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Questions tagged [led]

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

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2answers
42 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....
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3answers
100 views

LED bulbs in my old house are dying prematurely

I installed about 20 LED bulbs in my house when I moved in two years ago. Since then at leave 5 of them have died. None of the bulbs are on dimmer switches. However, my house is more than 100 years ...
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4answers
88 views

Why do some lamps have different power ratings for different kinds of bulbs?

I had a lamp that broke recently after getting smashed against a wall by accident (there are now numerous exposed conductors, making it unsafe to use), so I went to the store to get a new one. I ...
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1answer
51 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 ...
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0answers
31 views

Why do LED bulbs in my three-bulb fixture remain on unless one is incandescent? [duplicate]

I have a three bulb light fitting that worked fine with 40 watt golf ball bulbs. On removing the bulbs and inserting the first 5.5 watt led the bulb illuminated while the fitting was turned off. This ...
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0answers
26 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 ...
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1answer
11 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 ...
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1answer
20 views

Can I tell whether a LED driver/bulbs are dimmable without damaging them?

As mentioned in the answer to this question: LED bulbs and LED dimmer we can't trust a LED driver / LEDs to be dimmable if it doesn't say so explicitly. However, only some companies offer explicitly ...
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0answers
32 views

Light and fan remain constantly on after changing bulbs to LED [duplicate]

Recently replaced old 40W ES bulbs to LED ones with the same fitting. However this causes the light and (timer) fan in the bathroom to remain consistently turned on despite the switch being in the off ...
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2answers
26 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 ...
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0answers
15 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 ...
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1answer
58 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 ...
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1answer
44 views

Wiring a garage door sensor

Looking to wire an LED light indicator for my garage door. I'm in no way a lighting/electrical expert and I could use help. I do repair copiers for a living. Home auto mechanic rebuild motors etc. I ...
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1answer
21 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 ...
2
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2answers
326 views

LED lights cause appliance failure

Here is a fun one. I installed 2 LED bulbs into my Genie garage door opener and it caused the microwave to lose power. They are both on the same circuit. When I tested the voltage at the microwave ...
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1answer
45 views

T8 LED Burn-in Process

Direct Wire 4ft T8 were purchased and installed. Is there a rule of thumb or recommended process to burn-in the bulbs? Is there a good test or process to weed out 'infant mortality?'
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0answers
34 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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0answers
24 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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0answers
24 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
125 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 "...
5
votes
1answer
211 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
36 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
25 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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3answers
40 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 ...
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0answers
23 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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2answers
45 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
45 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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0answers
85 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.
1
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1answer
89 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
23 views

Replacing outdoor Lighting with motion floodlights on a switch

So I have a outdoor light that's attached to the side of the house on the garage controlled by a switch near the garage door. The switch is a simple on/off switch I was thinking about installing an ...
1
vote
1answer
101 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
55 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
35 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
51 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
60 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 ...
4
votes
1answer
879 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 ...
1
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1answer
120 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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1answer
22 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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1answer
54 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 ...
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0answers
76 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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3answers
46 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 ...
0
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2answers
297 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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3answers
50 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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1answer
56 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 ...
0
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1answer
142 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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0answers
45 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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0answers
24 views

Pool Lighting using multiple LED strips

I WANT to add low voltage led lights around the rim of my pool. I think IP68 rated are the best. The pool is above ground and is 30x15 so I would need about 5ea 16ft strips. I would like to use the ...
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1answer
175 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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1answer
36 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 ...
0
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2answers
279 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 ...