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

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7
votes
1answer
18k 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
6k 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
707 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 ...
6
votes
2answers
987 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
864 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
435 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
591 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
421 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
624 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
370 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
256 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
4k 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
27k 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
585 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?
5
votes
6answers
7k views

Are CFL bulbs safe for enclosed fixtures?

I just got 3 dozen CFL bulbs for free, and was planning on replacing all the non-downward exposed fixture lights in my home with these bulbs. In the past I haven't even considered switching to CFL ...
6
votes
2answers
642 views

What recessed lighting technology is recommended for LED?

I'm remodeling my first floor and we will install recessed lighting in the existing ceiling. Right now is a tense time to make lighting choices as there are so many new technologies out there. My goal ...
5
votes
4answers
5k views

Can the socket in my recessed light be replaced without replacing the entire framing kit?

I have recessed lighting in my living room. One of the bulbs went out. I tried replacing it with a fresh one, but no luck. There is electricity flowing to the socket, but the socket appears to have ...
3
votes
2answers
2k views

Why does the breaker trip occasionally after I installed a new light fixture?

We bought a house a couple of years ago with a covered light fixture box in the ceiling (a blank cover over a wired box and a blank cover over the switch box). I recently modified a plug-in pendant ...
5
votes
4answers
5k views

Can I use a 23 W CFL in a fixture that's rated for a 60 W incandescent?

I have a lamp that is rated at 60 Watts for an incandescent bulb with a disclaimer to use a 13 Watt bulb instead when using a CFL replacement. Do I really need to respect that disclaimer? Would not a ...
5
votes
2answers
3k views

How do I know if my lightswitch is wired incorrectly?

I recently replaced a couple of the really old lightswitches in my house. Shortly afterwards I heard Shirlock Homes on the StackExchange podcast and he mentioned that you can shock yourself if you ...
1
vote
3answers
197 views

What is an effective way to attach this plastic filter to aluminum without drilling?

I have an aluminum angle that is housing an LED strip. I need to attach a UV filter to stop LEDs fading whatever it lights. I ordered a plexi angle that will work as a filter, I just need to figure ...
3
votes
1answer
464 views

Why does my fluorescent light fixture ruin bulbs within six months?

My bathroom has a fixture for twin 48" fluorescent bulbs. About every six months, the bulbs start to go bad. At first they will only come on about half way, and they flicker dimly for a few seconds ...
3
votes
2answers
107 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.
13
votes
2answers
926 views

Is there a good rule of thumb for how many lights you need in a room?

I want to use ceiling recessed wall washers in a 13 ft by 24 ft room. Any advice on light spacing so I don't create dark spots? How far from the wall vs how far apart from each other should they be?
4
votes
2answers
1k views

Why does my fan switch sometimes turn the lights off?

I recently undertook a small project replacing a single toggle light switch with a Z-wave enabled dimmer switch, which is also wired to a fan toggle (a knob with 3 speed settings) in a 2-gang case. ...
2
votes
1answer
2k views

What can I use to manage the wires when replacing a looped ceiling rose light fixture with one that just has loose wires?

I'm changing a looped ceiling rose (LCR) light for a light that only has 3 connections, Live, Neutral and Earth. The looped ceiling rose has 3 different metal parts that the wires go into, like this: ...
14
votes
3answers
33k views

How should I rewire a miswired 3-way switch?

I have a 3 way switch that was wired incorrectly when the switches were replaced with a different color switch. Is there a methodical way for me to identify which wires represent which piece of the ...
6
votes
2answers
2k views

Why does using a dimmer with this ceiling fan and lights cause energy saving bulbs to flicker?

At a hotel I manage we purchased 34 ceiling fans with two integrated light sockets that operate on a dimmer all controlled by a remote control. Obviously using a dimmer with fluorescent bulbs won't ...
3
votes
1answer
1k 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", ...
2
votes
4answers
616 views

Can a ceiling light shade be replaced? Where can I find a replacement?

The shade of a ceiling light in my apartment cracked and fell on the floor. I started looking around on the web to see if I can buy a replacement but I'm having difficulty finding anything. Can this ...
1
vote
1answer
1k views

What recessed shower light cover is this?

We have a recessed shower light fixture and the cover is melted (thank you previous owners...). But I can't figure out what this thing is called or where I can get a replacement. I've attached a few ...
5
votes
5answers
1k views

How to make lights turn on one at a time?

So we've all seen this scene dozens of times in movies: a character flips a switch and lights turn on, one at time, down a long tunnel, or throughout a giant garage, or something like that. I'd like ...
0
votes
1answer
372 views

Need LED lighting suggestions for a hobby spray booth

I am writing the plans to build a small indoor hobby spray booth largely used for aerosol acrylics and acrylic airbrush but possibly some aerosol enamels at times. I am using a range hood which ...
1
vote
2answers
443 views

How to install 230V Light with Light-activated-resistor?

I am trying to set up light-activated-resistors that activate a light during dark hours. I have bought a ready Chinese thing that apparently contain a driver to change from AC to proper DC output for ...
5
votes
1answer
862 views

Parallel Fluorescent Wiring

I've got a few ceiling lighting 'boxes' that have one capacitor, two ballast, two starters, and two fluorescent lamps in each. Everything seems to be nicely wired up internally and I just need to ...
2
votes
1answer
186 views

Is it safe to replace a switch with a dimmer on halogen spots?

I live in Europe (so we're on 220V), and in the house we've got two halogen spots (on a transformer) on a plain switch. Is it safe to replace the switch with a dimmer (like these)? Do the transformer ...
1
vote
2answers
541 views

What's the best/easiest way to install and wire a wall light?

I would like to add a wall light to a wall, but I'm not sure the best way to go about doing this. I'm thinking it will be easiest to wire it up to a ceiling light (directly above proposed placement ...
6
votes
2answers
3k views

Why are my downlights constantly blowing?

I have a strip of 3 downlights in my living room, and I am constantly changing globes. Usually two of the globes blow in the first day or two of use, but the third globe will last much longer (at ...
1
vote
1answer
399 views

Fix intermittent connection problem in a monorail low voltage light fixture

I have a WAC low-voltage monorail (probably a SOLORAIL model) that is about 7 years old. The rail is about 12 ft long and has four fixtures attached. For the past 2 years, one of the fixtures has ...
1
vote
5answers
395 views

Light fixture inside knee-wall storage

We framed knee walls in our attic and want to use the areas behind them for storage. These areas are triangular in cross-section, about 3' high at the knee wall, and of course the ceiling hits the ...
3
votes
4answers
2k views

Where can I find or make a remote wireless light switch?

I have a light switch in my garage that controls lights in front of my home. The switch is located in a corner of the garage where a large shelf has been stored. It is very difficult to the switch. ...
1
vote
1answer
2k views

Electrical - How to power 12V LEDs from a 12V AC power supply

I have a 12V power supply that I am using to power some lights in my garden. I want to also power (in parallel) a set of 12V LED lights which (of course) require a 12V DC supply. Is there a simple ...
8
votes
6answers
16k views

Can I use an LED bulb in a 3-Way fixture?

Is it possible to use an LED bulb in a 3-way light fixture? Will all three work?
2
votes
1answer
435 views

Adding new lights to a switch

I have a single light controlled by a switch in my garage. It's really pathetic, so I decided to add some shop lights to the same switch. Upon opening up the light wiring box, I found not 1 but 4 ...
3
votes
1answer
125 views

How can I eliminate a light circuit?

Background: We live in a co-op. Each unit has it's own electrical box to shut off electricity. We have a corner under-cabinet light that is hardwired into the box I THINK (I'd have to tear up the ...
7
votes
5answers
4k views

Why is my new garage door going through lights so fast?

A little while ago our 14 year old garage door opener broke and we had the choice of retrofitting it with modern safety gear (required by code before they could even try to fix it) and then a ...
6
votes
1answer
494 views

What do I need to replace 4 light switches on the same circuit?

So we have a single light in our living room that can be turned on/off from four different switches at various entrances to the living room. We're currently replacing all the switches in our house as ...
5
votes
2answers
3k views

Is this 2 way light switch wired dangerously?

One of the switches in this 2 way setup has been acting up, I popped it off to replace it and it's wired like this: The only configuration I know of that is like this is the Carter system. Is this ...