Questions tagged [light]

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37
votes
5answers
25k views

If a light bulb is dead, does it still consume electricity if the switch is in ON?

It's been a week since a light bulb in the bathroom died. I'm wondering if the bulb is dead, does it still consume electricity if the switch is in ON? The light is completely dead, no light ...
11
votes
5answers
2k views

Can 2 light bulbs of 120V in series be used on 230V AC?

I'm considering to buy full spectrum incandescent bulbs in the US, to be used here in Europe. Here these types of bulbs are rare, since it's mostly LED these days. First I thought I needed to step ...
7
votes
4answers
5k views

Odd wiring setup in light switch

Hoping for some help after trying to get this setup to work. I’ve purchased a smart switch that requires two load wires, one neutral wire, and one ground wire. When I took out my existing light ...
6
votes
2answers
15k views

Why is a white electrical wire connected to 2 black wires?

I just opened my ceiling light to replace it with another mount. I see a white wire connected to 2 black wires, is that right? The middle switch controls this ceiling light.
6
votes
2answers
10k views

Can I use a regular E26 LED bulb as a replacement for a refrigerator light bulb?

The light bulb in my refrigerator burned out. It was a 40w incandescent appliance bulb like such: I'm wondering if there is any reason I can not put a 9watt A19 LED bulb such as this one (home depot ...
5
votes
6answers
31k views

Bathroom Light Fixture with no stud or box

I uninstalled my old bathroom light fixture to replace it with a nicer light but found that there is no stud and no wall box behind the sheet rock. The old light fixture is very light but the new one ...
5
votes
2answers
911 views

Can I change which switch controls which light?

Why are light switches so often wired in the wrong order. For example, on a single board, the switch closest to the hallway is for the lounge while the switch closest to the lounge turns on the ...
4
votes
7answers
8k views

I want light controlled by one switch, not two

I have two switches that control one light. I would like to close one of the switches, so that the light is only turned on and off by one of them. I removed the light switch from one of them (pictured)...
4
votes
1answer
2k views

Dimmer switches have no ground wire

I went to replace two kitchen dimmer switches with new toggle dimmers (the old dimmers work, this is only cosmetic). When I removed the face plate, I found the existing switches did not have a ground ...
4
votes
1answer
683 views

Can I connect a shared neutral to my Wemo smart light switch?

Both switches depicted in the diagram are controlled by the same breaker. The other two switches in the box which aren't labeled are controlled by two other breakers. Since I only want to replace ...
4
votes
1answer
690 views

making sense of a confusing light switch box

I'm trying to install a GE Z-Wave 12724 Smart Dimmer and my light switch box looks nothing like I imagine it's supposed to with wires properly identified. This wouldn't be the first improperly ...
3
votes
3answers
1k views

Is it ok that a hot wire connects to two separate switches?

I recently tried to replace my light switch with some smart switches but when I open it, the wiring was a bit odd to me. The top of wire of the first switch was piggy tailed/connected to the bottom ...
3
votes
3answers
793 views

Help identifying light switch

Two out of three light switches in our basement have stopped working. They’re a weird kind of rotary on/off switch that snaps into either position when rotated far enough. I’d like to get them ...
3
votes
2answers
99 views

Bathroom Exhaust Fan/Light wiring

I am replacing the exhaust fan in my bathroom, however it seems like there is an extra white wire on the fan. The wires came with “quick connectors” - do I remove these and tie the whites together? I ...
3
votes
1answer
1k views

How can I add lights and a switch downstream of a pull-chain fixture?

I have a challenging wiring question. I have power coming in to a pull chain light fixture(beginning-of-run). it needs to stay in its current position. I need to borrow power from it and add two ...
3
votes
2answers
243 views

Does a GFCI-protected bath light/fan unit need separate neutrals?

I hope there is an electrician on this forum who would know the answer to this. I am in the US and must have permits in my area and install per NEC. This is new construction. Installing a fan/light ...
3
votes
2answers
8k views

Light fixture still live when power turned off

I'm sorry if this is an ignorant question, but it is one that I cannot seem to figure out. When I was changing a light bulb in my ceiling pot light fixture, the power switch was turned off, and I ...
3
votes
2answers
2k views

Two GFCI on 20A bathroom circuit

Long time reader, first time poster... so I thought I had my bathroom wiring layout pretty well nailed but the guy in the electrical department at the local big box store made me rethink my entire ...
3
votes
3answers
256 views

Replacing a ceiling rose with a led light without using wire connectors

I have two ceiling rose lights in my corridor, I have managed to replace one without the need of any wiring connector. I achieved this because it had one Live, one neutral and one earth connector. So ...
3
votes
2answers
3k views

How deep should I embed a 30-foot light post?

I am installing a 30 Foot Round Straight Steel Light Pole, 5 Inch Diameter that I am purchasing from LightMart. I live in the outside of Las Vegas, NV near the mountains where sometimes its very windy,...
3
votes
2answers
274 views

how do I remove this old track light hanger from junction box?

I need some guidance on how to remove this late 1980's vintage track light mounting strap or hanger (brace?) from the 4" round junction box? It appears to have the two small threaded rods, that the ...
3
votes
3answers
564 views

Why can I not turn off my ceiling lights?

Three ceiling lights which worked for years, cannot be turned off. There are three switches, each of which controls all three lights (they are all on or all off). Is there a simple fix or must I ...
3
votes
1answer
459 views

What type of bulb fits in this slot type?

We have this light fixture outside and the the bulb has always been missing. It has two side slots and twists into place once fully inserted. My Google searching and hardware store searches have ...
3
votes
1answer
3k views

Shower light blinks immediately after vent fan is turned off

When I turn "off" my bathroom vent fan, my shower light turns on momentarily until the fan stops spinning. Both the light and the fan are wired in parallel on the same circuit. If I drop the shower ...
3
votes
1answer
213 views

How to cut opening in 12" pilaster block-columns for electrical box (porch light install)?

I have two 12"x12"pilaster block columns in my front porch with a poured lintel above and slab below. The pilasters are also poured solid with down-rods and rebar in footer. It is new construction. I ...
3
votes
1answer
110 views

Ontario condo light installation

My friend's condo has a junction box installed in the ceiling, but no light. Can we legally install a light here? Ontario's ESA page states that installing a light requires a permit, but does that ...
3
votes
0answers
70 views

Fried switches, light fixtures, or wire?

In an attempt to fix a wiring problem from five years ago, I made a huge error. Here's the scenario: Box 1: Has switch #1 in a four-way set up (it's a 3-way switch) and is where the power comes in. ...
2
votes
6answers
2k views

How to remove broken light protector/cover from inside oven?

I bought a 6 year old house, and the Previous Owners did basically zero maintenance. The oven is a Bosch underbench electric unit, and it looks like the glass cap/protector for the interior light has ...
2
votes
3answers
2k views

Can't get bathroom light cover off!

We have tried twisting both ways, pulling etc. No screws visiable. Sorry for awful photo, it's pitch black in the bathroom now!
2
votes
2answers
882 views

Wifi light switch needs neutral wire. Why? AND Can that wire be a skinny one?

What does the neutral wire do on a light switch that responds to wifi? My suspicion is that when the switch is in the off position, the electronics in the switch need to still be powered, so the ...
2
votes
1answer
70 views

Can someone explain if this wiring is correct

Yesterday when I was replacing the old ceiling light fixture with a new led disc light in the laundry room, I notice the old light was being wired like the above diagram (probably by previous owners). ...
2
votes
2answers
301 views

Existing light fixture is connected to 2 white wires, black wires are capped

I started to replace a light fixture in a closet and discovered that although 2 wires (each containing a black, white, and ground wire) come into the box, only the white wires are connected to the ...
2
votes
3answers
35 views

How much wattage to choose for LED light when replacing flourescent light with LED?

Suppose I have a circular 22W flourescent light at home and I want to replace it with LED of similar brightness. How much wattage should this LED have? Any rule of thumb as guidance? The salesman at ...
2
votes
2answers
99 views

Is there a lighting code restricting where lights can be placed?

I am having a new home built in New Brighton, MN, USA. We went over the plans on where we would like our lights, outlets, switches to be placed throughout the home. I asked them to place a light in a ...
2
votes
2answers
86 views

How to stop light fittings on chain stop rotating

I have light fittings mounted on a single chain. I want them to stay at a certain angle but they keep rotating and I can't get them to sit how I want. How can I go about stopping them rotate? Thanks
2
votes
1answer
93 views

Smart switch - Confused about current wiring

I want to replace my current light switch with a TP Link HS220 (smart switch with dimmer), but I’m confused about current wiring. I believe top wires go to the light and bottom is the source. Am I ...
2
votes
3answers
83 views

how do i remove this light fixture

Ok, I want to thank you for your time for reading my post. I need advice on how to remove this old candelier, I have already unscrew the two nails but the cover plate is still stuck to the ceiling, I ...
2
votes
1answer
157 views

How deep of concrete base do I need for a 35 foot

I have a 35 foot aluminum light pole that has 4 bolts holes in the base of the pole. I need to know how deep and wide should I pour the concrete into the ground. I'm not going to use the light pole ...
2
votes
1answer
178 views

Help with untangling an ancient wiring mess

So, let me preface this by saying I live in a 100 year old apartment building, and I can't tear out all the wiring and start over again. (As much as I'd like to.) In my living room, there existed a ...
2
votes
2answers
76 views

Can I touch the metal frame or do I need to ground it?

I live in Eu and I connected the blue - neutral and the brown - hot to the light jack. There is no third ground wire in the cable and i am afraid to touch the black steel frame - is it dangerous, ...
2
votes
3answers
75 views

Ceiling light wiring problems, please advise

I was changing my light fittings as they were old and yellow. My living room has 2 lights on the ceiling at opposite ends Controlled by a single on off switch. The first fitting was normal, red/live ...
2
votes
1answer
84 views

limit detection angle of a motion sensor light switch

Is there a way to limit the horizontal angle of a motion based indoor (occupancy) light switch to it doesn't pick up movement within, say 90 degree horizontal angle only
2
votes
1answer
1k views

Light switch arcing. Is this a fire hazard?

H, I am new here. I have a few questions about some electrical stuff. I live in a late 80s mobile home (87-89). It is a 2 bed one bath. The light switch in the bathroom is pretty worn out and gets a ...
2
votes
2answers
3k views

Ceiling Fan Lights not burning brightly

My Hampton Bay ceiling fan with light is about 8 years old. The light recently burned out, so replaced with with a 100 E11 halogen 100 watt bulb, resulting in very little light - about 50 watts. I ...
2
votes
1answer
370 views

3-1/4" Pancake Box? - Want to Update Old Ceiling Fixture

Previously, I asked another question regarding this ceiling fixture. I wanted some advice on how to go about attaching a fixture with more than one bulb and whether or not the insulation in the old ...
2
votes
1answer
357 views

Weird wiring configuration, neutral is live

I'm trying to install a wemo dimmable smart switch to replace a regular switch. The original wiring pictured below is unlike the other 8 switches I replaced in my home. It looks like it's hooked up to ...
2
votes
2answers
96 views

LED Bulbs not Starting Properly

Hi: I have some undercabinet light fixtures from IKEA that each take 3 small 12V G4 size bulbs. These bulbs are about 3/4" long x 1/4" wide with two plug-in prongs at the end. The original bulbs ...
2
votes
3answers
53 views

2 Switches + 2 Light Fixtures = a problem that needs help!

My husband and I recently decided to build a small pantry closet in our kitchen/dining room area. We decided that the pantry needed a small light. We changed our 1 gang box to a 2 gang box that ...
2
votes
1answer
36 views

How do I fill in this hole in my ceiling around pull light?

I recently had my bathroom done and a new light fitting was added. I have a hole left around it where the new light fitting is smaller than the previous one. How do I fill this in please?
2
votes
1answer
87 views

Double light switch issue

We have just wired a new 2 way, 2 gang, switch plate, which works, but for one side the 'on' position is up, and for the other it's down, which looks odd and is impractical. Is this a problem with the ...

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