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Questions tagged [lighting]

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

1
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1answer
37 views

Black wire crossed with white in box

I was helping my dad install Alumiconn pigtails in his home when I spotted something weird in a 1-gang outlet box: a black wire shorted with a white wire. Alarm bells went off in my head, so I spent ...
3
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1answer
20k 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 ...
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0answers
16 views

Ceiling fan gets voltage but lights do not turn on

I just connected a new ceiling fan with lights and the lights and fan won't turn on. I tried to hunt down the problem and used a non contact voltage detector and the voltage does flow to the wires on ...
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0answers
15 views

How do I know what LED bulbs are safe to use in fixtures that are part of construction?

In a recent question, I asked about different power ratings for LED and traditional incandescent light bulbs. In the accepted answer, the author explained that the different ratings are due to heat ...
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1answer
27 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
35 views

Ceiling light goes off itself

My ceiling light goes off itself after 10 mins or sometimes even after an hour, no loose connection from the ceiling fixture and the switch, nothing seems loose even breaker too. How can i find the ...
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1answer
29 views

Raising a porch light and doorbell?

A previous owner of our house installed a front deck over the top of the two concrete steps leading up to the front door. Unfortunately they did not raise the front porch light and doorbell. So many ...
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2answers
5k views

How do I wire my new ceiling light?

Old flat in Melbourne, Australia. When i took out old fitting it had a red wire in joined to red out, a brown and a black one. One terminal had nothing. Have bought new fitting but it seems to be ...
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2answers
45k views

What would cause my LED tape to flash when plugged in?

I just removed our new tape lighting and plugged it in. The brand name is Patriot Lighting 12 volt 16.4' flexible LED tape light. All it does is flash on and off. Any suggestions?
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1answer
63 views

There appears to be no ground - what do I do?

Hi! Trying to change a light switch in my house. I am Chicago within city limits. House is pretty old...it was “gut rehabbed” in the 80s but that doesn’t really mean anything. Actual building been ...
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3answers
7k views

Ceiling fan light dims

I have a Harbor Breeze ceiling fan and light kit. When I turn on the light, it starts out bright, but then in a second it dims. It doesn't turn off, it just dims. What could be causing this to ...
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1answer
19 views

G24Q CFL Line Voltage

I am working with a CFL that requires a ballast to fire the lamp. This lamp is a G24Q-2. The lamp has four pins on the base. I am assuming that two of the pins are for the ballast connection and the ...
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2answers
481 views

Help with lights flickering at weird regular interval

Lights flicker for ~17 seconds at 1 flash/sec, then normal for ~23 seconds. This cycle repeats itself continuously. The video starts with the 23 second "normal" period, followed by 17 seconds of ...
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1answer
11k views

Why do my ceiling fan lights come on bright then suddenly dim?

The home I bought has 3 bedrooms each with a ceiling fan and single switch. I think these are Hunters, they have a remote and require T4 bulbs. These are not on the same circuit. All 3 of these do ...
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1answer
33 views

Lumen output for a new room

I am building a game room and want very good lighting in at least the portion that will include the table tennis table. I would like 500 lux (46.5 foot candles) of light in this part of the room (at ...
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0answers
42 views

Also have 3 black, 3 white and 3 ground wires coming from ceiling but difference in current

I'm replacing a ceiling fan and found the same problem as Cathy Ashley with 3 each white, black and ground coming from ceiling. None were marked, and I couldn't remember how they were originally ...
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2answers
17k 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 ...
0
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1answer
13 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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2answers
23 views

Replacing light and fan set up to a plain light

I am replacing a Hunter ceiling fan with a regular hanging light. The ceiling fan had a knob for the fan and another for the lights with a dimmer switch. I took off the fan assembly and have a black ...
0
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1answer
47 views

Exterior mirror to bring more light to a window

I have a window that doesn't get very much light. Perpendicular to it there is a wall of the house, which gets more light. I would like to put a mirror on this wall to get more light on that window. ...
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2answers
26 views

Adding Recessed Lighting to bathroom circuit

I currently have a dedicated 15A breaker connected to 2 outlets (with GFCI) in a bathroom using 14/2. These 2 outlets are all that is connected to the breaker. I plan to add some recessed lighting ...
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1answer
21 views

Multiple motion sensor lights on one switch

I have a switch inside my house which feeds power to two fixtures on opposite corners outside. I installed LED motion sensor fixtures which have their own sensors and lights but they have never worked ...
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2answers
55 views

Why do some LED lights go dim while others go out completely?

When dimming LED lights with an LED dimmer, why do the LED lights at the end of a string of lights go off when LED lights at the beginning of a string of lights go dim but stay lit? This application ...
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1answer
38 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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3answers
119 views

How can I remove the glass domes from my light fixtures?

This is embarrassing to ask, but I can't figure out how to change the light bulbs in my house. The light fixtures are unusual and when I first bought my house I thought they were a selling point ...
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0answers
31 views

Can I connect this 3-way smart switch based on the current wiring?

I have a 3-way smart switch (and the required add-on switch) that I would like to install but the current wiring does not look how it needs to be based on the instructions. Based on the current wiring ...
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2answers
43 views

Conflicting wiring diagrams

I've spent the morning looking at YouTube videos and I feel I've gotten my wiring correct. I'm trying to add a rose / pendant to a room. As I took the original light off, I noticed there is only 1 ...
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5answers
23k views

Will it harm 12VDC LED light strips if I supply them with 12VAC instead?

I have strips of 12 volt DC LED's that can be cut into groups of three that I am using to light buildings on a model railroad and am happy with the results. I can vary the voltage from about 6 to 12 ...
0
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1answer
38 views

What is the best way to split a series of recessed ceiling lights to two switches?

I have a large basement with 10 can lights in the ceiling controlled by a single pull switch at the bottom of the stairs. I have framed in a bedroom that essentially cuts the area in half with 6 of ...
3
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1answer
504 views

Philips Hue dimmer switch detailed manual

I have bought a couple of Philips Hue white sets, including two dimmer switches, and started playing with them and various compatible apps. Normally, a dimmer indicates the command transfer by a green ...
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0answers
41 views

Under cabinet LED lighting on opposing sides of the kitchen - no wire in between

I would like to put LED lights under the cabinets of my kitchen, and have them controlled by wall switch. Here is the situation, I have cabinets on opposing sides of my kitchen (facing each other). ...
2
votes
2answers
78 views

Is my 4-way switch replacement job safe and up to code?

I recently replaced a 4-way light switch setup with a smart dimmer setup (GE Enbrighten 14294 and GE Add-On 12723) and wanted to check wanted to check that everything I did was safe and up to code (...
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1answer
21 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
15k views

Unexpected voltage with switch turned off

I am doing some work on a ceiling light and I notice that, even though the light-switch is off, my voltage tester shows voltage present. Answers to other questions (below) explain about phantom ...
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4answers
9k views

What is this copper-looking wire on my light fixture?

I had an electrician install two hanging pendants over a kitchen island. The install went well and the pendants work fine. However, after the install I've had an opportunity to look at the fixtures ...
1
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1answer
67 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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3answers
91 views

Commissioned to build a row of lights, want to make sure I'm doing it right/ no easier way [closed]

I'm building a set for a theater group and they want me to build a row of lights to go along with it. They want it to look as though a row of Edison lights, 5' high and sitting atop 1/2" black pipe, ...
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4answers
69 views

Control individual bulbs in a 6-can dimmer series

This is a complicated question, and maybe there is no way to do it, BUT... I currently have a 6-can series dimmer in my basement (home theater) aligned in 3 pairs. I would like to be able to control ...
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2answers
35 views

Can I use standard electrical cable from a waterproof junction box when replacing an exterior light

I am replacing a faulty exterior light with a waterproof (IP66) LED one with a PIR sensor. There is an existing conduit through the wall, but it is a thick stone wall of an outbuilding and the ...
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3answers
2k views

European Light Fixture in the US - Does it require a ground connection to light up

A bit of an oddball question. We bought, through a US distributor, a ceiling light fixture that was made in Europe (Netherlands). It is a metal fixture, connected to the ceiling via a metal chain, ...
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2answers
59 views

Removing a light switch cuts power to my entire room. Breaker not tripped. Smart Switch Install

I have installed smart switches before, but I moved into a new apartment recently. I have never had a problem before. I removed my old light switch and installed a new smart wifi light switch, and I ...
0
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1answer
28 views

Dimmer rotation span wider than the light intensity span

I had a guy install a dimmer for my kitchen's spotlight. It works as supposed to except for one small detail. The spots are totally off not at the end of the rotation of the controller but at about 40%...
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2answers
54 views

Is wiring a motion sensor switch with 18 AWG wire on a 20 amp circuit innapprorpiate?

I bought some motion sensor switch. They don't come with screw mounts, just 18 AWG wires that pop out. The load is 2 light fixtures maybe drawing 200 watts total. It's on a 15 amp circuit though. I ...
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0answers
32 views

Could I have broken my light fixture whilst changing the light bulb?

Ok, so not proficient in changing light bulbs... I have taken out the bulb before and put it back in so I know how to do it. I wanted to put in an adaptor so I could put in a colour changing bulb. I ...
2
votes
2answers
140 views

wiring of occupancy switch in 3-way situation (odd-looking instructions)

I'm looking to replace one of the two switches (wired in a standard 3-way configuration) which control an overhead light in a utility room, with an occupancy sensor switch. The room is small enough ...
1
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5answers
42k views

Why are my new switches tripping the circuit breaker sometimes?

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 ...
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3answers
97 views

Lights won’t work on dimmer

I just installed some recessed lighting in my basement and I can’t get the circuit to work properly. The installation was: feed to multiple lights to dimmer switch. I used 14/2 for everything except ...
1
vote
1answer
44 views

Is there a specific type of motion detector for use in long hallways?

I would like to select a single motion detector to drive lighting in a 70 foot hallway (straight corridor approximately 6 ft wide). A 70 by 6 foot rectangle is to be covered. If it is necessary to ...
3
votes
1answer
142 views

Wiring for Adding Switched Closet Light

I’m adding a light to my closet. It will be operated by a switch. Currently, I only have a receptacle next to the closet. The light switch will be directly above the current receptacle. Currently, ...
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1answer
28 views

Connect light with 3 wires to box with 6 wires

I'm trying to replace a couple pendant lights in my kitchen, I replaced the first one just fine but I'm not sure how to wire the second light. Both lights are controlled by one switch, and I've ...