Questions tagged [led]

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

76 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
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, ...
2
votes
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 ...
1
vote
2answers
77 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 ...
1
vote
0answers
39 views

How to wire an entire room / kitchen with LED light strips?

As the question suggests, I'm looking into adding LED light strips throughout the kitchen (over cabinet, under cabinet, and kick -- I think under the countertop would be neat, but harder to hide). ...
1
vote
0answers
57 views

Exterior LED floods worked for a week

Bought 4 new Philips 120-Watt Equivalent PAR38 floodlight bulbs and installed in double flood light fixtures at corners of house. Worked great for a week... Now when I flip the on switch, none of the ...
1
vote
2answers
72 views

Intermittent Flickering LED Strips

I have 10 separate LED strips behind a dropped ceiling feature. Each seems to have its own driver and none appear to be connected to each other except via the same power source and switch. Two that ...
1
vote
1answer
48 views

Repurposing outdoor LED security floodlights for an indoor sconce

I am trying to create a very bright wall sconce using two LED security floodlights. I have disassembled the floodlights so I could remove them from the very bulky, heavy duty outdoor metal packaging. ...
1
vote
0answers
39 views

New LED Cans installation tripping breaker

I'm finishing my basements. Using these and these. I have 2 zones on same 15 amp circuit. First has 9 lights. Installed it and works fine. 2nd has 10 lights. Installed, switched it on and after ...
1
vote
0answers
55 views

PMMA vs PVC for opal led strip enclosures?

I am planning to install some aluminium profiles for led strips with matte cover diffusers ( opal / frosty). I found that the covers are made from two different types and I would like to know the ...
1
vote
3answers
470 views

Wiring toggle switch (on/off/on) to PIR motion sensor and led strip

I would like to set this up so the first on position goes through the motion sensor and the second on position would be for just turning the led strip light on and bypass the motion sensor. When I set ...
1
vote
0answers
138 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 - ...
1
vote
0answers
77 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 ...
1
vote
0answers
534 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 ...
1
vote
0answers
382 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 ...
1
vote
2answers
268 views

Are these LED panels suitable for lighting above dining area?

I want to light a dining area that is ~12'x 18', with exposed wood ceiling, supported by beams that were created with two 2"x 10" framing lumber, with a 1"x 4" bottom cap. Wiring for the current ...
1
vote
1answer
58 views

Connect Two sets of 5 meter RGB Lights

I bought two of this RGB led Strips of 5 meters and would like to connect them together. Is is possible to do this with the power supply i have or would i need something stronger or maybe an amplifier?...
1
vote
0answers
54 views

Living room LED tape powering opetions

i would like to request an expert advice. My intention is to install dimmable led tape on living room ceiling. Ceiling design is on a "Π" design, measuring 5.6m, 6.6m and 3.8m (total 16meters). My LED ...
1
vote
0answers
93 views

How to desynchronize LED lighting refresh (blink / flicker) rates?

LED lighting drives a couple members of my family insane. The refresh rate is horrible and we are rather sensitive to it. It becomes markedly worse when dimming LEDs are used at lower levels. How ...
1
vote
0answers
106 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 ...
1
vote
0answers
100 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
1answer
5k views

LED lights strip quickly flashes and goes off

I've just recently constructed some cut to size RGB LED strips to fit around some shelves using T & L connectors. When I finished and connected the 12v adapter to turn them on, all the LEDs ...
1
vote
0answers
124 views

Are 75mm GU10 LED Lightbulbs Becoming Extinct?

I have just moved into a house which is 9 years old. It has 75mm GU10 energy efficient lightbulbs (not LED's). My local shops (including some large chains) don't sell 75mm GU10 LED's - they only sell ...
1
vote
0answers
462 views

Converting 120V undercabinet lighting to 12V strip lighting

We redid our kitchen cabinets and want to change from the previous hardwired 120V fluorescent under cabinet lighting and above cabinet cove lighting to 12V flexible LED strip lighting. The cove ...
1
vote
0answers
200 views

Should I use a low voltage magnetic dimmer or a low voltage dimmer for LED strips?

I just ordered a low voltage magnetic dimmer (Model # SLV-600P-WH) from Home Depot for $40 for undercabinet lighting I plan to do with flexible LED strips. I understand that this must be wired ...
1
vote
0answers
474 views

Ever had LED bulbs cause AFCI tripping?

I replaced a 50W halogen gu10 bulb in a ceiling fixture on an AFCI-protected circuit with a 5W dimmable LED bulb, and it trips the breaker after a few seconds (even after reseating the bulb). Another ...
1
vote
0answers
2k views

What new technology replacements are available for incandescent globe light bulbs for the bathroom vanity light?

I have a bathroom vanity light fixture with a row of exposed globe light bulbs. They had been burning up recently, and I was wondering if there are reliable CFL or LED globe bulbs available as a ...
1
vote
2answers
394 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 ...
0
votes
0answers
18 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 ...
0
votes
0answers
32 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 ...
0
votes
0answers
45 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
votes
2answers
53 views

How to on this retrofit led recessed light

That's the inside of my can on my recessed lighting but the new retrofit led plug doesn't fit that. What do I have to do in order to retrofit a new led light in that old fixture to avoid me going into ...
0
votes
0answers
43 views

both led lights don't turn on

I just replaced a switch with an led compatible switch (lutron). It switches on two led lights. Currently i have one philips led bulb and one cree led bulb on the switch. I also figured out that the ...
0
votes
0answers
50 views

Flickering started: All 4 LED bulbs on dimmer switch flicker in unison

All 4 LED Recessed lights on dimmer switch #1 just started flickering in sync (sometimes) starting 2 days ago. 4 years with no problem 4 other LED's on a DIFFERENT dimmer switch #2 (but same circuit) ...
0
votes
0answers
65 views

Under cabinet LED lighting on opposing sides of the kitchen - no wire in between

I would like to put LED lights under the cabinets of my kitchen, and have them controlled by wall switch. Here is the situation, I have cabinets on opposing sides of my kitchen (facing each other). ...
0
votes
0answers
47 views

Why doesn't one of my light fixtures work when I install LED bulbs?

I have 2 light fixtures in the bathroom. Each fixture takes 2 light bulbs. I replaced the light bulbs with LED light bulbs, but only one of the fixtures' lights works. The other one the lights do not ...
0
votes
1answer
18 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 ...
0
votes
0answers
19 views

LED flashing on Hot start

I have kitchen lights using 12v 5w leds (GU 5.3). There is a 30w 12v led power supply. When switching off, then back on, the lights flash. Any ideas please. There are 2 sets in the room, they both do ...
0
votes
1answer
62 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 ...
0
votes
0answers
37 views

Is there an LED-compatible dimmer switch that can work in series with a second dimmer?

I just installed 3 LED shop lights in my workshop (ok they're actually meant as bathroom lights, but the price was right). They are wired in parallel, with a master switch in front of everything (in ...
0
votes
0answers
40 views

LED module retrofit into old quad fluorescent not working

I am replacing a bathroom "quad tube" fluorescent recessed ceiling fixture with a Halo recessed downlight LED "module" (RL560WH6940R). This module is the kind that comes with a male edison screw mount ...
0
votes
0answers
84 views

Flickering led under cabinet lights

I had new led dimmable under cabinet lights installed with an led dimmer switch controlling the 3 of them in my kitchen. Now they flicker throughout the bake phase when I use my toaster oven. ...
0
votes
3answers
69 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 ...
0
votes
0answers
35 views

Can I run two 5-meter 5050 LED strips off one controller?

I want to hook up some 12 volt LED strips. My plans call for two (2) reels of 5 metres each, so 10 metres in all. These will be RGB 5050 type, and of course I will want to control the colors! Both ...
0
votes
0answers
64 views

Can I replace the LED in this bathroom light fixture?

I'm remodeling a bathroom and have a light fixture where one of the 3 lights is dimmer than the others. After taking off the glass -- I'm seeing the bulb pictured below. It looks like its secured by ...
0
votes
1answer
64 views

LED light turns on

I have an led light in the ceiling fan in a bedroom that turns on at will. I thought it was the bulb needing replacing but I’ve replaced the bulb and still middle of the night the light turns on by ...
0
votes
0answers
93 views

Safe wiring on linkable shop light?

Question about  Smart Electrician® 3650 Lumens 46" LED Linkable Shop Light Model Number: 0053-0011 | Menards® SKU: 3481400 I bought several of these and am having the same glowing issue referenced in ...
0
votes
0answers
46 views

LED lights in series - only 2 out of 5 light

I have just fit 5 MR16 LED lights in my bathroom as well as an LED driver. The lights are 4.5W and the driver supports 24W which is just enough (4.5 x 5 = 22.5) When I turn them on, only 2 lights ...
0
votes
1answer
121 views

3 way switch to 4 lights rewiring to 15 LEDs

Have a basement with 4 beams that had 2 lights in bay 2 and 2 lights in bay 4. Dropping ceiling and want 3 LED lights in each bay. Can I run 3 new 12/2 wires to bays 1,3,5 which will be spliced to the ...
0
votes
0answers
45 views

Will these low watt LEDs work with a 12V transformer?

I've inherited a pretty poor quality garden light kit that runs off a 12V/2500mA AC transformer. It supports x6 lanterns which each have a measly 5W halogen bulb. Barely illuminating anything. If I ...
0
votes
0answers
27 views

Smart Lights - colour dilemma

I am trying to select a smart light for my room. But there is a confusion here. I want pure white light. The bulbs that I am showing in the screenshot show in their descriptions that they emit all ...