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

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10
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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
636 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
131 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
10k 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
189 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
435 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
516 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
477 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
360 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
1k 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
922 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
17k 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
598 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 ...
6
votes
5answers
32k 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
3k 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
7k 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
12k 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
26k 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 ...
5
votes
2answers
944 views

Confused about two way wiring on stair case

I have two light bulbs controlled by three light switches. I replaced two of them a while ago (can't remember what the wiring looks like) with no problems. However, I encountered the following issue ...
7
votes
2answers
475 views

How do I upgrade a conventional switch to a dimmer?

I have a single pole light switch (I guess that means 1 switch controls the light?). The top switch turns the light on, the bottom switch turns the fan on. I bought a dimmer, that has a black screw, ...
5
votes
4answers
30k views

What is the difference between R20 and PAR20 lightbulbs?

Are they compatible? What do R and PAR prefixes represent in general? Important decision, need to buy several replacement lightbulbs!
7
votes
2answers
1k views

How to find LED Christmas lights that look more like traditional incandescent bulbs?

We just bought some LED Christmas lights that are labeled 'warm white', but when we hook them up they look ugly in the light they emit and seem very blue in their color to me. The specific kind I got ...
7
votes
1answer
19k views

Light switch setup using only hot wire. Is it normal?

I was changing the light switches around the house when I came upon this setup. The two switches to the right are all wired using the hot wire (black) from the two electrical wire on the back panel. ...
1
vote
3answers
7k views

What did I do wrong??! Wiring error is tripping circuit breaker

Here's the scoop: There are 3 switches in my hallway. One switch on side A and two switches on side B. Side A switch controls same light as one switch on Side B. I replaced the switch on Side A ...
3
votes
1answer
753 views

Should the tester start flickering when I touch my chandelier's top wiring cover?

(First time quiestion here, so correct me if something's wrong) I recently installed a lamp on the ceiling (a metallic chandelier). Two wires connected to the ceiling (one phase and one "zero"). The ...
7
votes
2answers
1k views

Are there energy saving lamps which work with touch/electronic dimmers, timers, etc.?

Dimmable energy saving bulbs are usually labeled as "Use only with standard dimmers. Not to be used with touch dimmers, electronic dimmers, timers, ..." After reading ...
3
votes
4answers
909 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 ...
5
votes
1answer
3k views

How do airtight recessed lights compare to IC-rated ones?

I'm trying to figure out what recessed lights to purchase. The ceiling room has an attic directly above with insulation in between. It appears that IC-rated cans are necessary here, correct? How ...
4
votes
4answers
444 views

How can I wire an array of ceiling lights for easy reconfigurability?

I want to put in 16 new recessed lights (roughly a 4x4 grid), and I want to control them with two panels (one on each entrance to the room) of switches. But since we are constantly rearranging the ...
2
votes
1answer
634 views

Can I use a US-bought chandelier in India?

I am planning to buy a chandelier in the US for my home in India. I understand the voltage difference (110 V in the US as compared to 220 V in India). The chandelier uses 60 Watt candelabra bulbs. ...
13
votes
3answers
1k views

Can I safely use a switch rated for “1A at 125V” with 240V, assuming I stay below 125W?

I recently purchased a foot switch for a standing lamp. The switch is rated for 1A at 125V. I would like to use this switch with a low energy lamp (typically 10W or below) but with a 240V supply. Is ...
5
votes
1answer
438 views

Replacing chandelier with new, No ground wire in old chandelier

I am replacing a chandelier with new one, No ground wire in old chandelier and my vaulted ceiling is at least 30 feet high. Can I just not connect the ground wire and coil it up so it is out of the ...
3
votes
3answers
662 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?
4
votes
1answer
397 views

Can I use a 175 Watt rated dimmer switch with 4 50 Watt low-voltage light bulbs?

In my bathroom I have 4 x 50W 12V halogen lights, each one connected to its own dimmable capable transformer. I've purchased a ceiling-mounted dimmer switch from Amazon, to replace the current on/off ...
2
votes
1answer
278 views

What hardware do I need to have a wireless light switch in UK/Ireland?

Builders are converting my attic at the moment and stupidly, the electrician only installed the light switch for the attic at the bottom of the stairwell so there's no actual light switch in the room. ...
6
votes
6answers
5k views

Why are bulbs burning out quickly in newly installed light fixtures?

I installed five incandescent, recessed light fixtures in the cathedral ceiling of my living room. The fixtures are wired in parallel series (A connects to B connects to C ...). All the wiring is done ...
8
votes
1answer
30k views

How can I override a motion detector light?

I am going to be installing one or two motion detector lights to cover my backyard. I would like the ability to "override" the motion detector. What I mean by this is that I would like to be able to ...
2
votes
2answers
645 views

What is the difference between GU-4 and G-4 bulbs?

I plugged a G-4 bulb into a GU-4 slot and it burned up the unit yesterday. What does that U mean?