Questions tagged [lighting]

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

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Can I turn my two switches which control one light into motion sensor switches?

I have a stairway light with a switch at the top and bottom. Often my hands are full bringing stuff up and down, so I’d like to install a motion activated smart switch at the top and bottom. Would ...
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1 answer
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Light fixture connected to 3-way switch without neutral

I've just discovered what looks like some crazy wiring. Our basement staircase has a light at the top of the stairs and a light at the bottom, as well as 3-way switches at both the top and the bottom. ...
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Any downside to using fan box as wall sconce box?

I went to Home Depot, Platt and All Phase yesterday and oddly no one has round boxes in stock. I’m using the round boxes for wall sconces. I ended up buying some overpriced fiber “fan boxes” which ...
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Ceiling lights flash bright when switched on, but then become very dim almost immediately

There are two ceiling lights in my lounge, each with three separate LED bulbs. A little while ago, I noticed that all three bulbs in one of the lights were much dimmer than usual, so tried replacing ...
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My light in bedroom isn’t working [closed]

So my light recently went out so obviously checked bulbs and then Bought a new led fixture which worked fine but then it stopped working as well so wiring it I notice the light will light up but only ...
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2 answers
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Looking for a particular type of smart light switch

I have 4 regular white light switches in a 4-gang box. I want to replace one switch with a Google Nest compatible smart light switch with the following goals: Be able to turn the front and back ...
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1 answer
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Why does one bulb flicker in a 2 bulb fixture?

I have a kitchen light fixture with 2 bulbs. One light works fine but the other bulb flickers, then goes out. I replaced the fixture with a new one just like the old one and it still does the same ...
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Smart 3-way dimmer switch cuts off at full brightness with incandescent bulbs - won't work with LED bulbs?

I installed TREATLIFE smart switches and dimmers throughout our entire home and there is only one 3-way dimmer switch that just won't seem to properly function. These smart switches are from Amazon (...
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LED dimming light fixtures

Can I wire two dimming led light fixtures to one dimmer? (0-10V control) My dimmer has 6 wires. AC in, AC out, and 0-10V out.
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5 votes
3 answers
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What's the best position for under-cupboard lighting?

When we had our kitchen done, the builders put in under-cupboard lighting. Without asking me, they put them right at the back of the cupboards, next to the wall... We are about to replace these ...
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1 answer
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How can I calculate how many lumens per foot an LED strip will emit?

I'm considering building some crown moulding lights with LED strips. I'd like to get light equivalent to a 30W spiral CFL bulb (package says 1800 lumens) plus a bit more, so let's say 2500 lumens. ...
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Living room light, bedroom and AC switch are not working. I checked both switch, both have power coming in also the neutral. Lost of neutral

It was a generator Well I checked the distribution board for power which was there in all the breakers. The neutral had light in it when tasted with a tester so I left to check the wire for the light, ...
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Some Ecosmart bulbs burn bright some do not

I live in a condo built in 1968. One building has 12 one bedrooms and two long halls with 7 lights in each hall. These lights have a glass cover so there is no air circulation to the bulb. We found ...
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My ceiling fan/light and my closet light in my master bedroom quit working but all the other lights/outlets work that are connected to that breaker

My ceiling light/fan in my master bedroom and master closet light quit working (both powered by separate light switches), but the rest of the outlets/lights work that are connected to the same breaker ...
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Can I run a flexible cord between a ceiling-mounted LED light and wall outlet?

I am planning to add a ceiling-mounted light in one of the corners of a bedroom. Unfortunately, the only power source I could find is from a wall outlet. I do not want to get into the trouble of ...
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1 vote
2 answers
71 views

Switch with weird voltages and wiring

I went over to my parents' house and am trying to fix a combination switch. The old switch stopped functioning recently and my Dad had removed it. I do not know how it was wired previously but my Dad ...
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3 votes
1 answer
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How can I evaluate solar panels to power night lights in areas that don't get direct light?

I have a creek crossing in the woods: This photo is in the early spring. During the summer it's a bit like a jungle. We've considered the idea of putting foot lights along the edges of the crossing. ...
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2 answers
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Ceiling fan light has "MAX 9w LED" sticker, but doesn't mention incandescent

I just purchased a new ceiling fan (Savoy House 52-831-5RV-SN). The light kit socket has a sticker that says "MAX 9w LED." There's no mention of the incandescent max. I'd like to use an 11w ...
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2 answers
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LED "Can" lights not working all over my house

We moved into our house after someone flipped it 5 years ago. The attached photos are from LED lights that are all over the house. Some work intermittently. Some not at all. I can't seem to remove it ...
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2 votes
1 answer
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What's the right way to bypass non-functional ballast in bathroom exhaust?

My home has Nutone 769RLN "B" unit exhaust fan with light on them (763RL/769RL "A" Unit). The lights contain ballasts and have a provision to use 13W CFL with a G24q-1 base. ...
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1 answer
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Trying to replace my vanity light

I removed the old vanity light & found 2 sets of wires were connected to it. I'm confused what the red wire does. Switched breaker off & found it turns off the bathroom lights & my kitchen ...
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1 vote
1 answer
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What could be causing the voltage drop in light sockets of my bedroom

I have a single circuit breaker for all lighting circuits in my apartment unit. However I'm having severe voltage drop in my bedroom's light sockets. I started suspecting about it ever since the ...
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Landscape lighting (24V) flickering

I have 5 24V DC landscape lights connected to a 150Wx2 transformer. All the lights were working fine and suddenly 3 of them (all connected to the same line on the transformer) started flickering. ...
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1 vote
2 answers
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How to replace a 2-Gang 1-Way Light Switch with a 2-Gang 2-Way

I'm in need of a little help on one of the light switches I'm trying to replace in my house, all the rest were a simple swap, this one's a little different. I'm in the UK. I've a 2-gang switch (one of ...
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Why is my LED light delayed in turning on?

I have various LED lights around the house, but only have issues with one lately. When it was brand new (a year ago) it worked perfectly. Recently the light, when switching on, has started delaying ...
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How do I change a ceiling fan from switched light, pull-chain fan to just all switch controlled?

Originally my son's fan was wired so that the 1 light switch he has in his room turned on the fan's light then the pull cord on the fan turned the fan on separately, even when the light switch was “...
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14 votes
1 answer
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What is the device attached to my recessed light junction box?

This is a recessed light I pulled out of my ceiling. There is a black cylindrical thing attached to the junction box and wired in series with the live wire to the bulb base. What is it? The junction ...
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Best way to wire up slim canless downlights in new construction and insulation?

I'm looking at installing thin canless LED lights in our soon to be finished garage. Our garage roof is truss roof and I would like to insulate it before drywalling. So my question has to do with the ...
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2 answers
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How do I get my third PIR yard light to work?

I already had 3 outdoor lights on my property, which I am changing to PIR sensor lights. Yesterday, I changed the two at the end of the run and all worked great. This morning I changed the last light ...
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1 vote
3 answers
109 views

How can I patch low-voltage, landscape lighting cable underground?

We have some underground wires for low voltage lighting in our front yard. Note they are just wires buried in the ground and not inserted in tubes. I want to remove some of the lights and need to ...
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4 answers
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How do I fix this 2-way switch wiring?

I'm in the UK. This is 240V mains wiring. I have two bulbs (D and E), one at the top and one at the bottom of some stairs. Controlling these bulbs are two sets of light switches (A, B, C). The switch ...
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2 votes
3 answers
142 views

Recessed LED lighting for under 7 foot ceiling

I have an old basement room with shallow ceilings and a terrible central ceiling mount "boob-light". I would like a nice array of recessed LEDs but cannot find guidance for my room's ...
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1 vote
1 answer
110 views

What can cause all LED bulbs / fixtures to rapidly flicker at the same rate?

Since last week, every LED bulb and fixture in my household is flickering at a similar rate. Incandescent and CFL are not affected. Here's what I've had done to try and diagnose the issue: Fuse panel ...
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7 votes
1 answer
1k views

What is this electrical device with two wire terminals mounted to the outside of a junction box?

I found this electrical device above some ceiling panels and not sure what it is. I'm planning on adding an additional light in this area and would like to at least be informed about what this device ...
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1 answer
51 views

Dimmable pool color changing LED lights

For whatever reason, color changing lights for pools are not dimmable (at least Pentair and Jandy brands - e.g. Microbrite Color) - the manual official states as such and warns about damage. Only the ...
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4 answers
90 views

Incandescent bulb into circuit to reduce LED flicker When Dimming

The official Lutron support page for flickering LED bulbs says the following. Is anyone able to explain why that would help stabilize the LED lights and if there's anything similar that can be ...
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1 vote
1 answer
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Replacement capacitor for fan lights

The lights on my fan stopped working, and changing the switch didn't help. When I try to turn it on, there's a little clicking sound that I believe is coming from the capacitor, and they flash on ...
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Torsion spring clips are too small for new LED torsion springs. Help!

I have purchased 32 LED lights to replace can lighting for my home. Upon trying to install, I realized the wire gauge of the new led torsion springs are thicker than the old can light wire. Because of ...
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2 votes
1 answer
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Old Wiring for new light fixture installation (no ground?)

Replacing and old light with a new light and when I took out the old light old I was concerned about the wiring and that it may not be safe since the previous lights grounding wire was not attached to ...
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1 answer
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Wiring a light with both a dimmer and a switch

Can someone explain to me how I would wire a single light with both a dimmer and a switch at different locations? I've added a diagram of how I need this to be but I can't get my head around it. I'm ...
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6 votes
3 answers
1k views

How much space do you need between windows for a king, jack and hardwired light?

We are remodeling our kitchen and putting new windows in. It will be a bank of 3 windows. We plan on doing a king & jack in between each window (to not have to do one very long header). I would ...
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Adding breaker for lighting outlet to CH type box

I have this cutler hammer box mounted in the attic. It currently has a double pole, type ch, 60a breaker for the hvac. It has a couple of extra slots. Is it possible to add a 20a breaker from it to ...
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0 votes
3 answers
63 views

Question about current draw and wire guage of fluorescent lights

I have eight fluorescent T8 bulbs rated with a 32-W nominal power consumption. What is the nominal (rms?) and peak (inrush) current that they would be expected to draw on their 120-V circuit? Which ...
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Bedroom light switch now controls the whole upstairs

I wanted to change a light in my bedroom and I think I've wired it up a bit wrong because the upstairs lights only turn on now when my bedroom light is on. Before they were all working fine. Any ...
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0 votes
1 answer
42 views

Replace dual switch fan (4 wire) with light (3 wire)

Can I just cap the extra red wire at the ceiling box and not bother to change the light switch? I know you are supposed to cap the extra wire at the switch but want to know what happens if I don't?
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1 vote
2 answers
140 views

Does it matter where power source is introduced in a three-way circuit?

I am in the process of replacing a single stairway light with a series of three lights (spaced apart). The previous setup included two switches and one light. One of the switches at the bottom of the ...
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1 vote
1 answer
38 views

connecting an intermatic timer switch and a dimmer switch on the same lights

I currently have an Intermatic timer switch on my lights, and I would like to add a dimmer switch next to the timer switch, because the lights are sometimes too bright, is it possible to have both a ...
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1 answer
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Is it safe to mix LED lamps with different wattages in the same fixture?

I have a lighting fixture with 3 lamps. The current ones are LED on 6W. One has burned out and I bought a replacement one at 35W. Is it OK to have 2 at 6W and 1 at 35W or should all the lamps be the ...
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0 votes
1 answer
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Why is my white wire hot?

I have (1) 12/3 wire coming in to the box for the dimmer switch, lights started blinking, 3 lights on this circuit and then they finally went out. When I checked the wires red, black and white, white ...
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2 votes
2 answers
92 views

How do I mount a pendant light with only a cord (no chain or metal tube)?

I would like to hang a glass pendant light to replace a light in my house. The box is good (I never had a problem with the old light and it looks fine on inspection) but I can't quite figure out how ...
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