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10 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 ...
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0answers
33 views

Why would an LED stop flickering when connected in parallel 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 ...
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0answers
22 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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1answer
44 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
38 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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1answer
84 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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2answers
65 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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0answers
124 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?
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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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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 ...
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1answer
25 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
101 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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1answer
49 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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2answers
277 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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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
135 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
84 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
115 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. ...
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0answers
91 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
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1answer
240 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 ...
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1answer
135 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
241 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 ...
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0answers
17 views

LED Light flickering on Inverter Supply [duplicate]

Recently we Have installed 900 VA Inveter in our premises. While interruption of Grid power , Inveter takes load. LED starts Flickering on inveter power supply. Is there any specific reason and what ...
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?
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0answers
67 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 ...
1
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1answer
228 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
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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0answers
128 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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0answers
43 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
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1answer
163 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 ...
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0answers
174 views

LED light bulbs turn off immediately after being switched on

I have 11 spotlights in my kitchen which are 12V MR16 fittings. Recently they've started giving me trouble. Only 5 out of the 11 still work correctly, the rest have gone I decided it must be a heat ...
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2answers
388 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 ...
3
votes
1answer
104 views

Why are LED bulbs in a cooker hood flashing when I put in the fourth bulb?

I replaced 4 bulbs on a cooker hood with LED bulbs. Three will work ok till I put in the fourth; then they flicker once when turned on but will not stay on.
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2answers
856 views

What should I do to increase the dimming range of LED bulbs?

We started doing most of our homes in LED last year. I am a big dimmer fan and would pretty much put a dimmer on any light switch. One thing that I haven't gotten down is the dimming range of the ...
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1answer
273 views

Is it OK to leave a dimmer switch on low constantly (LED light)

I have a new LED ceiling light in our hall, and installed a compatible dimmer switch (both Leviton). The dimmer has a slider plus a switch, and when the switch is on, but the slider is all the way ...
2
votes
1answer
84 views

Using LED light bulbs in a dimmer

I have this light fixture: that used halogen light bulbs (philips ecovantage, 500 lumens, 120v, PAR FLOOD25) - ll failed during the same week but one: I wanted to replace them with those LED ...
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1answer
125 views

Is this really inductive/capacitive coupling, and is this remediation practical?

I have replaced some 25W light bulbs with 4W LED-filament bulbs with 2700K emission. The light is equivalent if not superior, and 25W incandescent bulbs are becoming increasingly difficult to find. ...
2
votes
2answers
533 views

Recessed LED lighting orange connectors

Installing 12 recessed light cans in the basement. Figured I'd go LED, so I purchased a dozen HALO LED housings (H750T). Then I spotted a deal on Philips LED lights and ordered a dozen from HD online. ...
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vote
2answers
893 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 ...
4
votes
1answer
1k views

Why does an LED light turn on and off irregularly while the switch is in the on position?

We have had a LED light in the family room for several months now. In the past week it has started to act funny. We turn on the LED light and after a while it turns off and then goes back on and then ...
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votes
1answer
387 views

led light strip not working

I have a 5m led light strip that does not light up. There are 2 wires at both ends of the light strip. At one end, i connected the wires to a driver and to an electrical point. As for the other end of ...
0
votes
2answers
121 views

how to light up ten (10) led downlights with each having 14w power consumption?

recently i had opted to upgrade my store with LED downlights of 14w each. problem i am facing is that drivers of these are going corrupt frequently. my electrician said , we can replace these drivers ...
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 ...
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2answers
382 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
589 views

Can I put a LED tube in a high frequency ballast fixture without removing the ballast?

To replace my old fluorescent tube lamp I bought a LED tube. The old fixture was one with an electrical ballast and without an additional starter as shown below. I read that I was supposed to ...
4
votes
1answer
364 views

What alternatives to R20 bulbs can I use?

When we bought our house, the lighting fixtures in the ceiling came with R20 bulbs. I know nothing about lighting so I figured that only R20 bulbs are compatible with our fixtures. But I'm realizing ...
2
votes
1answer
259 views

What size power supply do I need to connect two 5 meter LED strips? [duplicate]

I want to buy 2 of these 5 meter LED strips to make a 10 meter run. What power supply do I need to have to avoid voltage drop? what controller do I need? How do I connect those 2 LED strips?