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For questions about switches, i.e. electrical devices used to manually open and close an electric circuit on a routine basis.

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How to wire switch for outside motion sensing light

I have an outside motion sensing light which uses a nitewatch MW-12 motion detector. There is an existing Intermatic Inc. SS7 switch on the inside of the house which is very convoluted to program (...
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1answer
31 views

Two switches what is it for and what does it mean?

I am not expertise as an Electrician here but I wanted to ask anyone here why do I have two switches here and what does that mean ? Can anyone point me a good website that can I read about it ? I ...
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1answer
45 views

Having trouble with a half hot switch

I am currently going through the process of replacing all the outdated cream colored outlets in my home with white ones. Recently I was doing the ones in the master bedroom, where there is no overhead ...
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1answer
47 views

How to Wire New 1 Way Switch From 2 Existing 3 Way Switches

I've done a lot of searching and can't seem to make sense of what to do in my situation. I had 2 existing 3 way switches that I've replaced with new 3 way dimmers and also added a third single pole (...
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1answer
37 views

Is it a good idea to separate switch for recess lights and chandelier in living room?

I am just asking in general. I have 8 recessed lights to install and 1 chandelier in the center. There will be plenty of light so I can turn on just the recessed light and/or chandelier. The ...
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3answers
51 views

Making sure old Honeywell Thermostat (round dial) doesn't turn on

I've had to cover my baseboard heater with painter's tape and duct tape because I keep getting click beetles strolling into my apartment after 6pm (I live in Michigan, and the temps are dropping). I ...
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0answers
21 views

Dim LED light when single pole switch is on or off

I am currently trying to replace a single pole switch. I have a black/red/white/bare wires in the electrical box. I assumed I could just place the black and red to the switch and attach then the ...
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2answers
294 views

Room Light Switch Malfunction

I have a standard, on/off light switch for the fan/light in a room. The past 2 days the light does not want to turn on when the switch is flipped "up" it wants to turn on when the switch is almost in ...
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2answers
49 views

Alt hot white and red wires, neutral black? How to connect motion detector switch

I'm replacing a standard switch with a Hubbell ws2000w. The light is on a 3 way, I'm only replacing one of the switches. The hubbell switch has a black (line), red (load), green (ground) and yellow (...
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1answer
58 views

Can I replace a plug with a switch?

I have a dilemma. In my kitchen, there has always been an unused electrical box in the ceiling. On the wall in my kitchen, there has always been a switch that doesn't control anything. I always ...
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1answer
53 views

Is using the second terminal hole on the back of a switch electrically the same as bundling it with other neutral wires?

First, a picture for reference: My question is: if I were to take the neutral wire coming from the light out of the wire nut bundle and instead put it into the second hole next to B, would it be ...
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1answer
26 views

Two light switches do not work

I recently changed a timer out in 3 switch "bank". In changing out the timer I accidently touched the Common from the timer to another light switch. It short circuited. Since that time the timer works ...
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1answer
32 views

Need help identifying function of odd looking switch/connection/??? mounted to 2nd story Fascia

This photo is zoomed in on a gang box that is mounted to the 2nd story exterior Fascia of my buddy's log cabin. We are trying to figure out what this is for as neither of us have seen this before. ...
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3answers
141 views

How do I connect the two cables entering a switch box for a light?

I removed the original light fixture from the side wall which was not connected to a light switch but had a button that turned the light on and off on the fixture itself. I took the original wire in ...
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2answers
71 views

Electrical wiring brown and black only

I want to change the classical electrical switches in my newly purchased house to smart switches and I am very confused in regard with the electrical wiring carried out by the home developer. The ...
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0answers
23 views

How to remove one of the three switches for my foyer light fixture

There are 3 light switches controlling my one foyer light fixture. I need to remove one of them (disconnect and cover with a solid faceplate), but keep the other two working. How do I do this?
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1answer
54 views

How to install GFCI combo switch and outlet using Romex and only 2 wires

I had a combo GFCI outlet and switch that went bad in my bathroom. The outlet worked even if the light wasn’t on. I bought a new GFCI combo switch and outlet. I had several electricians come to ...
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0answers
18 views

Dimmer dims the lights about once a second

I have a dimmer (Richmond/Zano GRID500) that, when turned up to full brightness, dims the lights on and off at a rate of about 1 Hz. Turning the brightness down just a bit makes the blinking stop. ...
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1answer
57 views

Possible to buy this switch for my lawn mower? [closed]

My corded electric lawn mower stopped working today. I'm pretty sure it is the switch pictured below since I can read voltage before the switch but not after. My lawn mower is old enough that I can'...
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0answers
25 views

Adding switch to 3 way circuit

I am adding a switch to an existing 3-way light and also to an existing 4 way light circuit. I pulled a 3 wire from the new switch into the attic where the three wire between the existing switches is. ...
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1answer
81 views

Can I add a light fixture (with a switch) to an existing switch/outlet circuit?

I'd like to drywall/finish the 'closet' under my stairs, but I'd like to add a light fixture with a switch inside the closet first. Inside this closet already, the back of an outlet box and the back ...
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0answers
74 views

Any ideas as to what this is?

This is in a house my daughter bought and no one knows what it is for. It is a 1930's house. Has a switch on it that when you flip it a red light flickers on for a second and nothing else seems to ...
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2answers
38 views

GFCI with a light switch off the load trips when switch is off

I'm at my troubleshooting limit, double checking all the grounds, caps are tight and no cross wires. If it tripped as soon as I turned the light switch on it would make sense but it's not until 15+min ...
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1answer
34 views

Choosing a Switch Based on Amperage

I will be replacing a light fixture that had a switch built in and was operated independently from any wall switch. Rather than limit myself to the very few light fixture options with switches built ...
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1answer
47 views

Light switch using only black wires - Incoming whites terminate together in box - New timer switch requires white neutral

I want to replace a simple single pole light switch with a timer switch, which requires red, black, white, and ground. The existing switch is in a triple box, where all three switches have only blacks ...
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36 views

2 black and 1 red wire on weird configuration

Hi guys, please help me out with this one. I’m replacing all my switches on my new home and couldn’t solve this one. It has two black wires coming from different cables put together on a pigtail, one ...
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2answers
60 views

Diagnosing Loss of Power in Bedroom

We have no power to our downstairs bedroom. We had the lights on, and a heater plugged in to the outlet. A family member turned off the heater, and unplugged it from the outlet. When she unplugged it, ...
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2answers
65 views

How can I switch my standard outlet to a GFCI?

I have a standard 2 receptacle outlet in my house. I am trying to switch it to a GFCI. I realize GFCI has load and a line side. There is also a switch in my room that is tied into this outlet (and ...
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0answers
37 views

I need to eliminate a garbage disposal switch.

We are remodeling our kitchen and currently our garbage disposal has an on/off switch on the backsplash if a raised bartop. we are dropping the bartop to counter level and installing an airswitch. I'm ...
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1answer
69 views

AC disconnect box flush with clapboard siding

I'm looking to install an AC disconnect box to the side of my house, however the clapboard siding wont allow it to sit flat. I plan to run romex through the punchout in the back and straight into the ...
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1answer
46 views

How can I continue a circuit from a light switch through a light using 12/3 cable?

I'm remodeling my master bedroom, and in the process I have to fix some shoddy electrical work from previous homeowners. It seems that they tapped into the existing circuit to add an exterior flood ...
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2answers
42 views

Is it any relevant the energy consuption of IOT and RF receiving home devices?

I am designing and building my own house. I am very interested in automatizing several devices as blinders and lights. In general, I am thinking in using Zigbee (Xiaomi and Aqara), RF and IR devices. ...
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1answer
44 views

Replacing two-switch, combo paddle light switch?

I thought this would be simple but of course I'm in over my head. We have a two button (paddle style) light switch in the bathroom. The top turns on a ceiling light and the bottom turns on a heat lamp ...
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1answer
21 views

In a one-way dimmer, can C and L1 terminals be swapped?

In a one-way dimmer switch, does it matter which way round the C and L1 terminals are connected (both electrically and in terms of UK wiring regs)? For context, I have a dimmer that's wired the ...
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1answer
39 views

Kitchen dimmer dims lights in adjacent room, but not always

I have a weird wiring fault. The kitchen and the dining room each have dimmer switches that work fine individually. However, if the dining room dimmer is on and within a certain range of positions (...
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1answer
76 views

Make outlet controlled by switch, constant hot

I have one outlet controlled by a switch. I would like to make it constantly hot. I also have a ceiling fan which is always hot and would like to have that controlled by the switch (later). For now,...
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30 views

5 way wiring question

I’m changing light switches to decora from toggle. I have 4 switches to one light fixture where 4 of the 3 switches have 5 wires and the 4th switch has 3. 1: 2 red 2 black 1 ground 2: 2 red 2 black ...
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3answers
41 views

How to reset the breaker on this smart dimmer light switch (switched receptacle)?

My condo came with these dimmer switches. You push once on up or down to fade the lights in or out fully, or press and hold to fade the lights slowly, releasing to set the light amount. I don't know ...
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1answer
57 views

Can I connect a Lutron Caseta switch to a half hot outlet?

I recently installed a Lutron Caseta (PD-6ans) switch that connects to a half-hot outlet. I noticed there is still a trickle of electricity coming out of the switch even when it's off. Enough to make ...
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2answers
83 views

Light switch position in the room

I'm trying to place a light switch in a sensible place in a new room being built as part of an extension. I know that according to the building regulations, the switch must be at least 300 mm from ...
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1answer
48 views

Black wire x3, white wire x3, ground wire x3.

I took out a ceiling fan in a bedroom. I didn't pay much attention to how it was wired up because I've replaced 5 ceiling lights in the house previously and they've been without issue. My issue on ...
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0answers
50 views

3-Way Switch won't turn on lights if dimmer is set to low

I just added 5 dimmable recessed lights to my living room. I'm certain it's powered correctly. Incoming power hits the 3-way dimmer switch. Both traveler wires head to the other 3 way switch (non-...
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0answers
19 views

Heater/Light/Vent switch question

I'm a homeowner. I had an electrician install the rough-in and I'm installing the outlets/switches/lights etc myself. Bathroom has a H/L/V and the electrician wired the switch so I could use 3 ...
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1answer
46 views

Ceiling light won't turn off

A living room ceiling light was working this morning. I wiped around the switch on wall with damp duster and now it won't turn off. As I am elderly and disabled I can't do anything other than try to ...
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0answers
17 views

How do I cap off the leg end of a 3 way with an occupational motion sensor switch at the supply end?

How do I cap off a leg end of a 3 way light switch after installing an occupation motion sensor on the the supply side?
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1answer
38 views

Wiring Question - one switch, two lights

Hopefully straightforward wiring question, but I can't seem to figure it out. In my kitchen we have two ceiling light fittings. One has white, black, & copper wires, the other had white, black, ...
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2answers
80 views

What to do with dimmer ground wire?

I am replacing an old dimmer switch with no ground wire with a dimmer switch that has a ground wire. The metal box in my wall is grounded, but there is no ground screw or anywhere else to attach the ...
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3answers
66 views

How bad is it for my A/C unit if I cut the power while it's working?

I have a rental apartment with two a/c units. I installed magnetic contacts on the windows of each room and a small module (a sonoff basic flashed with tasmota firmware) that shuts off the a/c relay (...
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0answers
18 views

Bathroom vanity works with some lights in some positions

I installed a Lutron Caseta on-off switch (non dimmer, will edit with model number if required) to control a bathroom vanity with 2 fixtures each with two lights. For a long time I found putting a (...
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2answers
52 views

Replacing 4 Way Switch

Trying to replace which has 2 white wires, 2 red wires, with , which is labeled with in and out holes. This is not correct, but I am not sure which way it should go or which wire is which! Any help ...