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2answers
402 views

GE dimmer works with 3 LED lights, somewhat with 4 and not at all with 5

I've got a brand new single pole GE 14294 Z-Wave Plus dimmer. Before I try to connect it to z-wave, I wanted to make sure it was working. I have five LED lights (4W, 65mA, BR20 flood) lights in ...
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1answer
23 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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1answer
120 views

Can replacing LED light bulbs cause electric faults somewhere else in the house?

Yesterday I replaced a few old halogen bulbs in the kitchen and the hallway with LED bulbs - B22 and MR16. I was reading that the MR16s could be tricky has they might need an LED driver, I ordered ...
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1answer
160 views

Switching bulbs? PAR20 halogen to PAR20 LED, is this a problem?

I have recessed lights that were sold as 'PAR20 halogen' use. I see that there are PAR20 LED lights around, which would save some energy and last much longer than a halogen, and I was wondering if ...
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2answers
351 views

Replacing an LED Driver

I've got a failed LED driver that I need to replace. It's a 25W constant-current model (260mA, 28-87V), and finding an exact replacement for this part appears to be nearly impossible. What are the ...
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1answer
198 views

Technique or tool to properly expose LED strip wires?

So I have cuttable, weatherproof led strips with the flexible silicone coating domed over the strip. I just have cut a correct length piece of a strip. Now both ends has four copper connectors. I ...
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1answer
88 views

100W LED floodlight indoors, diffused by concrete ceiling 1 foot away

During the electrical lighting system failure at work on a grey rainy day I was stuck with 400W metal-halide reflector lamp as the only source of illumination. Thing radiates about 38.000 lumen, so I ...
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0answers
2k views

LED bulbs or dimmer switch causing buzzing?

I installed a light fixture that contains 4 dimmable GU10 LED lightbulbs. I also installed a dimmer switch (Feit Electric Model 72200) for the fixture. When I dim the bulbs to 50-85% on, I hear a ...
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1answer
290 views

Does this picture look like a burnt out LED lighting or is something wrong with the fixture itself?

Does this picture look like a burnt out LED lighting or is something wrong with the fixture itself? The apartment was built a year and a half ago with these types of fixtures put in. Is this just the ...
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3answers
2k views

Indicator Lamp (LED) on 3-Way Switch

So I bought this home a few months ago and I removed all the outlets and switches to replace room by room. In the breakfast room just inside from the garage, there was a switch plate with a small ...
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0answers
549 views

What is the difference between Philips Essential LED bulb range & their normal LED bulbs?

I have come across two ranges from Philips for their LED bulb ranges, there is the 'Essential' range, which is the budget value range, & then there is the normal 'Philips' LED bulbs range. The ...
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2answers
96 views

LED Bulbs - Which Measure is the Best Indicator Of Efficiency

I have been on a mission to slow replace all the bulbs to LEDs. At first, I use to judge the LED bulb's efficiency by looking at the % Energy Saving, that all bulbs have at the front of the box. ...
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1answer
287 views

LED Strip Power Supply needs to be unplugged/replugged to work

I bought a color changing LED light kit for my basement and found out it wasn't long enough so I bought another. I connected them together with an LED amplifier and it seemed to work perfectly. Except ...
1
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1answer
243 views

What wire do I need to power 10m of SK9822 LED strip

I have 10 meters of SK9822 LEDs (60 LED/m) which I want to lead around my room. Because there's some furniture in the way, I'll need to cut this in a few pieces and create segments joint with a piece ...
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2answers
4k 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 ...
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1answer
293 views

Do you need special recessed LED housing for angled / sloping ceilings?

Do you need special recessed LED housing for angled / sloping ceilings? I see that they sell them, but if there are enough recessed LEDs installed for good coverage, can't I just use regular housings? ...
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1answer
50 views

Can I have multiple outside LED strip lights coming from one driver?

I'm in the process of buying LED strip lights and understand that I need a 'driver' (to convert from 240v to [whatever the strip lights are]). I intend to have three strip lights, one for each step ...
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2answers
411 views

What spotlight beam angle to choose?

I am looking into buying some 5W LED 3000k GU10 spotlights with a rating of 450 lumens, for my gypsum soffits. The only part which is confusing me is what viewing angle I should get. I have found a ...
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0answers
395 views

Why is my kitchen LED lighting flickering

My kitchen light is blinking, is there a way to find out what is causing it and how do I fix it? Could the problem be with the dimmer? See below images of LED array, LED driver and dimmer switch, and ...
2
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1answer
898 views

LED bulbs in chandelier periodically all blink at once [duplicate]

Edit for clarity- The bulbs are not flickering or flashing. They periodically (> 10 minute intervals) turn off and then on in unison. I have a chandelier with 5 bulbs. I recently replaced all 5 60w ...
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1answer
1k views

What wire to use to extend omlopp ikea lights

I have some omlopp from Ikea drawer lights and the correct transformers, but unfortunately the cable on the lights is pretty short and needs extending for quite a few. I'm happy enough to break into ...
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2answers
534 views

Is hooking up led lights to a timer cost effective?

I have 2 strings of small led Christmas lights above my cabinets in the kitchen as a accent lighting (probably about 100 bulbs total) I have each hooked up to a lamp timer, and they turn on for about ...
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3answers
2k views

Can I use a 15w LED bulb in a fixture that says max 40w incandescent or 11w CFL? [duplicate]

I picked up a light fixture at a reuse store and it says max 40w incandescent or 11w CFL. It doesn't say anything about LEDs. Thoughts?
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1answer
113 views

Can you use an LED Bayonet bulb in standard 40 or 60W bayonet fitting?

First time poster. In short have flipped all my halogen GU10 bulbs over to LED. Only non spotlight is a Bayonet fitting in my bedroom. The halogen (45W candle) in that went this week & I am having ...
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1answer
54 views

LED Lighting On Staircase

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 2-way operation ie. on controller at the ...
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3answers
76 views

Do Most LED Hallway Lighting Fixtures have replaceable lamps [closed]

Most traditional hallway lighting fixtures have replaceable lamps (bulbs). I've been told that with LED sconces that "most" do not have replaceable lamps. For an apartment building that would mean ...
3
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3answers
1k views

What's the “correct” way to install LED drivers for accent lighting?

I want to install LED strip lighting behind crown molding in my office. In my particular install, I'm using 3 strips of SMD 5050 RGBW LEDs, which draw about 72 W per strip. From what I can gather, ...
0
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1answer
81 views

LED light strip

I have a very poorly lit sports room (6.5m x 5m) in a cellar in Germany and I really want to lighten it up. I thought about using 2 long extra bright LED strips/ropes (unsure of the terminology here) ...
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1answer
1k views

HPS bulbs and ballast wattage compatibilty vs replacement technologies

I have a few questions regarding HID lamps, their ballasts and their replacement options and strategies. I have been spending a large amount of time researching this subject and I still have ...
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2answers
5k 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 ...
1
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1answer
548 views

Control 12V LED circuit and 120V power supply from one switch

I want to have two switches (preferably in the same box) that control two separate runs of LED lights, both powered by a single Allanson power supply: I plan to switch the lights by breaking the 12V ...
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2answers
4k views

Light bulbs won't dim

Rectory we removed an old fan that had 4 a19 bulbs in it and replaced it with a new harbor breeze that had 4 cadleabra bulbs, we didn't like the light output or hue so I swapped the cadleabra bases ...
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2answers
56 views

12V lighting circuit

I'm about to commission a total refit and rewire of a one bedroom apartment in Spain. I'm considering completely skipping a conventional 220v lighting circuit, and replacing it with a solar-battery-...
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2answers
81 views

Power related question about LED strip lighting

I'm putting in some LED strips in my ceiling, but I'm really not sure how to play it. The total length required is 20mtrs, running in a near perfect square. At the moment, I have one power outlet I ...
1
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1answer
109 views

LED lamp turns off when turned on

I just bought a new LED lamp and, when I turn it on, it slowly turns off in a few seconds. Why does it so that? Is there a way to fix it?
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0answers
2k views

Why do my LED bulbs refuse to work in one socket but CFLs will work?

I have 3 lights over my desk operated by 1 simple switch. I replaced all 3 with LED bulbs. Two of the lights work fine, but the other will work for a while and then stop. I tried 4 of the bulbs ...