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0
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1answer
51 views

AC to DC LED dimmer

Alrighty - I am working on a home project. I know SOME electrical engineering as I have a masters in physics. I am wanting to install a LED dimmer in my home. The LED dimmer I have found online ...
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2answers
49 views

Add LEDs to ceiling fan

My baby seems to love watching the ceiling fan spin. Not sure if he is retarded, bored or just super fascinated. Anyway; I was thing, perhaps I could add a few LEDs to the fan blades. My question to ...
2
votes
1answer
195 views

When I turn the light on/off on one circuit, it makes the light “blink” off/on on another circuit

I apologize for the long post, but I wanted to provide as much info as possible. Recently I started a DIY home electrical project to replace a lot of light fixtures, the light switches, and the ...
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votes
2answers
241 views

What do I need in order to install under cabinet lights?

I want to install hardwired, under-cabinet lighting, but I need some guidance on what kind of devices (transformers/drivers/adapters) I need to complete the project. I know very little about ...
2
votes
3answers
181 views

Can I Connect RGBW LED Strips With LAN Cable?

I'm in the process of remodeling my kitchen. I plan to install RGBW led strips on the top of the upper cabinets, below upper cabinets and below ground cabinets. I have to close off any wall holes and ...
1
vote
1answer
103 views

One Big Power Supply vs Multiple Smaller Ones

I'm remodeling my kitchen and decided to get LED strips. I already know the necessary power for my LEDs, but I want to decide whether to power them all from one source or multiple sources. These are ...
1
vote
1answer
88 views

New LED flood lights give off quick flash when turned off

I just purchased 6 new LED Flood Lights for my kitchen, my kitchen has two light switches that turn the lights off and on and neither of them are dimmers so I purchased non dimmable LED lights. One ...
1
vote
1answer
109 views

Will an LED light bulb illuminate down on this uplight lamp?

I have this Ikea Floor Uplight lamp and I want to replace the current CFL light bulb with an LED light bulb. I'm thinking of using a Philips 433235 60 Watt Equivalent SlimStyle A19 LED Light Bulb ...
1
vote
1answer
297 views

Dimmer switches & LED lights: Lights keep turning up to max and won't stay dim

I'm a tenant in an apartment and we're having strange lighting issues. We have a dimmable light switch panel in our lounge with 2 controls, controlling 4 LED spotlights each. The dimmers make a ...
1
vote
1answer
214 views

3-way led bulb problem

I have tried 2 3-way LED bulbs by GE. The settings are 50w, 100w and 150w. They have the same base configuration as incandescent 3-way bulbs (extra ring around center contact). When I turn it to the ...
1
vote
1answer
320 views

Change recessed CFL lights to LED

I have the CFL recessed lights in my kitchen but i want to change them to LED, some one at home depot told me that i will need to change the can. Can someone help or guide me to a video or ...
0
votes
1answer
184 views

how to hardwire an exterior rope light properly?

Update: As suggested in answer by Ecnerwal, I am changing the question a little bit. Instead of asking what type of rope light this is, I am now asking what would be the proper way to bring this "up ...
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0answers
174 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 ...
1
vote
1answer
243 views

How can I make a bluish “white” LED less blue?

I recently bought this white LED reading lamp. I like it a lot, but the "white" light produced is significantly blue; I'll guess its color temperature is about 5000K. I've noticed that, when this is ...
0
votes
1answer
131 views

Can LED strips serve as the main light of a room?

I would like to know if led strips can serve as the main light of a living room (4.5mx3.5m) and if so, what kind of strips and where to put it in the room (along the walls, along the edges of the ...
1
vote
2answers
69 views

Switching to LEDs: 12v LEDs on existing transformer or remove transformer and use 240v LEDs - Which is better?

I have +/- 50 10w halogen lights running on transformers at 12v. I want to switch these to LEDs. Some quotes are coming in with keeping the 12v transformers and getting 12v LEDs and some are on ...
0
votes
1answer
74 views

How high off the ground can you place LED lighting?

Our ceiling is about 15 feet tall. We'd like to place LED lights on it to light our seating area and room. We're wondering if the lights are too far if the light may be too diffuse by the time it ...
1
vote
2answers
103 views

Is it possible to use LED lamps in ceiling r80 eyeball fittings

I have a pair of eyeball style R80 100w fittings in my kitchen. These are horribly inefficient, so I recently tried replacing one of the bulbs with an 18w LED lamp (a LEDLite branded one from TLC ...
3
votes
1answer
86 views

How do those glowing LED faucet aerators power themselves?

Google LED faucet aerator and you'll see dozens of different color-changing faucet aerators (and showers), most of which are powered just from the stream of water. How do they generate the necessary ...
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votes
2answers
56 views

led bulbs flash when turned on

I have a lamp designed for 6 12v g4 bulbs. I replaced all the bulbs with LED bulbs and the lamp only flashes on when I flip the switch. I replaced one of the LED bulbs with a halogen g4 and the entire ...
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votes
0answers
148 views

Replacing light timer using LED fixtures with slow flicker

Replacing exterior garage lights timer (connected to 2 lights) that stopped working with a new timer. When opening up the outlet with existing timer, there are three wires - one connected to white and ...
2
votes
1answer
149 views

Why would an LED stop flickering when connected in series with an incandescent?

I recently bought some LED replacements for G4 base under cabinet light which has 3 sockets. When I put the first bulb in I noticed it was very dim with a bad flicker. Adding the next two made the ...
0
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0answers
180 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 ...
1
vote
1answer
134 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 ...
1
vote
1answer
68 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 ...
4
votes
2answers
4k 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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vote
2answers
78 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 ...
0
votes
0answers
381 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?
0
votes
1answer
39 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
101 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
1k 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 ...
1
vote
1answer
128 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 ...
0
votes
2answers
2k 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
315 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 ...
3
votes
1answer
92 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?
1
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0answers
65 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 ...
1
vote
1answer
194 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 ...
1
vote
1answer
256 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 ...
2
votes
1answer
225 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?
1
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0answers
165 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 ...
2
votes
1answer
2k 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 ...
2
votes
1answer
317 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 ...
4
votes
1answer
2k 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
vote
1answer
50 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?
1
vote
0answers
88 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
2answers
2k 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 ...
2
votes
3answers
575 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 ...
1
vote
2answers
579 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?
1
vote
0answers
55 views

Connecting LED strips, Which plugs?

I want to make a LEDstrip(RGB, 300 LED, 3528, 5 meter) At the back of my 40 inch television. But I have some struggles finding out what I need for that. I have found this strip: LED Strip And I ...
2
votes
1answer
608 views

Why are my LED bulbs flashing?

I recently replaced all eight bulbs on my chandeleir with dimmable led light bulbs. They work fine when on, but at approximately half power (dimmer turned half way through), the bulbs start flashing ...