Questions tagged [led]

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

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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 ...
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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 ...
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1answer
2k views

Track Lighting LED bulbs flickering

I recently bought a 5-bulb track lighting & installed GU10 base MR16 shape, dimmable LED lights bought off of eBay. The lights started flickering after turning them on after a few seconds. I ...
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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. ...
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2answers
343 views

Can I put a low-voltage transformer in the attic?

I'm planning a low-voltage monorail light system, fitted with 10x 7.5W 12V AC LED light heads. The manufacturer provides a "remote electronic transformer", and the installation instructions call for "...
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1answer
2k views

Can I use a regular E26 LED bulb as a replacement for a refrigerator light bulb?

The light bulb in my refrigerator burned out. It was a 40w incandescent appliance bulb like such: I'm wondering if there is any reason I can not put a 9watt A19 LED bulb such as this one (home depot ...
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1answer
41 views

LEDs won't turn on

I have a garage door opener which can have two lightbulbs screwed, that for some reason burn out LED lightbulbs approximately every 3 months. However, this time, the new LED bulbs I bought work ...
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1answer
38 views

How do I connect a Juno LED light to a switch when the light receives power first?

I'm trying to connect a new LED light to a new single pole switch. I have a 14/2 main power feed coming in to the LED light first then a 14/3 wire going from LED light to switch. I feel like I have it ...
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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 ...
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1answer
156 views

LED lights dimly lit when off

Here is a link to my home earthing condition when the lights are dimly lit https://youtu.be/eqR-CawKdgw Measuring a socket I am seeing 225 volts between hot and neutral as expected... But 91V from ...
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2answers
962 views

Connect 5w 100k ohm resistor between neutral and hot to prevent LED light blinking when switch is off

I have touch operated light switches operating LED lights throughout my home. The switch manufacturer claims that I must add a device to circuits containing LED bulbs of 5w or less to prevent ...
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1answer
181 views

What would cause all my dimmers to dim less?

I have 4 different rooms with dimmers. Something changed that makes them not dim enough. If it were one room I'd guess a switch problem. If they were all LED's I might think it was the switch or the ...
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2answers
46 views

How to complete this circuit

I got some decorative multi color led wire. It is broken at one place now. I need to connect the wire to complete the circuit. I am new to this and I am trying to learn. I tried twisting the wire so ...
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1answer
280 views

LED light glows when switched off

I know this has been posted and answered in many ways. I wanted to add some more troubleshooting that I did with same results! Replaced Light (LED/CFL) dimmer with simple single-pole / this is to a ...
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1answer
60 views

Replacing halogen with LED - will existing transformer work?

I currently have 5 x 20W halogen bulbs attached to two AC 12V rails, and an AC transformer (105VA). I'd like to replace existing five bulbs with five LEDs, e.g. these: 7.5W (update: 12V AC) (...
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1answer
179 views

Is there an advantage to single-ended LED replacement bulbs for fluorescent fixtures?

I installed 100 dual-ended LED 4-foot replacements last year and noticed that my AMZN supplier (Sunco) has replaced the product with a single-ended version. Naturally, I do not want to rewire the 100 ...
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0answers
121 views

LED lamps glow with switch off [duplicate]

My stairway LED ceiling lamps on 3-way switches glow next morning after being off all night. Is this an indication of stray voltage, bad switch or short circuit? They still glow today after 14 hours.
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3answers
107 views

Can I have dimmable LEDs in a corded lamp?

For a couple of bedside/reading lamps I want to use LEDs, but even the dimmest bulbs I've seen in the shops are about 250lm and still too bright for the purpose. So I've come to consider a dimmer. ...
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3answers
3k 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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1answer
274 views

Minimum temperature for LED bulbs

I’m trying to pick some LED light bulbs for outdoor use. I live in Canada and we can get temperatures below -40°C. On all the bulbs I look at, there is the disclaimer: Minimum starting temperature -...
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1answer
7k views

LED lights at home not turning on sometimes

I have LED lights in most of my home, but lately those in the hallway and bathroom behave weird: mostly in the morning when I wake up and try to turn the lights on in the hallway they don't work. When ...
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1answer
135 views

laundry room fluorescent lights dim and flickering

Starting about a week ago, the fluorescent lights in my laundry room became dim and flickering. I bought two tubes from lowes (F40KB-ECO 48", I don't think that's relevant but anyway), put them on, ...
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2answers
39 views

Second LED bulb in each fixture burns out, what should I replace?

We have a number of inexpensive light fixtures in our house, each of which takes two bulbs. Most, but not all of these, are on newer dimmer switches (two with sliders, one with remote). We're having ...
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1answer
62 views

Can I replace a Maximum Bulb Wattage (Watts) 25 halogen light bulb with 5w LED light bulb? Is it safe?

I purchased 2 of these for 185sf walk in closet. https://www.lowes.com/pd/Kichler-Krystal-Ice-11-75-in-W-Chrome-Flush-Mount-Light/50355990 specs say that Max bulb wattage is 25 and come with halogen ...
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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 ...
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1answer
276 views

Why doesn't my dimmer switch work after installing LED bulbs in my ceiling light?

I have three pendants and a 5 bulb fixture over my table it has Antique Edison bulbs in the fixture with yellow tint I want brighter bulbs, I purchased LED equivalent bulbs and when I put two or more ...
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1answer
2k views

Non-dimmable LED on dimmer. Fire hazard?

I just moved into a new home where some of the electrical appears to have been recently re-done. Nearly every light in the house has a dimmer on it, which is fine with me because I prefer to keep ...
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1answer
12k views

LEDs stay on (very dim) when switch is off

I have a problem similar to Why do my LED lights stay on, even when the switch is off? except that one of the lights in question is not attached to any switches that might cause the ghosting effect, ...
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2answers
753 views

Controlling multiple rgb led strips in different zones with remote simultaneously

I want to be able to control two rgb led strips with one remote simultaneously as in if I change the color on one strip the other one will match it without requiring another button press. Sync is not ...
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1answer
24 views

Interior LED stops working

Built a new house a year ago and installed all LED lights. Everything working as it should. Had a power outage and one LED fixture wouldn’t come on. I replaced it with a new fixture that takes bulbs, ...
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3answers
67 views

recessed led worked fine for 3 months but today turned on today and its blinking on and off; not on a dimmer and not using a 3-way switch

help. For the past 3 months my recessed kitchen light has worked fine. Controlled by standard switch. Not a dimmer and not a 3-way switch. Today I turn on and started blinking on and off about 1 sec ...
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0answers
92 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 ...
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2answers
52 views

Status of solar-powered landscaping lights [closed]

As of now (9/2018), are solar-powered landscaping lights a sensible option? In 5-year intervals, for the past 15 years, I've been suckered into buying solar-powered landscaping lights and every time ...
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4answers
46k views

Why are my some of my LED lights flickering?

Something is causing some of my LED lights to flicker in three locations. Here are two examples: https://www.youtube.com/watch?v=4J-g2z_YtYM https://www.youtube.com/watch?v=KlbPdvkZ-BU There are a ...
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2answers
1k views

How can I test a household LED light bulb?

Something is wrong with my GU10 base LED light bulb or with the light fixture but I don't know what's at fault. The fixture/bulb doesn't work and has never worked (new install). The fixture was ...
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2answers
839 views

Parallel connected LED lights -last one is dimmer, why?

I have 3 Lutron LED recessed lights (9W) with individual driver each(came with the lights) connected in parallel and wired to a Lutron dimmable compatible switch. For some reason when switch is set ...
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2answers
87 views

Phillips (non-dimmable) 60W LED bulbs breaking in the light fixture

I replaced all of my light bulbs (CFL's) with Phillips 60W LEDs when they were on sale with coupons last October 2017. They claim they will last 13+ years if used 4hours / day for 7 days a week. 6 ...
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1answer
59 views

LED strip forgets last setting when turned off

In the staircase at my home an electrician installed a LED strip in the handle. I can dim the lights to desired intensity using a springloaded switch and a timer turns on the light in the morning and ...
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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 ...
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1answer
361 views

Led light - trip breaker

I tried to install an LED light in our pantry to replace an incandescent bulb. It is not hooked to a normal light switch but to a push button on/off with the door open and closing! The breaker remains ...
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4answers
3k views

How to fix my LED track lighting that is flickering?

I replaced all of the bulbs in the track light with LEDs. I also replaced the two switches with LED compatible smart switches (dimmers). The furthest light on the track has been flickering and ...
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1answer
53 views

Replacing 12V halogen spotlights with MR16 dimmable LEDs in my lounge

I am trying to replace 12V MR16 halogen spotlights in the ceiling with dimmable MR16 LEDs. The existing halogens do not have a dimmer driver, and each has its own transformer (I'm 90% sure of this). I ...
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2answers
764 views

Troubleshooting LED refresh rate or flicker

We bought a older home that had all the bulbs and fixtures replaced with LED lights of one kind or another. I have a ceiling fan light fixture and two pot lights in the living room that bother me. ...
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1answer
377 views

LED bulbs will not turn on

I am having an odd problem with a light fixture. The fixture has three sockets and is wired to a dimmer. I replaced the bulbs with Philips LED bulbs that were dimmable. However, when I turn the dimmer ...
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1answer
79 views

Powering and keeping 5050 leds in sync

I want to set up two strips of led lights in a room with each having their own power supply. However, the problem arises of keeping them in sync in lighting modes other than static. Info: 5050 RGB, 4 ...
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2answers
3k views

LED light flickering in one socket but not others, and any other bulb works fine with the socket

I got a batch of LED bulbs which have been working well until now. Some of these are having an issue. Let me describe the issue. A bulb start to flicker after while and if I try it on another socket, ...
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1answer
37 views

Using one dimmer to control 2 sets of lights with each an On/Off Switch

I want to install some LED lights in my RV. I have 2 sets of 4 LEDs, connected on my 12V circuit. One set is for the front (kitchen area), one set in the back (living area). When all the lights are ...
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1answer
39 views

5 amp circuits because of LED lighting [closed]

There are multiple parts to this, but they are connected.. 1) With the advent of LED lighting 15 amps is overkill for a dedicated light circuit. A 16 AWG 300-ft-max circuit could be run off a 3A ...
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1answer
33 views

X-10 Home Automation LED's always on low! [closed]

I have 5 puck lights under my kitchen cabinet, I replaced the very hot 20W halogen bulbs with 5 x 2 Watt LED's. They were a little bigger than the halogen bulbs and I had to remove the glass cover ...
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2answers
12k views

How many LED pot lights per circuit?

How many LED pot lights can I put on a single amp circuit? Some details: 15A circuit is capable of 1800 watts, if I calculate for 80% load that is 1440 watts Circuit is dedicated to just the ...