Questions tagged [lighting]

Planning, installing and using either indoor or outdoor artificial lights.

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4
votes
1answer
95 views

I just replaced a light switch, how can I make sure it's safe?

I just replaced my dimmer switches with Insteon switches. Everything works, and I believe all the connections, etc. are correct. My box did not have a ground wire, so I was told that as long as the ...
4
votes
4answers
2k views

How to prevent heat loss over a recessed light?

I have a recessed light installed in a sloped ceiling - no attic space over it. On a cold morning when there is frost or snow on the roof and I stand outside the house, I can see a warm spot directly ...
4
votes
6answers
42k views

What could cause flashing LED lights when other LED lights in a different room are turned on?

I have the same problem and I'm pretty certain it's NOT related to bad switches - let me explain. We have LUTRON switches through the house. All was fine. We then had a minor 2nd floor renovation ...
4
votes
1answer
3k views

Molten wire nuts on recessed MR16 halogen lights

In one room of the apartment we rent, there's recessed 12v MR16 halogen lighting. There are 3 different circuits with dimmers. I noticed that two of the bulbs were humming loudly even when dimmed all ...
4
votes
1answer
1k views

How should I connect my light fixture?

I'm installing a ceiling light to a fixture that was previously unused. However I'm having trouble because there are 2 groups of white wires. Which white wire should I connect with the white wire of ...
4
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2answers
1k views

Is it kosher to splice wiring in the “can” portion of recessed LED lighting?

I've recently installed some 4" recessed fixtures (IC rated if it makes any difference) that had an incompatible plug for the lights I bought. The cans came with a two-pin orange colored plastic ...
4
votes
2answers
14k views

How do I replace a single pole light switch with a programmable timer switch?

We have a light switch box containing three single pole switches (no ground terminal) in the foyer near the front door. I would like to replace the light switch controlling the porch lights with the ...
4
votes
2answers
924 views

What could cause lights to come on full strength then dim?

I just finished setting this up: There are actually 4 lights chained together at the end rather than just one. Once I finished I turned the circuit back on and tried out the switches. All of them ...
4
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3answers
22k views

Why did my circuit blow after replacing a switch?

I replaced an older switch yesterday on an existing line of recessed lights. There are five lights on the one switch. On the same breaker; but different switch, there are 7 more recessed lights (all ...
4
votes
1answer
3k views

How can I get recessed lighting on a middle floor? [duplicate]

Possible Duplicate: How do I install uninsulated halogen can lights? I would like to install some recessed lights in my living room. I've done this sort of job in houses with an attic directly ...
4
votes
1answer
11k views

Can I replace broken clips in a recessed light fixture?

I have discovered some of the remodel cans (Halo/Elite) that I had an electrician install have broken clips (the clips that hold the can to the drywall). Are these easy to replace or does the entire ...
4
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4answers
834 views

What is the proper way to convert a pair of three-way (SPDT) switches into a single two-way (SPST) switch?

I'm in the process of replacing some of the light switches in my house with smart switches, Wemo Light Switches in this case. I've had no problem with the replacement of my One-way switches (SPST I ...
4
votes
2answers
2k views

Can I install a light between two three-way switches?

is it possible to add a light to a three way switch circuit between the two three way switches (ie can i tie into the three wire connecting the two switches in anyway to make them work the new light I'...
4
votes
4answers
28k views

Motion sensor activates for no apparent reason

I've been looking at some of the other questions about sensors, but I can't find a solution to my problem. I have a movement sensor (PIR i presume) that turns on a light when movement is detected. ...
4
votes
3answers
9k views

Ceiling fan light dims

I have a Harbor Breeze ceiling fan and light kit. When I turn on the light, it starts out bright, but then in a second it dims. It doesn't turn off, it just dims. What could be causing this to ...
3
votes
3answers
11k views

How to prevent incandescent light bulbs from heating up the room, safely?

Currently I have ten 60W incandescent light bulbs heating up my room, very little ventilation, and no ideas on how to stop them from making the room so very hot. If I had other lighting option, I ...
3
votes
2answers
2k views

Why does my ceiling lights require some other outlet in the room to be turned on and off again before it works?

Picture the scene: I walk into a room and flick the light switch. Nothing happens. I grobble around in the dark to where a baby bottle warmer is plugged into a normal outlet and turn the warmer on. ...
3
votes
2answers
403 views

Are LED's always necessary/desirable?

I don't need or find it aesthetically pleasing to have little green micro-energy leeches illuminating every outlet and switch in my home. are there any GFCI's/outlets/switches that are LED FREE for ...
3
votes
1answer
5k views

How to determine what 3-way switch system was used?

How can I tell if an old Knob & Tube 3-way switch is still legal by the modern NEC? Specifically I am trying to tell if my switch is a "California 3-way" (or "Coast 3-way", "Hollywood 3-way", etc....
3
votes
2answers
130 views

Light Fixture Stopped Working After Replacing Its Three-Way Switch

I have a halogen light fixture that is powered by a three-way switch at the top of the stairs and another three-way switch at the bottom of the stairs. After I replaced both switches with new 3-way ...
3
votes
3answers
1k views

Is it ok that a hot wire connects to two separate switches?

I recently tried to replace my light switch with some smart switches but when I open it, the wiring was a bit odd to me. The top of wire of the first switch was piggy tailed/connected to the bottom ...
3
votes
3answers
354 views

Is there any way to change this light bulb? (no socket I guess)

My ceiling lamp died. Is there any way that I can change this light bulb? The white wires are soldered into the ballast inside the box. The ballast also is wired to pins connect to the bulb. So I ...
3
votes
3answers
851 views

Does a fluorescent light fixture use more energy than an incandescent?

Help me save a friend's marriage! :-) They have 2 light fixtures in their bathroom. One is incandescent with 6 75W bulbs, and the other is a fluorescent fixture with a 22W bulb that looks like it ...
3
votes
5answers
22k views

What could I have done wrong while changing to LED bulbs in my recessed lighting?

I have six recessed lights in the kitchen. I bought six new LED bulbs to replace the old incandescents. I had to lower the socket an inch or two along the track in the recessed fixture in order to get ...
3
votes
3answers
85k views

Why are my fluorescent lights not working sometimes?

I have a fluorescent light fixture in my kitchen, which uses u-shaped tubes. A few weeks ago they just stopped working. I could turn the switch on and there'd just be no light. Not flickering which ...
3
votes
4answers
23k views

How do I fix a ceiling fan that won't turn off?

I have a ceiling light/fan fixture in one of my rooms connected to a single electrical switch. There are two pullchains on the fixture, one that controls the light, the other controlling the fan. I'd ...
3
votes
2answers
4k views

Replacing 5 gang light switches that have 3 of them daisy chained together

I am trying to figure out how to wire these with a new style light switches (the basic 1 and 2-way switches from Home Depot). I've installed light switches before but this is confusing to me because ...
3
votes
3answers
370 views

Exposed wire in ceiling light

Was changing the two dead light bulbs and a piece fell off than noticed the wire became exposed. Is this something I can fix as a diy and how dangerous to use the light.
3
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2answers
7k views

Is there a reason I should NOT install a ceiling fan in my kitchen?

We need to install a new ceiling light in the kitchen. We do not have any kind of exhaust fan in the kitchen, and it would be nice to be able to move the air around on the occasion that something gets ...
3
votes
1answer
689 views

New light fixture - grounding wire connection

I'm trying to install a new light fixture for the first time in my life. I'm not sure what to do with the grounding wires, especially since the old fixture didn't have one. The directions Do I connect ...
3
votes
2answers
1k views

Help on identifying light socket? (Japanese apartment)

Bear with me if I did something wrong. Long story short, I rented a rather cheap old apartment in Japan and the main rooms didn't come equipped with light bulbs. Can anyone help me identify what type ...
3
votes
2answers
659 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
votes
3answers
6k views

How to darken a room without hurting airflow?

I am a sucker for open windows. My room has two windows on opposing sides, and I get an amazing flow of air between them most hours of the day and night, and I want to keep it that way. A problem ...
3
votes
1answer
6k views

Why won't my dimmer dim CFL Lights?

My dinning room had an on/off switch for the light which made it impossible to have romantic dinners there - the light was either too bright or off. So I decided to install a dimmer. Being energy ...
3
votes
3answers
592 views

Convert light fixture to receptacle

Current situation On my garage ceiling there is a light fixture which has been converted via the adapters pictured. It is controlled by a switch which I don't like because I never want to turn off ...
3
votes
1answer
327 views

How do I install switches in this box?

I have a bathroom that has two lights, both had dimmer switches. Next to the bathroom is a bedroom which is on the same circuit. So, for the sake of simplicity, let's say there are three lights: ...
3
votes
4answers
6k views

Can you install an LED floodlight in a regular ceiling fan?

I'm considering buying this 9 Watt BR30 reflector LED bulb to replace a 60W incandescent bulb on a ceiling fan: The ceiling fan actually has 4 lights (I only need one of the lights so the other 3 ...
3
votes
3answers
2k views

How do I get my fluorescent 4-tube under-cabinet lights to come on reliably?

How do I get my fluorescent 4-tube under-cabinet lights to come on reliably? When they have been on a while and just been turned off they will reliably come on again immediately with no flicker. ...
3
votes
5answers
18k views

What are my options for replacing 50W GU10 lightbulbs?

I've been looking at replacing 50W GU10 halogen lightbulbs for something more energy efficient. Some people say that LEDs cannot give you the same light (even 10W LEDs), and to use 11W CFL instead, ...
3
votes
2answers
823 views

Is it OK to have a light that can only be controlled via automation?

I am retrofitting the main light in a room to be controlled by a home automation system, in this case, I'm using z-wave, but for purposes of this question, it could be any digital protocol. I would ...
3
votes
2answers
6k views

Why should I replace the starter every time I replace a fluorescent tube?

Many fluorescent tube guides recommend replacing the bimetallic strip starter every time the tube is replaced; however, no one seems to provide a specific reason why it needs replacing. Presumably you ...
3
votes
5answers
882 views

How can I 'share' lights between multiple circuits?

I am installing a rectangle of 3 x 4 recessed can lights in the ceiling and would like to have 4 separate circuits where each individual row of lights can be illuminated by its own switch. This means ...
3
votes
2answers
171 views

Is a permit required for replacing the front exterior light?

I live in California and checked my city's website for building permits requirements. One of the things it says requires a permit is an electrical upgrade. I want to change my front door light to a ...
3
votes
2answers
2k views

What kind of light can I install in a small, low-ceiling coat closet?

Our Northern California house has a small coat closet (really a hallway with 2 doors and hooks for coats) between our front entry-way and our basement. It's a tiny space: 3 feet wide, 5 feet deep, and ...
3
votes
4answers
2k views

How can I light picture frames from the floor?

I would like to light up three picture frames with something from the floor. They will be behind a sofa so we wouldn't see them and the picture frames are about at 1.5 meter above the ground. I have ...
3
votes
3answers
2k views

How many fixtures can run off a transformer?

How many twenty watt fixtures can run off a 100 watt transformer? Is it less than five? What overhead involved?
3
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2answers
150 views

What parts do I need to get this outdoor light working?

I'm sure I need a light bulb of some type, but I do not know what kind or what else I need. I just bought my first house and I am a DIY rookie.
3
votes
3answers
7k views

Why is my two way dimmer switch not working?

So I am putting in a dimmer switch, replacing a simple single pole switch. It is a simple two way, single pole dimmer, should be pretty easy. The existing switch works fine. AFter installation, the ...
3
votes
3answers
78 views

How to switch 40A timer used for outdoor lighting and direct 120V outdoor lighting

I am redoing my outdoor lighting and need to move 3 wall switches used for outdoor 120V lighting to a different place within the house. The issue is that the inground wire is 10/2 UF but the inside ...
3
votes
2answers
239 views

How deep should I embed a 30-foot light post?

I am installing a 30 Foot Round Straight Steel Light Pole, 5 Inch Diameter that I am purchasing from LightMart. I live in the outside of Las Vegas, NV near the mountains where sometimes its very windy,...