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

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2answers
518 views

How do I wire a 3 way light switch?

Two way light switching is common, but how do I setup a 3 way system so the light can be controlled from 3 places?
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2answers
2k views

What is the silicone-like coating on CREE LED light bulbs?

I recently bought some CREE LED bulbs, the kind pictured below, and while they are the same shape as glass incandescent bulbs, they seem to have some sort of cloudy and sticky rubber coating, as if ...
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3answers
7k views

Why do light bulbs all over the house burn out disconcertingly fast?

I've found a couple answers to this question. This generally revolve around the scenario where it's bulbs in a general area such as a fan. My issue is that light bulbs all over the house burn out ...
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2answers
865 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 ...
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1answer
9k views

Is it ok to wire light switches and lights with 12/2 cable?

It sounds like light switches and lights are usually wired with 14/2 cable. Is it okay to use 12/2 cable instead? Would I need special switches?
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3answers
3k views

Garage Door Opener Light loosens in socket. How to fix?

The light on my garage door opener keeps getting loose in the light socket, causing it to not work. Giving it a slight turn to tighten it fixes it temporarily, but it comes loose again within a week ...
5
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1answer
154 views

How do you replace a ballast?

We have fluorescent lights in our office and someone said that the ballast was bad. How can you replace a ballast?
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3answers
1k 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 ...
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1answer
2k 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 ...
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1answer
873 views

What should I consider regarding recessed lighting above kitchen sink?

I'm planning to replace the million year old florescent light (I think it was the first one ever made) above my kitchen sink with a couple recessed lights. Is there anything specific I should be ...
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1answer
4k 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. ...
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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 ...
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1answer
806 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 ...
5
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1answer
407 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 ...
5
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1answer
834 views

What is the best way to light a Lexan (Polycarbonate) sheet?

I've recently installed a Lexan 'whiteboard' in my garage which works as well as I'd hoped. I now want to use some type of lighting to light up the board in a useful/visual appealing way. Shown ...
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1answer
125 views

My mid 50's home has ballasts on incandescent lighting fixtures. Can I remove them?

For some reason unknown to me, my house that was built in the mid 1950s has "tungsten or ballasts" wired to each of the light fixtures on the main floor of the house. All of these light fixtures house ...
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2answers
2k 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 ...
5
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1answer
247 views

How do you mount fluorescent strip lights on drywall?

How do you correctly mount and wire fluorescent strip lights to drywall? I've seen these on drywalled walls/ceilings before but never looked at how they get installed, other than there doesn't ...
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3answers
913 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 ...
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4answers
12k views

Why won't my bathroom light fixture work?

Had a surprise this morning when I went to turn on my bathroom light and it didn't work. All the incandescent bulbs (4 of them) appear to be fine, and the fan which is on the switch beside the light ...
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2answers
756 views

Old light fixture box

I live in an older house (California) and the overhead light fixture boxes seem small. They unreceptive to the fixtures my wife has purchased from Ikea in that they have two holes for accepting ...
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3answers
362 views

Concerns about replacing a worn out light switch

Our home is about 3 years old. New construction. New parts. The main lights in the kitchen are a 4-way circuit (3 switches, + lights). Since we primarily come into the room from one side, one ...
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4answers
7k views

Can I safely ground a light fixture if the ceiling box has two hot and one neutral wire (no ground wire)

Checking for dupes, I saw this question, but the situation appears different as my box is metal, among other things. I'm fairly new to electrical projects, so bear with me. I recently installed a new ...
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2answers
492 views

Will this light fixture wiring pass inspection?

I helped my grandpa install a light fixture in his kitchen(he's in the process of remodeling) and noticed the wiring was a little weird. The wiring is going from the fixture to the switch which I ...
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4answers
29k views

How do I remove a flush mounted ceiling light fixture dome?

My bedroom has a very nice looking flush mounted ceiling light with a glass dome. However, all the bulbs have gone out and I cannot get the glass out to replace them. I'm 5'4" and standing on the ...
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4answers
424 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 ...
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3answers
7k 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 ...
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1answer
1k views

Is it generally safe to use a lower wattage bulb in a light fixture? (Specifically Halogen bulbs)

I just bought a light fixture that uses GU10 base Halogen bulbs and came with 50 watt bulbs that are way too bright for my purposes. The documentation lists the maximum wattage bulbs that can be used ...
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4answers
790 views

Customizing christmas light strings

Generally, when hanging my christmas lights, I run a line around the gutters on my second floor. From there, I drop down and put a string across the roof line on the front porch of my house. This ...
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1answer
225 views

Why does turning my kitchen light off turn on my outside light?

when I turn my fluorescent kitchen light off, my outside p.i.r security light comes on, why? the problem started when my father moved the p.i.r up above the door
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4answers
860 views

Can I use flexible LED strips to get better lighting in my kitchen?

My wife and I really hate how the lights in our kitchen are central and overhead, making it so that when we cut vegetables or work on the counters, our shadow blocks the light from being able to see ...
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2answers
3k views

What does that mean if my LED light bulb starts blinking when I turned it on?

I have an LED light bulb: Philips 60W incandescent equivalent I've owned it for about a year and have been very happy with it. This morning when I turned it on, it started blinking. Not flickering, ...
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1answer
2k 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 ...
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3answers
522 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 ...
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3answers
4k views

Can I safely power a three-prong electrical device from a light socket?

I have a covered lampholder (light socket) outside my house that I want to use to temporarily power a plug-in string of indoor/outdoor lights. Using CFLs, the total wattage of the string of lights ...
4
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3answers
2k views

Can I use a cord and plug to power a wall sconce?

I have a wall sconce that my wife really likes and wants installed on a brick wall. The sconce she purchased is designed to sit on top of a wall box that has been prewired. I don't want to install ...
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4answers
4k 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 ...
4
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1answer
4k views

How do I repair a canned light that's falling down?

I apologize if the term is not "can light", but I don't know what these types of lights are called. Anyhow, the "can" of one of our lights has fallen out from the drywall ceiling (just a bit), and ...
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2answers
3k views

How does a 2 way light switch work?

A two way light switch allows the light to be controlled from two locations, how does this work?
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3answers
226 views

How do safety labels on light fittings work with energy saving bulbs?

My lamp says "Max 40W or Energy Saving 8W". I have a halogen bulb which says "28W = 36W". Is it safe to use with the lamp? Why / why not? (Sorry if the answer is easily available on the web - I ...
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5answers
711 views

Why will 26 1.2W 220V LED lights not work with an 800W inverter?

We live off the grid and have just installed 26 220V 1.2W LED lights. We are using 220V as the batteries are some way from the house and and thick copper wire is expensive. Everything works on the ...
4
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2answers
868 views

How can I make tiki torch holders from PVC pipe or equivalent?

I have a plan to attach some short segments of PVC piping to a pool fence and use them as holders for tiki torches. These are the questions that I'm trying to find answers to: Can you suggest ...
4
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1answer
717 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 ...
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1answer
403 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 ...
4
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1answer
354 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 ...
4
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1answer
462 views

Why is this ceiling light fixture wired this way?

I'm trying to replace the hanging light below and I've gotten a little confused. Shouldn't the brown wire on the left be connected to the live (red) wires rather than the neutral? I understand that ...
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2answers
551 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 ...
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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. ...
4
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1answer
1k views

What are my lighting options for a pole-barn garage?

I just added on to my pole-barn garage, it now has 1500 square feet. There is a single flourecent (and door opener) lighting it currently. I would like to add some serious lighting as I work on my ...
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1answer
702 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 ...