Tagged Questions

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

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2
votes
3answers
992 views

How to reduce brightness of recessed LED?

I have recessed LED in the bathroom which is way too bright. LED is dimmable but I can't put regular dimmer in front of it since it has small switch shared with two other switches. Neither I need ...
0
votes
3answers
1k views

How can I hide the wires to a self-made ceiling light fixture?

I have a simple self-made ceiling light fixture, but it currently lacks two things: some kind of a pipe to hide the wire. a cover to hide the ceiling junction box. I'd like to use something ...
6
votes
2answers
6k views

Why does my fluorescent light fixture take minutes to turn on in high heat and humidity?

Our kitchen fixture won't come on for 3 to 5 minutes when the temperature goes over 90°F (32.2°C) and 90% humidity. It flickers and only reaches 80% brightness after that. It will occasionally ...
2
votes
4answers
972 views

How can I fabricate a custom one-off plastic part?

Here's some background: I just moved into a house and am in the process of fixing up the bathroom. I want to keep the two florescent lights that frame the medicine cabinet but the plastic covers are ...
3
votes
2answers
777 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 ...
5
votes
1answer
5k views

How can I replace multiple 3 way switches with motion sensors?

My tenants never turn the lights off in the stairwells of my 3 family house, so I'd like to replace all of the light switches with motion sensors. Here is a crude diagram of how this is set up now. ...
1
vote
2answers
527 views

Are CFLs available with mini candelabra bases? [closed]

Trying to replace a light bulb that has a mini candelabra base and want to replace this bulb with a CFL bulb but can't find any. Are CFLs available with mini candelabra bases?
4
votes
1answer
610 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 ...
3
votes
4answers
3k views

Do you know any switches which turns on/off based on day light?

I am looking for having some sensor based switches which will turn on/off the lights based on the light conditions during the day (i.e. turn on when there is less light and turn off when there is more ...
4
votes
3answers
8k views

How to replace 12v halogen under cabinet lighting with LED lighting from scratch?

Somebody initially wired up six 12 vac 10 w halogen bulbs under my kitchen cabinet, wiring them in parallel. The 12 vac power supply was putting off a lot of heat, and within a day or two appeared to ...
4
votes
1answer
3k views

How do I wire a two tube ballast to a single tube fixture?

I am replacing a ballast for a single tube. The new ballast I purchased is designed for two tubes but states that it is also compatible with a single (more powerful) tube corresponding exactly to what ...
0
votes
1answer
275 views

How can I convert wall lights to under-shelf lighting?

I have a home office, which currently has a couple of wall lights (controlled by switches on the wall, so part of the normal lighting circuit). I'd like to install some wall-supported shelving, and ...
9
votes
2answers
858 views

How can I change the bulb in this light fixture?

I would like to change the light bulb in the room because the bulb died on me. Trouble is, it is fixed to the ceiling and I cannot take the bulb out. I am attaching two pictures here. On one of the ...
2
votes
3answers
350 views

Space heater efficiency and light bulb efficiency in winter

New here, so apologies for the basic question. My undergraduate-level physics understanding of efficiency is it is the % of energy input that is turned into useful work as opposed to heat. At the ...
4
votes
1answer
754 views

Can I use the white from one switch, but the black from another?

Some terminology, because I don't know any better: light-fixture - An existing, separate, light fixture...currently with dedicated 14/2 vent-unit - A new vent just installed, has three ...
5
votes
3answers
2k views

Are there any other reasons to use 130 volt halogen light bulbs instead of 120 volt bulbs?

I recently had PAR30 50W Halogen light bulbs installed. I would have gone with 75W, but 50W is the max wattage supported by my light (shallow 6" can). I'm very disappointed with the how dim the lights ...
3
votes
1answer
3k 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 ...
5
votes
1answer
866 views

What's the best way to plug circular drywall holes left by electrician?

I'm having recessed lights installed and want to know the best method to plug the holes left by the electrician. I was thinking of something like paint stirring sticks and construction adhesive to ...
4
votes
3answers
560 views

What's a good way to customize or recess a lightswitch?

I saw this etsy project: Working Arcade Light Switch And while it's pretty cool, I'm not huge into arcade or fighting games, so I was going to make my own, and change the buttons. How would be a ...
0
votes
1answer
444 views

How to replace a single light switch with an electric dimmer switch

This is a very similar question to one I asked yesterday, which Ryan Walkowski kindly helped out with. This time, I'm looking for a some assistance in fitting a a single electric dimmer unit. I am ...
10
votes
1answer
2k views

How to replace a standard 2-gang light switch with an electric dimmer switch

I'm looking for a some assistance in fitting a new electric dimmer light switch. I'm in the UK if that makes a difference. I am trying to replace my existing two-gang light switch with a LightWaveRF ...
2
votes
2answers
660 views

Will an ungrounded light fixture on a GFCI circuit cause the GFCI to trip?

Shed outlet is powered from a GFCI breaker in the main panel. I want to add a switched light in the shed using power from the outlet. The outlet is a standard 20a grounded outlet, not a GFCI. No ...
0
votes
2answers
132 views

Is there any corelation between housing and lamp data?

Is there any method, table, equation, mathematical procedure, computer algorithm, or data base to convert lamp data such as a Philips PAR30L flood lamp or LED Par38L flood lamp to minimum housing ...
1
vote
2answers
3k views

Replacing chandelier, how many lights can it support?

I want to replace a chandelier that currently has 2 bulbs, and I want to replace it with one that has at least 5 bulbs if possible. We live in an older building (built in 1912), and a friend warned me ...
2
votes
1answer
2k views

Do I have to use armored (MC) cable to connect to a pot (recessed) light fixture?

Most of the recessed lighting fixtures I see in stores have a metal junction box separate from the can. There is an armored cable running from the junction box to the can already. You connect your ...
3
votes
1answer
2k views

What debuzzing coil should I use to get rid of lamp hum?

I have two lamps which use these big 300W bulbs that I am dimming with Insteon LampLink modules. They buzz quite a bit, and I previously asked a question about reducing the buzz which led me to ...
12
votes
5answers
11k views

Why do my new dimmable CFL bulbs hum?

I just spent $100 upgrading our dining room lighting from regular incandescent bulbs with a dimmer switch to a CFL friendly dimmer switch with specifically marked dimming capable CFL bulbs. At full ...
2
votes
1answer
191 views

How can I replace an integrated security light with a solar powered version?

Above our front door, we have (for want of a better word) a security light. This light can only be controlled by a switch near the front door. The light switch for the is just one of three on the same ...
3
votes
2answers
2k views

What could cause a brand new fluorescent fixture to not work?

I purchased a brand new fluorescent light fixture to replace my previous fluorescent light fixture (it was old and one of the ballasts was blown, so it half-worked). After drilling the holes in the ...
4
votes
3answers
1k views

How can I utilize a light switch for a specific outlet?

I just moved into a new apartment and in one of the bedrooms, there is a light switch that switches one of the outlets on and off. Unfortunately, this outlet is placed in the opposite side of the room ...
4
votes
1answer
445 views

When choosing lighting fixtures for new construction, should I go integrated or non-integrated CFL?

I do facilities maintenance for a company in Boston, and one of our newer buildings (built in 2006) has non-integrated CFL fixtures. I was really surprised when I went to HomeDepot to buy some new ...
2
votes
2answers
533 views

What heat resistant plastic should I use for a lightbox?

I'm making a lightbox to house a strip light behind a large photographic print. I'd like to use relatively thin (i.e. light) plastic. I looked into using foam PVC, but it's not very heat resistant and ...
3
votes
1answer
3k 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 ...
1
vote
3answers
486 views

Why would lights plugged in to lamp holder outlet adapter be testing as live?

We bought an old pendant light for our flat, with a two prong plug. Rather than rewiring it in to the existing outlet, I just bought one of those $2 lamp holder outlet adapter. To be on the safe ...
2
votes
2answers
1k views

How do I use this H/L/V Wiring?

I am replacing an OLD h/l/v with a BROAN 100HFL I DO NOT have a 12/2 and a 12/3 coming from the 3 switches on the wall. I DO have this, two 12/2 coming from the 3 switches AND another 12/2 that ran ...
3
votes
1answer
7k views

How can I replace a 3-way light switch with a motion sensor?

I'm trying to replace one of the three-way light switches in my garage with a motion sensor. But I'm confused by the wires on the existing switch. I thought the hot wire goes to the black screw ...
7
votes
2answers
9k views

Can I install recessed lighting in vaulted ceiling with 6" rafters?

I would like to install recessed lighting in my vaulted ceiling. One contractor I spoke with suggested not doing that because the rafters are shallow (only 6 inches), which does not leave much room ...
1
vote
2answers
367 views

How do I change lights bulbs that are 20 feet off the ground and pointing up (in a vanity fixture)?

How do I change light bulbs that are 20 feet off the ground and pointing up (in a vanity fixture)? Does anyone know of a bulb changing kit that has some kind of arm attachment that will allow me to ...
2
votes
2answers
2k views

Fluorescent Light In Garage - Mounting Issues

In our garage, I'm trying to mount a flourencent light fixture that is 4 foot long. The problem is, I don't know how to mount it. I'm assuming that I would want to drill the screws into the ceiling ...
5
votes
2answers
4k views

What about a light switch in 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 ...
3
votes
2answers
956 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. ...
32
votes
8answers
18k views

When I turn down the dimmer switch on my lights, do I actually use less electricity?

My wife and I have several lights on dimmer switches throughout our home. We generally prefer the ambient lighting provided by dimmed lights. I am curious, though, if we are saving any electricity by ...
4
votes
2answers
630 views

How can I add a second light to a circuit?

I have recessed lights that are controlled by two switches. They used a black, red and white wire for each switch to a junction box then used a 14-2 wire to the recessed lights. My question is how do ...
2
votes
1answer
2k views

Are T12 fluorescent lamps still available?

My '70s house is chock full of fluorescent tubes. the T12s look the best with the architecture. those pansy T8s are way too small. Anybody have a lead on where to get 48" 32W T12? PS. can we add ...
8
votes
5answers
34k views

Do I really need a special bulb in the oven?

My oven light burnt out recently. After dismantling it I found a 40W 130V "appliance" bulb with a standard Edison connector. The bulb is slightly smaller than a normal incandescent bulb. Looking for ...
3
votes
2answers
4k views

Why would an outdoor floodlight only work in test mode?

I have a new outdoor floodlight that works in test mode. Adjusting the range works. It turns on when you walk in front of it. But as soon as I switch it to 1 minute, 5 minutes, or 10 minutes... the ...
10
votes
5answers
9k views

How should I hang Christmas lights where I don't have any gutters?

I finally got around to hanging Christmas lights this year. I bought gutter clips so I wouldn't have to permanently install anything, but I just realized that I don't have gutters along a pitched ...
1
vote
2answers
13k views

Can an incandescent light dimmer be used to dim LED lights?

I have two dimmers which control 500 incandescent lights. Now I need to replace the lights with LEDs. Can I use the same dimmers?
4
votes
4answers
5k views

Can I use a motion sensor to control fluorescent lights that are plugged into an outlet?

In my garage, the light switch by the door is wired to an outlet on the ceiling. I've got two, inexpensive 4' fluorescent lighting fixtures plugged into that outlet. I know that wiring a fluorescent ...
8
votes
3answers
27k views

What's the difference between dimmable and non-dimmable LED lamps?

I have a large room in my house with 3 light fittings with a total of 10 40W GU10 bulbs. So, this is using 400W when they're at max output. (They're all on dimmer switches) I'm interesting in ...