Questions tagged [led]

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

Filter by
Sorted by
Tagged with
0
votes
1answer
35 views

What width of wire for 24V DC LED driver?

I bought a 24V/25W LED driver from a local shop and the sales assistant sold me a short length of 20AWG control wire to go with it. In order to buy more wire (elsewhere) I looked up the UK (mm2) ...
1
vote
1answer
64 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
2answers
181 views

Does removing an LED bulbs from fixture decrease energy usage?

Noob question alert. Electrics have always been my weakness. If you have a 6 bulb ceiling light, with 6 LED bulbs each with 5w, and you remove 3 of them, does this half the energy usage when the ...
1
vote
1answer
2k views

Convert light socket to plug socket for LED lighting strip

I have a european (Netherlands) light socket in my house that I would like to convert to a plug socket to accommodate an LED lighting strip. My builder says it won't work, but he's Polish, I'm English ...
0
votes
2answers
80 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 ...
2
votes
1answer
36 views

Not to be used in totally enclosed or recessed luminaires

My question centers or the word "OR". Should this be thought of A) totally enclosed luminaires OR totally enclosed recessed luminaires B) totally enclosed luminaires OR recessed luminaires. ...
0
votes
0answers
31 views

How prevent the first bulb in a series of two LED ceiling bulbs from going out for 30 seconds once every ~5 minutes

Question How do I prevent the first bulb in a series of two LED ceiling bulbs from going out for ~30 seconds once every ~5 minutes. Background Prior to a couple years ago, I had two working ...
1
vote
3answers
566 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
2answers
33 views

Dimming Constant Current LED driver

We have a "Tsong LED Panel": Model: SRPL60X120-60WH Type: 4014 - 4000K Input DC27-42V/1350mA - 60W With the LED driver: Model: SR60-01N-042V1350 Input Voltage: 200-240VAC 50/60Hz Input Current: ...
0
votes
2answers
97 views

Why Aren't These LED Bulbs Lighting?

I have a dimmable floor light with 6 G4 bulbs. I ordered a bunch of dimmable LED bulbs and now that they've arrived after weeks, they don't light up at all. If I take one bulb off and place a halogen ...
0
votes
1answer
4k 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?
0
votes
2answers
54 views

Fix blinking LEDs with a motion sensor (when off)

I have bought a new motion sensor for my corridor LEDs. The lights turn on fine with it, however, when the sensor is set to OFF, the lights blink indefinitely (a few times per second) and never ...
1
vote
1answer
77 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?...
0
votes
1answer
374 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 ...
0
votes
1answer
231 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
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 ...
0
votes
1answer
25 views

Mixed Recessed LED Lights Not Working

I purchased a home that has recessed lighting throughout. They are the LED lights that clip into a standard light bulb screw-in socket. They all point straight down and I wanted to purchase some that ...
1
vote
2answers
4k views

Can you power LED strips from both ends?

I want to get 2 of these 500W power supplies I have several 5 metre reels of these 5050 LED strips (60 LED/m) Calculations show 1A per metre = 12 watt per metre so about 60 watts every reel. I was ...
1
vote
1answer
30 views

Dimmable LED lights on a dimmer switch, they won't come on at all anymore. Do they still work?

Apologies for the wall of text in advance. I bought three 40W Energizer dimmable LED lightbulbs for a dimmer switch at home. Once I screwed them in, I noticed that when I turned on the switch, there ...
0
votes
3answers
33 views

LED bulb replacement in Dusk-Dawn Outdoor 175W light

My old metal halide bulb finally died after 30 yrs use. Considering switch to LED corn bulb. However, the seller website states "Connects directly into E39 Mogul Bases. Just screw in. Please note that ...
0
votes
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 ...
8
votes
2answers
129k views

Why does an LED light turn on and off irregularly while the switch is in the on position?

We have had a LED light in the family room for several months now. In the past week it has started to act funny. We turn on the LED light and after a while it turns off and then goes back on and then ...
2
votes
1answer
82 views

Why does an LED in a Can Light go out after Several Minutes?

I looked at this question which seemed to be the closest to resemble my situation, but it's just not a close enough case. I have a bunch of ceiling lights that are MR16 20W Halogens. I've replaced ...
0
votes
1answer
47 views

4' flush-mount LED light won't dim

I have purchased two identical 4' flush mount LED lights and two identical dimmer switches. The first set I installed in the master bathroom works perfectly. The dimmer switch goes from very low ...
1
vote
2answers
292 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 ...
0
votes
1answer
69 views

Recessed LED lights need to be turned on twice to work

I recently installed recessed LED lights in by basement. On two of the three runs I have an issue that when I first turn on the lights some of the lights only produce a low dim, and don't react the ...
1
vote
4answers
5k views

LED lamp keeps glowing when dimmer is turned off

(I know this question has been asked before (here), but I followed the advice recommended by the users in that thread to help remedy the problem, but the lights still glow.) I recently bought ...
0
votes
1answer
73 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 ...
1
vote
1answer
6k 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 ...
0
votes
1answer
51 views

What is proper way to wire hard wired LED strip light power supply/controller/driver?

I'm considering LED strip lighting for a pantry and for the stairway to the basement. I see three types of power supplies for the strips: with an AC plug, with pigtails, and with screw posts. The ...
3
votes
3answers
2k 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
votes
1answer
470 views

Troubleshooting a String of LED Recessed Lighting Fixtures

I have 5 LED-based recessed lights on a 3-way switch that are problematic. When I activate the circuit, I rarely get all 5 lights switching on. If I turn them off and back on again, they all work. ...
0
votes
3answers
94 views

What can I use for 25 watt bulb replacement

Can I use a 60 watt led bulb that uses only 7 watts to replace my current incandescent 25 watt bulb? Never mind the lumens, it can be dimmer.....thanks.
0
votes
1answer
55 views

How directional is LED strip lighting (with a diffuser)?

Background: My pantry (~ 2' deep, 4' across, 8' tall) consists of a bunch of shelves that are 1/2 the depth of the pantry. It has one of those old white pull chain porcelain fixtures on the ceiling ...
0
votes
1answer
780 views

Can I “daisy-chain” LED strip lights to my bathroom exhaust fan and have them work on the same light switch?

I just finished installing a new exhaust fan in my bathroom. I have access to the ceiling before I patch up the old hole where the old fan used to be. A lot of people tend to connect a recessed light ...
1
vote
2answers
439 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
34 views

Trouble with LED dimmable bulbs in fan

I recently purchased LED candelabras to replace my incandescent bulbs in my fan. When I installed just one bulb everything worked perfect (fully dimmable/full power). I didn't like the color ...
0
votes
0answers
44 views

LED recessed fixture is consistently malfunctioning in a specific location

My parents just installed LED recessed lighting kits (integrated LED fixtures containing the diode and driver circuitry), and they are having a very strange problem. One toggle switch controls about ...
0
votes
1answer
26 views

led dimmer lamp retrofit

I'd like to retrofit an existing lamp with a dimmer dial built in to support dimmable LEDS. It does not seem like I can easily remove the dimmer or, even if I could, find an LED dimmer that will fit ...
0
votes
1answer
77 views

LED Replacement for T5 Fluorescent lights

I have several T5 fluorescent lights in my kitchen, serving as under-cabinet lighting. Some of them are bust, and I’d like to replace them with LED strips instead. The power for these lights are ...
1
vote
2answers
131 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 ...
0
votes
1answer
136 views

Breaker Immediately Trips, Need Help Troubleshooting Why

I installed 4 Lithonia LED recessed lights on my living room 15 amp circuit. Everything was working great yesterday when doing final testing. I left the breaker off overnight as I was planning to do ...
0
votes
1answer
34 views

E12 led smart bulbs don't work in ceiling fan

I tried replacing two e12 bulbs with led e12 smart bulbs but with both leds the lights don't turn on with the wall switch or smart phone. Here's the weird part. If I put one incandescent bulb in ...
3
votes
4answers
1k views

Is a grommet needed for romex into this metal junction box?

I bought a 6-pack of these LED downlights. The metal junction box has knockout holes to run my 14-2 (with ground) wire. I was surprised that the J-box didn't come with grommets after knocking out the ...
2
votes
1answer
65 views

Why do I have multiple connections on a single common connection?

I'm in the process of trying to add a smart relays to my light switches across the house. In most cases I've managed fine and I understand how the circuit works, to me that is critical before I make ...
4
votes
2answers
115 views

LED bulbs flickering

We have a multistory apartment building where the hallway lights were switched from CFLs to LEDs. These lights are continuously on. Originally the LEDs were SATCO 15W bulbs. These lasted about a ...
1
vote
6answers
6k views

Is it safe to convert a shunted tombstone lamp socket to a non-shunted socket by cutting the shunt?

I am looking into converting a T-8 fluorescent tube fixture to a direct-wire LED tube fixture. In addition to removing the actual ballast, I understand that the "tombstone" lamp sockets in an ...
1
vote
1answer
329 views

Why do LED lights get brighter when adding additional lights to the dimmer circuit?

I just installed new recessed lighting in my finished basement, wiring 4 fixtures with dimmable led bulbs to a dimmer switch. Additionally, 2 of the fixtures are on their own standard switch after the ...
0
votes
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 ...
0
votes
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 ...