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0answers
14 views

Controlling multiple banks of LED bulbs with one dimmer switch

Just had the contractor install some recessed LED lighting in some of the rooms of the house. Due to building codes we can't have one location with enough switches to control the lights as we have ...
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5answers
3k views

Will switching to LED lightbulbs make a significant difference in my electric bill?

I asked Reliance Controls about a THP103 meter that I was having trouble with. Turns out that its not a true RMS meter and thus is unable to give you accurate readings on a CFL or LED installation. ...
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9answers
30k views

Can I use an LED bulb in a 3-Way fixture?

Is it possible to use an LED bulb in a 3-way light fixture? Will all three work?
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3answers
71 views

why is my led bulb running dim?

I have five LED bulbs outdoors near the Twin Cities in Minnesota, all of the same brand (Feit 800 lumens, if that matters), which have been installed somewhere around mid-summer 2013. We don't have ...
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2answers
3k views

How can I control several LED strips with one remote control?

I want to install several LED strips that cannot be connected to each other. Each would have it's own power supply. Is there a way to control them all with a single remote control? I seen several ...
2
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2answers
2k views

Problem with GU10 LED bulbs tripping out power

I have had some re-plastering and re-decorating work done in my kitchen. I had a new light fixture installed which takes 6 GU10 type bulbs. When the light fixture was first installed I placed 6 LED ...
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1answer
34 views

LED night light sensor

it's very weird but my led night light in the beginning worked properly meening it would turn on when in dark. After a short while of use it starting doing the exact OPPOSITE. It turns on when in ...
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votes
2answers
5k views

Can a low voltage light switch be located in a closet as opposed to outside the closet?

Okay you guys I have next question. And like all good questions this one begins with a story. I was reading the post about a nick in a wire and read a couple of you mention that light switch in a ...
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3answers
875 views

Multiple weak light bulbs vs one strong light bulb

I currently have a small room with a single CFL bulb at the center of its ceiling. The bulb lights up the whole room well enough. I encounter the problem though that when standing in front of the ...
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4answers
4k views

How to wire MR16 LED lights?

I am building a wall cabinet with downlights in the shelves, for which I would like to use MR16 LEDs. However, my first attempt was obviously deficient, since two of the LEDs blew. I'd appreciate some ...
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1answer
36 views

Poor LED dimming performance

I recently bought this LED dimmer to drive these LED bulbs on my recessed lights. The fixtures have a built in transformer that drops the voltage to 12v, but I'm bot sure if they are MLV or ELV ...
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2answers
378 views

Why do LED lights with a dimmer stay dim and won't go bright again?

I have a chandelier with five lamps. I brought an LED compatible dimmer and changed out the switch for the dimmer. I brought five dimable LED bulbs. The bulbs and dimmer worked for a little while, but ...
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1answer
42 views

LED strip lighting joining cuts?

I bought some LED strip lighting and it just arrived: http://www.amazon.co.uk/gp/product/B00LXZKPWY/ref=ask_ql_qh_dp_hza It's 5m but I only need about a metre so need to cut it to size. There are cut ...
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1answer
392 views

Why is my 12VDC LED flood light flashing when powered by a LED magnetic driver?

I just bought a new outdoor LED Flood lights which i plan to use on a field. However, when connected to a power source, the lights keep flashing and has a humming noise. The flood lights are 12vdc @ ...
0
votes
1answer
191 views

How to install multiple individual led strips?

I have started my final year in interior design and I really want to buy some LED strip lighting to light up my scale models to give them a much more lifelike appearance for photos. I wouldn't really ...
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1answer
201 views

What voltage adapter do I need for a 5 meter 5050 LED strip?

I have a 5050 5 meter LED strip and it requires an AC/DC adapter to run the full strip. I was told that I needed a 2A adapter, but I went to electronic store to buy an end adapter and they said this ...
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0answers
114 views

Why do some of my IKEA Utrusta not work sometimes?

In my kitchen I have four IKEA 40cm Utrusta lights, which are attached to each other. Sometimes, the outer two light up, but the middle ones do not. How can I debug this and how can I fix this?
3
votes
1answer
64 views

LED lights delayed when turned on

I had my house built last year and after moving in noticed that in our living room (6 led downlights) when we turn our lights on 5 turns on at once and the 6th one will be delayed ranging from 1/2 sec ...
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3answers
458 views

Replacing G4 halogen bulbs with LEDs

We've got 12V halogen G4 fixtures mounted under our kitchen cabinets and would like to use LED's instead. I found some G4 LED bulbs on Amazon, and they fit in the fixtures just fine, but if I try to ...
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2answers
64 views

Do LED lamps need a bulb?

I bought an LED light bulb on eBay, which unfortunately is too big for the lamp i want to put it in. If I would remove the glass bulb however, it would fit. My question is, does the lamp actually need ...
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1answer
28 views

Calculating total energy savings for LED lighting

I'm redoing all the electrical in my entire house, and I was running some numbers just for fun on the energy efficiency gains by just having LED, vs incandescent bulbs. I know the basic LEDs use much ...
1
vote
1answer
24 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 ...
2
votes
1answer
98 views

Can I put dimmable LED bulbs in a ceiling fan fixture and wire it to a dimmer switch marked LED compatible?

Would there be any problems with putting dimmable LED bulbs into a ceiling fan fixture that holds three bulbs and wiring it to a dimmer switch marked LED compatible? The fan itself will be on just the ...
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3answers
13k views

Why do my LED lights flash on cold start?

Whenever I flip on my dimmer switch, all four dimmable LED lamps flash on in unison, blink off, and then come on at the selected dim level. This happens even with the dimmer slider maxed out, so it's ...
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1answer
47 views

How well will LED strips hold up in a kitchen?

I am planning to install LED strip light in my parents kitchen. We have a chimney that is blocking out all the light over the stove top. The things I am worried about is Longevity of the lights. I ...
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1answer
124 views

Plastic cage around LED GU10 socket

We bought a new house in the UK in 2011. Most of the lighting is GU10 LED bulbs although a couple of rooms have GU10 halgens, which I'm happily replacing with LEDs as they burn out. A couple of the ...
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2answers
380 views

LED Light Strips on bunk beds

We are moving house next Friday and our 2 boys are moving from a room each in to sharing. To give them as much space as possible we're going to attempt to modify 2 Ikea Kura beds that we've purchased ...
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2answers
259 views

Do I need 5V or 12V to power a LED light strip?

What is difference between 5V and 12V power supply? I want to power my WS2812B LED light strip (5m at 60 LED/meter) and don't understand why I would want a 400W 5V 80A power supply vs a 400W 12V ...
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1answer
256 views

Can I power seven 54W LED light strips from a 400W supply?

I have ws2812b 60 LED/meter and a 400W/80A power supply. Is it fair to say that my power supply is 'capable of supplying' up to 400W of power and not 'pushing' all 400W of power? My understanding is ...
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2answers
835 views

Can I connect all of my LED strips to a single power supply?

Im working on a project with LED light strips, and want to connect them all to a sd controller. The lights are ws2812b 60 LED/meter, and have 20 meters of it. It calls for 14.4w per meter @ 3 amps per ...
3
votes
1answer
60 views

What are Filament Style LEDs and how do they work?

I've been seeing lots of references lately to filament style LED bulbs. These seem to look exactly like traditional bulbs in that they have filaments. Are these any good and how do they work?
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0answers
39 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 ...
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1answer
134 views

Did four LED light bulbs break my light fixture?

I have a bathroom light fixture with 4 light bulbs. Until yesterday, those light bulbs were the classic incandescent light bulbs from GE. That light fixture has been working for the last 7 years with ...
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1answer
81 views

My LED strip lights just went boom, how to diagnose?

I live in a rented house (in singapore), where the master bedroom alone is fitted with a pair of LED strip lights, and about a month back, when we tried to turn it on, it went a (soft) boom, and hasnt ...
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1answer
122 views

Can I wire up a 353W projector with a 25W track light?

So I have a 25ft 16AWG power extension cord running up to my projector which draws 353W. I want to add a two outlet plug to the female end of the extension cord near the projector and get one outlet ...
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0answers
87 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 ...
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0answers
125 views

Delay when powering LED light strip

I made a "shop lamp" out of an LED strip and power supply. When I plug it in there is a 1-2 second delay before the lights are powered up. Do some transformers have a shorter delay than others?
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1answer
112 views

CFL vs LED bulbs

I would like to know the advantages and disadvantages of CFL and LED bulbs. Is LED bulbs makes eye strain?
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0answers
28 views

Two IR switches for one cabinet light?

Wiring a led cabinet light. There's two doors and I have two IR switches. One switch works as expected. The other one you have to close the circuit , open it and close it again to get the light on. ...
4
votes
2answers
4k views

Lutron LED/CFL Dimmer switch turns lights off the wrong way, up is down and down is up. What's the problem?

I bought the $20 Lutron Dimmer Switch (TGCL-153PH-WH) from my local big box hardware store. It dims the Cree LED bulbs great. There is just one problem... no matter how I install the wires the switch ...
2
votes
1answer
232 views

Why won't a 13W LED work in a 75W max 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 ...
2
votes
4answers
7k views

What do I need to know about LED strip lighting?

I've read a ton of various posts about different aspects of LED lamps, strips, comparisons with fluorescent and incandescent lamps, and I decided that I want to install LED strips to light my room. ...
1
vote
1answer
724 views

What gauge wire for long run from power supply to LED light strip?

I am wiring in some 5050 RGB LED strip lights in my basement. There is a small utility room adjoining and I'm keen to keep the transformers and signal amplifiers in there in order that they can be ...
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1answer
5k views

What kind of led strip should I use?

i looking forward to install LED Strips (Cool White) in my new home. But I am not sure what kind of LED Strips should I use. Till now I have read that I can use 5050 or 3528. In the photo the ...
1
vote
0answers
65 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 ...
2
votes
1answer
338 views

LED undercabinet lights but 240v inputs

I have replaced a run of halogen under cabinet lights with 1w lights running of an LED driver. This string of LEDs goes under a run of wall cabinets over a worksurface. I have two smaller ...
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5answers
6k views

What can I do to avoid incandescent bulbs for my 3-bulb ceiling fan, yet maintain brightness?

My ceiling fan takes 3 candelabra (E12) base bulbs for lighting. The bulb slots are labeled 75W - 125V. The fan light is dimmable and I currently use 3 60w incandescent flame tips. I plan to ...
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1answer
131 views

Is there such a thing as an actual 60W draw LED or CFL bulb?

CFL and LED lightbulbs are sold as being "40/60/100 watt equivalent". They're designed and sold as replacements for a certain wattage of incandescent lamp. I have some fixtures where I want a very ...
3
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1answer
235 views

How to prevent blinking LED on a three way Lighted switch circuit with only one light fixture?

I have a stairwell that has only one wall sconce with two switches that are lighted when off. one upstairs, and one downstairs. I recently replaced Sconce, and added an LED 60 watt bulb; I triple ...
1
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1answer
38 views

How should I power 6 30W (30-36v 1.05A) LEDs from the mains?

Was reading about transformers, so basically, which transformer will be optimum, could i get a 36-30v one and not worry about resistors?