All Questions

1
vote
1answer
55 views

Need help identifying a light switch

At work we have some light switches that look like this, and I've seen similar ones at school and at other commercial offices. This one is installed in Vancouver, Canada The lights also have a motion ...
0
votes
1answer
35 views

Installing 3 Eve Light Switches - one works, but two others just flash the lights every 6 seconds

I recently purchased three Eve Light Switches to smart-ify three sets of lights in my house. I installed one on a dining room chandelier (with 9 LED lights) and it works just fine. I tried ...
0
votes
1answer
93 views

Home Automation

I want to automate lightings and fans in my home. I am planning to use RPI and SSRs for that. My question is about powering them. Can I have a single 5V 5AMP or 10AMP unit for the entire house, or ...
3
votes
1answer
50 views

Manual and Remote Switches - 12VAC low-voltage landscape

I have a 110V/12VAC (USA) transformer for common landscape lighting. We have 3 "zones" that I'd like to turn on/off as desired, two for lights (all LED at the moment) and one for a pond. My plan for ...
0
votes
2answers
48 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. ...
1
vote
6answers
98 views

Do washing-machines provide a AC connector which is live when the machine is working?

I am considering to install an electrical valve between the water outlet and the pipe bringing this water to the washing machine (I have some traumatic memories from a pipe breaking and water flowing ...
0
votes
1answer
41 views

Temperature monitoring for storage hot water system (RP-2 connection)

My HWS has a secondary outlet connection I don't use, and I'd like to use it to install a thermal probe I can monitor. HWS RP ¾ / 20 temp probe? Does anyone know of a practical way to install a ...
1
vote
3answers
84 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 (...
8
votes
2answers
2k views

What type of outlet has a button and small hole in the middle?

I just had a home inspection done for a home we are planning to purchase. The home inspector saw an electrical outlet and didn't know what the part in the middle was for/what was special about it. ...
2
votes
2answers
48 views

How does one determine the current draw on a single circuit?

Is it possible to be able to measure a single 15A circuit at any point along the circuit to determine if there is a current draw on that circuit and how much it is? I'd like to figure out how to put ...
3
votes
2answers
116 views

Are these four add-on wiring techniques all up to code?

I'm fixing some wiring mistakes in my house and installing some GE Z-Wave Plus switches at the same time. Where there were 3- and 4-way switches I'm using the GE Add-On switch to add additional ...
2
votes
2answers
168 views

Replacing light switches— can all live / all neutral wires be grouped? Is conduit a valid ground?

I'm replacing two switches (which control separate lights) in a two-gang box with two smart switches (TP-Link HS200). To make my questions as clear as possible, I've sketched the current state as well ...
0
votes
1answer
1k views

Sonoff with a traditional Dimmer Switch

Please excuse the crude drawing but would this work. In the UK so Brown is live, Blue is Neutral and Grey is Switched live. If left out the Earth from the drawing to simplify things. I know control ...
0
votes
1answer
50 views

Lights that turn on when others are ON [closed]

I'm looking to buy/make some lights that turn on when they detect light. My wife and I live in an apartment that's small and poorly-lit. We can't install permanent light fixtures, and all the lamps we'...
0
votes
3answers
73 views

Relay before or after power transformer

For my project I plan on controlling an off-the-shelve LED lamp using a relay board which is connected to my Raspberry Pi. As can be seen from the Lamp image below, there is a power converter which ...
2
votes
1answer
519 views

Trouble wiring a Leviton DZ15S (originally a single pole with two black?)

I'm trying to replace an old single pole toggle switch with a new Leviton DZ15S. Here's the issue... The new Leviton requires 3 connections to function. Black, red, and white. Please see the ...
2
votes
1answer
817 views

Can I use a 3 speed wall switch with a ceiling fan that comes with a remote?

I'm not too familiar with fan motors/configurations. I'd like to install a fan and use a Z Wave 3 speed switch to control the fan speed, and a Z Wave dimmer switch to control the lighting in the fan. ...
3
votes
1answer
138 views

Need help with 3-way wiring (diagram included)

Could really use some help. I'm putting in some GE Z-Wave plus switches in my new house and have come across my first 3-way switch. I think the far left Romex in box #1 is the cable that goes between ...
0
votes
1answer
133 views

GE smart switch neutral power requirement

How many neutral watts are required for most smart switches? I'm unable to get any juice from unit even though there is a neutral wire. I.e. https://www.amazon.com/gp/aw/d/B0035YRCR2/ref=...
0
votes
1answer
75 views

Remote control with offline functionality | Home Automation [closed]

I would like to control a particular light with a normal mechanical switch as well as using a mobile app. The use case is as follows:- If the mechanical switch is ON, I want the light to glow and it's ...
1
vote
4answers
1k views

What are the risks of sending low-current neutral through the ground wire?

I have an existing switch that controls an outlet. I'd like to replace it with a smart-home switch, which requires a neutral wire to power the switch itself. However, there is no neutral wire at the ...
0
votes
1answer
113 views

Energy Monitor Install load center phase connection

In an attempt to ensure accurate electrical load center phase connection for a neurio home energy monitor, the installation video around 2:40 mentions connecting to the red wire to another Phase "let'...
1
vote
2answers
66 views

Home energy monitor install

Is a Neurio energy monitor compatible with a manufactured housing load center? The load center, image below, doesn't seem to be officially supported however the approach seems sufficient. This kind ...
0
votes
1answer
75 views

Setting up an automatic camera system

I would like to set up a camera system in my new apartment. The setup i would like would be 2 camera's that would record for 10 minutes whenever the door opens. It be nice if i could record the video ...
0
votes
1answer
177 views

Replace Switch that's currently wired Supply -> Fixture -> Switch with an Insteon Switch?

I'm trying to replace an electrical switch (controlling a whole house fan in attic that should only run when the downstairs windows are open to not suck air from the chimney) with an Insteon switch ...
0
votes
1answer
443 views

house hold wiring for two way switch

how to install a wiring where I can have two switches the two switches will turn on a bulb I have to turn on the light if any of the switch is on and I have to turn off the light if any of the switch ...
3
votes
2answers
436 views

What is the proper way to power an in wall monitor for a new construction home?

A wall has been framed out to mount a touch screen computer monitor. Once the monitor is installed it will be used as a home automation hub. What is the proper way to supply power to this monitor? ...
0
votes
1answer
120 views

Confused by the circuitry in the switch box for my basement lights (installing 1st smart switch)

I've spent the last couple hours trying to install a smart switch in my new-construction home (finished last month in Chicago) and I'm a bit confused. Pictures here, going to focus on the top picture. ...
2
votes
2answers
7k views

How do I identify six light switch wires with a multimeter?

I need help identifying wires to know if I have what I need to install some new light switches that require line, load, neutral and ground connections. I'm hoping to do this with a multimeter, but I ...
1
vote
2answers
1k views

Can I safely disable a three way fan switch to use for providing ground to remote three way box?

I have a bit of a unique electrical situation that I am dealing with. My house was wired with several three way lighting boxes that included a switch for a fan which is not used. I am working on ...
2
votes
2answers
2k views

How can I connect a zwave switch that requires a neutral to 3 way box?

I have a 3 way switch that looks like it's wired like the illustration below. I would like to remove the switch shown on the left and replace the switch shown on the right with a Zwave switch that ...
1
vote
1answer
94 views

Automation of electric machines [closed]

I have, of course, a lot of electric machines: Computer, printer, humidifier, etc. But I want to make them "smart" by automatizing when the humidifier will turn on everyday. The original humidifier ...
1
vote
1answer
2k views

Wiring a Z-Wave 3-way auxiliary with neutral from other switch? (w/ diagrams!)

I found my question difficult to phrase, so I mocked the wiring diagram up in Photoshop. I have a 3-way switch setup like so: I am going to upgrade this to a Z-Wave enabled pair of 3-way switches ...
1
vote
1answer
71 views

What is suitable method for controlling lighting based on pause/play? [closed]

I am in the process of turning my basement into a Home Theater. I have seen some people with home theaters where when they pause a movie it dims the lights up and I would love to use this feature. ...
1
vote
2answers
217 views

How do I properly size a 120v inline power relay to control a small air conditioner with my home automation system?

I have a 5,000 BTU, 115 volt, 4.8 amp, window-unit air conditioner I'd like to control from my home automation system. I think easiest thing to do would be to plug the unit into an inline rely module ...
1
vote
5answers
4k views

How to find a motion sensing light switch that turns lights on AND off when motion is detected?

Location: USA. The light switch to our laundry room is in the hallway outside the door. I replaced the standard light switch with a motion sensing switch (Leviton ODS10-ID). When we enter the room, ...
1
vote
1answer
1k views

Can I convert a single circuit with multiple lights/1 switch to control 1 light/switch

I have 3 recessed lights in my house that are controlled from a single switch. Actually they are controlled from 3 places with 3-way switches, so it's not really working all that well. What I would ...
2
votes
3answers
7k views

Home Light Automation - Emulate 4 way switch with relay

I've been thinking of ways to do home automation that is somewhat future proof (hardwired); and the best idea I have is to use relays for lights on a 3 way switch circuit. Put in a dual pole dual ...
1
vote
4answers
12k views

Moving a light switch without moving it

I live in a rented house, and there is a lightswitch which is unconventionally not next to the door in one of the rooms. Is there a way to move the lightswitch so it's next to the door. I am currently ...
0
votes
2answers
3k views

Can I wire a Bathroom Fan to two Switches in Parallel?

I want to control a bathroom exhaust fan with a wall timer, and a 24 vac relay. Basically both switches would be wired in parallel. Is this safe to do?
0
votes
1answer
5k views

Replacing a standard 2-gang light switch with an electric dimmer switch

I'm looking for a some assistance in fitting a new electric dimmer light switch. I'm in the UK if that makes a difference. I am trying to replace my existing two-gang light switch with a LightWaveRF ...
2
votes
2answers
264 views

Do z-wave products suffer any limitations in the UK because of radio limits?

I'm looking into home automation and I think I'm settling on z-wave as my choice. however, I was slightly worried by this comment on wikipedia; In Europe, the 868 MHz band has a 1% duty cycle ...
0
votes
2answers
1k views

Any way to monitor load on a power outlet and receive notifications of usage? [closed]

My sump pump float sometimes sticks. This is an issue because the pump can easily run dry and burn out, especially if we are away for an extended period of time. Ideally I'm looking for something ...
0
votes
1answer
669 views

How to replace a single light switch with an electric dimmer switch

This is a very similar question to one I asked yesterday, which Ryan Walkowski kindly helped out with. This time, I'm looking for a some assistance in fitting a a single electric dimmer unit. I am ...
11
votes
1answer
8k views

How to replace a standard 2-gang light switch with an electric dimmer switch

I'm looking for a some assistance in fitting a new electric dimmer light switch. I'm in the UK if that makes a difference. I am trying to replace my existing two-gang light switch with a LightWaveRF ...
3
votes
1answer
4k views

What debuzzing coil should I use to get rid of lamp hum?

I have two lamps which use these big 300W bulbs that I am dimming with Insteon LampLink modules. They buzz quite a bit, and I previously asked a question about reducing the buzz which led me to ...
0
votes
2answers
438 views

How do I change an AC outlet into a switched outlet using wireless technology?

I have an outlet that's live, and I want to make it switched without having to get an electrician. Suggestions?
4
votes
4answers
8k views

How can I replace a two way switch with a ZW4001 Z Wave enabled light switch?

I am trying to replace a single switch connected to a single light bulb with a Z Wave enabled switch, model ZW4001Z; a link to the manual for the switch is at the bottom. There is a wiring diagram on ...
3
votes
4answers
19k views

How can I control a circuit breaker remotely?

We have a house in the country that largely sits abandoned. We have a large family, and we like to go visit for the weekends. When we leave the house, we turn off the circuit breakers to prevent high ...
4
votes
2answers
382 views

Alternatives to signal on power for home automation systems (such as UBP) - low-voltage circuits, wireless…?

I am kind of averse to using signal on power for home automation systems such as UBP as this seems to be shared with the outside world (I read somewhere that the signal can travel as far as the ...