Questions tagged [lighting]

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

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1answer
35 views

LED not working on some sockets

So I've gotten one of those wifibulbs that you can change the color through an app and all that. My problem was that it works with table lamps and standing lamps but it doesn't with the hanging ...
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2answers
16k views

What are the 4-wire cables use for?

I am trying to figure out what's the best way to get electricity from my garage to the garden. In the garage, I have the normal 230 V outlets/lamps, and the power gets there via 1.5 or 2.5 mm^2 (still ...
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1answer
766 views

Parallel circuit between switches for bathroom fan outlet wiring

While upgrading a fan switch to a timed switch I came across the wiring as pictured below. What purpose does the line daisy chaining these separate light and fan switches serve? Should I remove or ...
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1answer
53 views

Dim only certain lightbulbs on a circuit?

The builder built my house with multiple outdoor lights on a single circuit. Most of the lights are non-dimmable LED wall fixtures, but 2 of them are dimmable 6" LED baffles under an overhang. He ...
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1answer
37 views

Ceiling Fan Toggle Switch No Longer Used - Can I do anything else with it?

I have a ceiling fan with a light kit in my house that USED to be controlled by two toggle switches. The light and ceiling fan used to be controlled separately - you flip one switch to turn on the ...
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0answers
41 views

Light required at bottom of L-shaped stairs or is on landing only sufficient?

I have a L-shaped stairway with connecting landing going from my ground floor to my to-be-finished basement. There are 11 risers going down to the landing, then a 90-degree turn to the left, then 5 ...
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1answer
37 views

8 Foot T12 Flourescent ballast Requirements

I would like to understand how to evaluate a ballast and determine if it is suitable for a T12 8 foot flourescent bulb. What is the process / questions to ask? I have several known good working ...
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2answers
30 views

Adding a ceiling fan to circuit of light fixtures

I have 4 recessed 40 watt lights in the ceiling of the living room. They are all on the same switch (circuit). Can I add a ceiling fan to the room and splice the conductor into one of the 4 J boxes so ...
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1answer
68 views

Why doesn't new dimmer switch brighten completely?

I just replaced an old Pass and Seymour slide dimmer switch with a Lutron single pole switch with a side toggler. I'm using incandescent bulbs. The new switch dims the lights fine, but when I slide ...
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1answer
41 views

How do go from a single light/fan bathroom switch to a double paddle with no ground or hot wire?

The old switch had just 2 side wires, one for the fan and one for the light. There was no ground of hot. I'm installing a legrand radiant 2 in 1 paddle switch, and it's not working. I'm assuming that'...
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1answer
45 views

Pendant light cord too long

How would you shorten a pendant lamp's electrical cable? It's a USA home from the 1920s. The question has been asked before, but wrapping an electrical cable around a metal caribeaner seems dangerous....
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2answers
98 views

How to Change this Burned Out Light Bulb

Does anyone know how to change this strange light bulb in this “recessed” light fixture? I tried rotating the bulb counterclockwise but it doesn’t turn/unscrew. The bulb can be pushed up but I can’t ...
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2answers
145 views

Why do these LED light bulbs flicker when my remote control has turned them off?

I bought some LED lights for my candelabra in my master bedroom. They're E12 bulbs (I think, since they do fit). Incandescents worked fine before. When I put these LEDs in there, they flicker when ...
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2answers
128 views

How does the wiring in this light hookup?

I'm trying to install this light in my house, but I don't know how the wiring works for it. The light has a switch on the front of it that controls both bulbs and the switch has two black wires coming ...
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1answer
44 views

Connecting Lights to a 12/2 20 Amp Circuit

I am adding some new led can lights and I want to tap into a 12/2 20 amp circuit that is readily available. Would this be frowned upon because the can lights are daisy chained together via 14/2? Is ...
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3answers
868 views

Turn Lights On/Off Without Having to Hit 3 Switches in One Room

I just moved into a new place and I'm having an interesting lighting problem in one of my rooms. I've looked at a few things on the internet, but my lack of experience in this matter makes me feel ...
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2answers
4k views

Replacing 5 gang light switches that have 3 of them daisy chained together

I am trying to figure out how to wire these with a new style light switches (the basic 1 and 2-way switches from Home Depot). I've installed light switches before but this is confusing to me because ...
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1answer
18 views

ELV fixture + Maestro ELV dimmer does not dim, it simply switches

I just installed a Maestro ELV dimmer connected to a LED ELV-compatible fixture (WAC lighting). The fixture does not dim however, it is 100% on at all dimmer settings and shuts off when the dimmer ...
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1answer
774 views

Is this my light fixtures ground wire?

Is the exposed wire (the one in the photo without the screw) in the photo below my ligting fixtures ground wire and should it be connected to the screw shown? Edit: I added another photo: It looks ...
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6answers
123k views

Can I upgrade existing T12 fluorescent fixtures to T8 just by replacing the ballast and bulbs?

I was going to replace the fluorescent T12 fixtures around my house with T8 fixtures, but I noticed that the T8 bulbs seem to fit just fine into the T12 fixtures. It seems like I could save myself a ...
2
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1answer
63 views

light turns on when window ac unit is on

Why does the light in the same room as my window air conditioner unit dim ON when the air conditioner unit is on? this happens when the light switch is on the OFF position and only happens on one ...
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1answer
164 views

Troubleshooting: Why does my multimeter not work when a non-contact volt detector shows current?

I recently purchased a 1970's home, and the lights in one room don't work. Troubleshooting yields odd results, and I don't know where to check next. The room A fairly standard secondary room on the ...
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1answer
81 views

How can I “split” a ground wire

I am moving a friend of mine into their new apartment and we need to put up a new light fixture into the bathroom. The bathroom has nothing but a light... 'hole'. There are no wall sockets or anything,...
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1answer
55 views

Old mobile home wiring, outlets stopped working

Yesterday 3 of my outlets stopped working. Earlier this winter 2 got burnt and I haven't replaced them yet, but they're on the other side of the house. The 3 that stopped working are all around each ...
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1answer
57 views

Light works half the time

its strange cause the light in my bathroom ceiling works only half the time. No flickering. does NOT seem to be after long use (so NOT from thermal overload). Any ideas???
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1answer
78 views

Problem encountered with installing an exterior light

This will likely be an easy question for an electrician if one is reading because I cannot believe that I invented this issue but it requires a bit of set-up. I want to attach an exterior light to ...
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3answers
4k views

Why is a neutral wire needed for most 'smart' light switches?

Why do most smart light switches need a neutral wire?
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1answer
39 views

Failed at adding light kits to fans

I bought a house that has a lot of ceiling fans but none with lights. They're on dimmer switches as well. I decided to add light kits to two of the fans, a Hunter fan and a Hampton Bay fan (sorry don'...
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0answers
19 views

Auto electrical-LED still glowing-07 Jeep Liberty [migrated]

Ok so a little background, I had put the blue led 578 sylvanias only one, in the rear dome. It never illuminated when the car was off, then I get blue led light strips for the front doors. I wired 2 ...
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0answers
45 views

Dimmable range on one circuit is different to another. Why?

We've recently had some dimmable spotlights installed in our dining room. We have a setup where we have 3 lights off one switch, and 6 on a second switch. The lights were not dimming very much, maybe ...
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1answer
22 views

How to make switched Outlet control on Switched Outlet on opposite side of room

Are there any on the Shelf products that allow light switches on one side of the room to control unswitched receptacles on the other side of the room? I know that you could do this with smart switches,...
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1answer
63 views

very confused on the wiring for recessed lighting

Trying to retrofit LED can lights by bypassing the ballast. First light I retrofitted had 1 white, 1 black, and one green ground wire in the junction box, along with 2 red and 2 blue leading to the ...
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1answer
59 views

Wiring question for detached room

Would it be possible to power the detached room from the breaker box with two 30 amp breakers to the room with UF 10-2 wiring underground from the breaker box and then landed into the junction box at ...
2
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2answers
352 views

Can I change normal plug to a 15amp round pin plug?

I've got some festoons for a theatre show but the theatre is quite old and I was told they need to have 15amp round pin plugs. Can I just get some ordinary festoons and swap the plug into a 15amp ...
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2answers
82 views

Wiring new lights with 2 sets of wires

I'm installing 3 light pendants above my island. They are connected to a single pole light switch. I installed 2 of the 3 and noticed the junction boxes for both have 2 black, 2 white, and 2 ground ...
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1answer
34 views

Installed dimmer switch caused another switch to stop working

I installed a dimmer in my bedroom today and I just realised that the dimmer in my mom's room and in the corridor is not working anymore... Followed standard procedure : Breaker off, changed the old ...
1
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1answer
90 views

Probably “orphan” hot lead

So I decided to replace the ailing motion sensor light on the garage eave of my nearly 50 year old split-level. I have replaced motion sensor lights several times in my small barn, but all the ...
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4answers
6k views

How do I replace or repair a motion sensor PIR lens?

The PIR lens/translucent cover for my motion sensor for my outdoor light kit broke. Crumbled to the touch after about a year outside despite being made for outdoors. The sensor is now way too ...
3
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2answers
21k views

Can I add an occupancy sensor to a 3-way circuit?

If I replace one switch in a 3-way circuit with an occupancy switch, would this cause the occupancy switch to work in reverse (or not at all) if the regular switch was toggled? If so, would the best ...
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0answers
31 views

How do I wire three smart Wifi switches to toggle one another?

I have three Wifi switches that will be wired into the mains. Is it possible to have them act as a toggle for a set of lights? Ie, one switch turns on, they other two switches also turn on. Similarly, ...
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2answers
89 views

How to remove cables from the Philips ballast for fluorescent lamps?

I have a few HF-Performer III TL5 ballasts to to which I connected cables in past. Now I can't take them out http://www.lighting.philips.com/main/prof/lighting-electronics/fluorescent/fluorescent-...
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1answer
34 views

Can I use a standard on-off switch for lights on a magnetic low voltage transformer?

My closet has two magnetic low-voltage halogen fixtures and a regular halogen fixture wired to a pair of Lutron Maestro dimmers. The full-voltage halogen fixture has stopped working, and I measure ...
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1answer
63 views

is there maximum of live wires allowed in one conduit

I have a light switch panel that has multiple switches to control different lights for a big area. The panel is located not in the most comfortable place, therefore I am planning to move 6 switches to ...
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1answer
46 views

Simple light switch wiring isn’t working

I have power coming into box from black and white wires. When wiring black to light switch and white to white leading to fixture, the breaker goes every time. When wiring the two whites together ...
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2answers
38 views

Security light and smart bulbs

I have been trying to use smart bulbs in my dual head motion sensor fixture. I get them paired up with my wifi but they go off line rather quickly. I realized that I was pairing them in test mode on ...
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2answers
1k views

Changing Out a “Vintage” Dimmer Switch

First off ---- I am by no means an electrician. That said, I have a dimmer switch that needs to go..and be replaced by a new one. However, upon searching the internet and reading the instructions ...
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5answers
3k views

How can I dim landscape lights permanently?

I googled this question before posting here - I cant seem to find anyone with my exact needs, so I am asking here. I have a light switch connected to an outlet that is under my house. From here I ...
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1answer
31 views

what lamp “ceiling” support to use having only a plain 5cm diameter hole

I moved to a flat that has on the ceiling 5cm holes with no way to screw or a hook to hang up a lamp, just the cables coming out, like the pictures attached. What type of support could I use to ...
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1answer
40 views

What should I watch out for when installing lighting in my flat?

I've decided to add a layer at the ceiling and rig a bunch of spotlights there. The distance will be about 60 cm between them. Is there anything special to consider that a noob like me might miss? ...
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3answers
47 views

Kitchen lit with exclusively PAR20 spot lights, how can I reduce shadows?

At some point somebody installed 6 can lights that accept PAR20 bulbs in my kitchen. It appears that PAR20 bulbs are for spot lighting, which means focused lighting, which means shadows everywhere. ...