Questions tagged [led]

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

Filter by
Sorted by
Tagged with
1
vote
3answers
418 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 ...
0
votes
0answers
31 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
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
vote
1answer
82 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
899 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
votes
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
votes
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 ...
1
vote
1answer
87 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
votes
1answer
163 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 ...
0
votes
2answers
7k 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
816 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
vote
1answer
7k 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
votes
1answer
2k 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?
3
votes
1answer
503 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 ...
1
vote
2answers
108 views

Looking to replace light switches - 2x blue, 2x black wires

I'm looking to replace a light switch. Upon opening up the switch, I'm greeted with this: I would like to replace with this: For context, this is a commercial in-conduit wiring. I want to replace my ...
1
vote
1answer
34 views

Can I add copper wire led lights to existing 12V Landscape Light Transformer

I have an existing 12V low voltage landscape lights set on a transformer. I have a 66ft copper wire LEDs that came with a 5V adaptor. Does this have to be plugged in separately; or can i connect it ...
1
vote
5answers
191 views

Plastic-on-plastic lubricant that wont leave a residue?

I am working on an outdoor LED lighting project where I'm making my own rope lights to hold up to the elements. I am using waterproof LED strips which are surrounded in a plastic "jelly-like" material ...
1
vote
1answer
80 views

Color adjusting LED ceiling light intermittent issues

I recently installed CE color changing (5 temperature settings) LED all-in-one fixtures in my bedrooms and have been having an odd issue. I wired four fixtures with 12/2 Romex in parallel out of a ...
0
votes
3answers
2k views

How to connect LED tape strips in separate locations to one power source?

We're looking into running LED Tape Lights under the wall cabinets in our kitchen. We have three sections that would get the lights and we need them all powered by a single switch. There is a switch ...
2
votes
1answer
256 views

How do you connect a long string of LED strips to power at both ends when including a controller?

I'm looking to use 24v LEDs (https://smile.amazon.com/dp/B01LYNJTBN/?coliid=I359TOA9WZGE2V&colid=3HRP4V1TLBJ6P&psc=0&ref_=lv_ov_lig_dp_it) along my fence to help light my pool area. I ...
2
votes
2answers
143 views

Single pole switch with lighting “zones”?

Somewhat of a challenge... I'm going from a single light to recessed lighting in my studio condo. There is a single pole switch that this single light is currently connected to. I'm going to install ...
2
votes
2answers
2k views

LED Light Glowing when off

I have been searching the internet and StackExchange for a couple of weeks now and have not found anything that fixed the issue. I recently added a room in my basement, all new wireing, lights, ...
3
votes
2answers
375 views

Several LEDs and LED bulbs in my house are failing at the same time and way before their estimated lifespan

I've never had this happen to me and, now, in a span of 1 month, it's already happened 4 times... The following 3 LED bulbs and 1 LED strip have become unusable: An Ikea Ledare 600lm spot LED buld (...
0
votes
2answers
100 views

How to know if I can use LED ceiling light bulbs?

I'm renting a flat and need to replace some light bulbs. The bulbs I need are 12V MR16/GU5.3 bulbs. How can I tell if I can use LED bulbs as opposed to the halogen ones that are there currently? If ...
-1
votes
2answers
92 views

How to wire several 12V DC LEDs in serial

I want to connect about 9 LEDs (12V DC) using a simple wiring. For that I prefer serial wiring. But when I connect the LEDs in serial they don't working. When I connect in parallel, they are working. ...
1
vote
1answer
216 views

LED Flat panel wiring — Type NM/Romex or Lamp Cord

I purchased several LED flat panel fixtures that came without wiring instructions. I’m using suspension cable kits to hang the lamps from an open basement ceiling with fiberglass insulation and TJI-...
2
votes
3answers
636 views

Dimming multiple led light bulbs (parallel or in series)

I'd like to install 5 dimmable led bulbs. I'm trying to find how to connect them. But I can't get a clear answer. I can get information of the benefits of wiring leds in series/parallel but none of ...
1
vote
0answers
40 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). ...
2
votes
3answers
35 views

How much wattage to choose for LED light when replacing flourescent light with LED?

Suppose I have a circular 22W flourescent light at home and I want to replace it with LED of similar brightness. How much wattage should this LED have? Any rule of thumb as guidance? The salesman at ...
9
votes
2answers
93k views

Why won't a LED bulb work in a standard light fixture?

I have a wall fixture in my Brooklyn apartment's bathroom that is my only source of light. A sticker on the fixture says that it is Max 75W. The other day, the 14W / 60W equivalent CFL that was in it ...
1
vote
1answer
63 views

LED light is on when it should not be

I have 3 12v LED under cabinet lights that I plan to install. The final install goal is to have the line power (120v) controlled by a pre-installed light switch (1-way) which currently operates 4 pot ...
1
vote
1answer
80 views

LED Light in Ceiling Fan only works with a non-LED next to it

I have a Harbor Breeze ceiling fan with two light ports and a remote control. The lights are e12 (candelabra) base, but I need some brightness. I just bought some 12W LED bulbs (100w equivalent) and ...
0
votes
2answers
83 views

is it permitted to invert the line/neutral polarity on an AC->DC power supply?

I'm trying to work through the parts required for an LED strip light project. I'm considering this power supply as the driver, driving about 20' of 24V LED strip. I've worked with similar but ...
1
vote
5answers
189 views

LED Bulbs won't fit my garage door opener

These are the last bulbs in the house that I have not been able to change over to LED. You might be thinking to yourself, they only turn on for 1 minute, what is the big deal. I've started to notice ...
2
votes
2answers
7k views

Spot light LED bulbs (MR16) flash once when turned on. If I put 1 normal halogen in then it solves the problem. Why?

I have 5 spot light bulbs in my bathroom. All use MR16 connection. I replaced them all with 5w LEDs and when I turn on the switch they flash once then go off. If I remove one so there's only 4 then ...
11
votes
3answers
2k views

Can someone explain how this makes sense electrically?

The wiring in my house is... odd. Nearly every pair of outlets has one of the outlets connected to a light switch. Sometimes that switch is quite far from the outlet even when there are other closer ...
2
votes
1answer
90 views

How do I know what LED bulbs are safe to use in fixtures that are part of construction?

In a recent question, I asked about different power ratings for LED and traditional incandescent light bulbs. In the accepted answer, the author explained that the different ratings are due to heat ...
0
votes
0answers
70 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
2answers
85 views

Can I connect eight LED strip lights to the same power source?

I want to run led strip lights around my son's bedroom. I have narrowed my choice down to 3528 rgb and 3528 white. I will need a bout 4 strips in each color. My question is can I run these from the ...
1
vote
1answer
300 views

What does “instant wire” on LED tubes mean?

I'm replacing florescent tubes with Westgate T8 LED tubes (T8-EZ4-18W-40K-F), which work both with or without an existing ballast (I remove the ballast when I install them). When bypassing the ballast,...
0
votes
2answers
746 views

Running 12V Wire Behind Walls for a LED Stair Light?

I'm interested in lighting a stairwell in my house using a red LED strip. I have a nearby AC outlet and plan on using a typical 12V power supply from the AC outlet. I know that class 2 wire is ...
10
votes
2answers
22k views

How can I mount an 12V transformer for LED lighting inside a wall?

The stairs to my basement has one light fixture at the bottom, and that casts a shadow on the rest of the stairs. I want to run a strip of LED lights up the crown molding or on top of the upstairs ...
0
votes
0answers
131 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
2answers
2k views

Why do some LED lights go dim while others go out completely?

When dimming LED lights with an LED dimmer, why do the LED lights at the end of a string of lights go off when LED lights at the beginning of a string of lights go dim but stay lit? This application ...
0
votes
1answer
30 views

Powering 12V LED strip thru European hinges

This is something im planning to do and in fact already half way into building it. The idea is I'm installing sections of LED strip behind the cabinet door and its on the door itself. This door is ...
3
votes
1answer
546 views

Philips Hue dimmer switch detailed manual

I have bought a couple of Philips Hue white sets, including two dimmer switches, and started playing with them and various compatible apps. Normally, a dimmer indicates the command transfer by a green ...
1
vote
3answers
538 views

Is it safe to use this dimmer on LED bulbs?

I have a question about dimmer switches for LED flood lights. My kitchen has six floodlights on a Lutron toggler dimmer switch, model AY-603P. http://www.lutron.com/en-US/pages/SupportCenter/support....
0
votes
0answers
201 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). ...
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 2 3
4
5
12