Questions tagged [low-voltage]
Electrical systems with voltages significantly lower than mains wiring. Examples include ethernet, telephone, cable tv, and alarm systems.
186
questions
1
vote
1
answer
55
views
Is running Cat 6e, Coaxial, and Romex through the same framing penetration a safety hazard? [duplicate]
We had a house built about a couple of years ago and the electrician ran the cat6e, romex, and coaxial cable in the same hole in the floor joists. The hold is about a 2.5" hole with multiple ...
- 31
1
vote
2
answers
25
views
How to wire 2" recessed LED Downlights with inline AC to DC LED driver [closed]
I recently purchased a four-pack of 2" recessed led accent downlights to install in a gyp board ceiling. The lights arrived and have a 6" cord from them which connects to a LED driver. A ...
1
vote
2
answers
120
views
The legal and best way to permanently wire LED's to shelves?
I would argue that this guy does one of the best jobs on custom floating shelves:
https://www.youtube.com/watch?v=wQ_CKmejH_s
The TL;DR is that he routes channels in the shelves and puts USB-powered ...
- 111
2
votes
1
answer
262
views
low voltage transformer won't turn off completely?
I recently purchased a used Hadco Lighting 12v 300W transformer (model TC354_15) at a thrift store.
This model has 2 common lines that are controlled by 2 corresponding switches in the box. I tested ...
- 105
0
votes
3
answers
62
views
Supplement battery charging (solar) with 15v landscape lighting input?
I have a 150w low voltage (DC) landscape lighting system (15v) but I'm only using maybe 50w of it. I also have a 400w solar array connected to a 40a MPPT controller that keeps a 50ah LiFePO4 battery ...
- 109
0
votes
1
answer
98
views
What causes sometimes low voltage & sometimes high voltage on different circuits in my house? And I have to run 2 space heaters for either to work [duplicate]
I’ve had issues with flickering lights for a while & over the summer we added a window unit to my sons room & you could barely tell it was running. I used my meter to check several outlets ...
0
votes
2
answers
171
views
Random brief voltage drops throughout the day impacting half the house
For the past three months we've been experiencing lights flickering and certain electronics resetting due to voltage dips down to as low as 70 volts. This happens completely randomly regardless of new ...
- 51
0
votes
1
answer
122
views
Can I use low voltage twisted doorbell wire in wall?
I am running new bell wire and the low voltage 20/2 bell wire I got is twisted with no sheathing (https://www.homedepot.com/p/Southwire-100-ft-20-2-Twisted-CU-Bell-Wire-56750023/205717549)
I can't ...
- 412
0
votes
2
answers
122
views
Safe to run LED strip extension wire under an oven?
I'm installing LED strip lights around the base of our kitchen cabinets, but there's an oven right in the middle of it. Is it safe to run extension wire (like this) under the oven?
If it matters, the ...
- 131
0
votes
1
answer
50
views
How do you connect to one of the 5 wires of a low voltage cable in the middle of the run (the cable goes farther than the connection point)
In the below picture, A is a irrigation controller. BCD are inline valves with D being the main valve installed on the water tap and B and C being the manifold valves.
I have a 5 wire cable that runs ...
- 3,227
0
votes
2
answers
134
views
Does Power-Over-Ethernet help the DIYer?
Power-Over-Ethernet (POE) has come up in several answers recently as potential solutions to problems involving wiring and getting power to strange places.
How does POE help the DIY person in achieving ...
- 9,015
1
vote
1
answer
178
views
How do I run ethernet [or other low-voltage wire] at an exterior wall?
Is there anything different about adding an outlet to an exterior wall?
I've added several ethernet jacks to interior walls (drywall) using low-voltage rings & keystone plates, but never on an ...
- 833
0
votes
2
answers
981
views
How can I securely power a USB camera from an outdoor outlet?
I would like to power an outdoor USB camera from an outdoor outlet. We have a vacation rental so I don't want to plug anything in, I want it to be permanent. I have an outlet about 6 feet from the ...
- 149
0
votes
1
answer
170
views
material for low voltage conduit on FACE of wall, basement to attic
I'm looking to run CAT5E/CAT6A cabling from my basement where I have a network rack to the attic above my 2nd floor. After a lot of investigation there was no way I was going to feed the cabling ...
- 3
4
votes
2
answers
1k
views
How to protect outdoor low-voltage cable over concrete walkway?
I'm considering Philips Hue low-voltage outdoor lighting for my front lawn. The challenge is the outdoor 120V outlet and the yard / landscaping is separated by a concrete walkway. How do I run the ...
- 141
3
votes
1
answer
1k
views
Can I replace a 115 V doorbell transformer with a 120 V doorbell transformer?
update I replaced the transformer and 1 single doorbell with the ring video doorbell wired. Everything is functioning as it should. The existing chime from the standard doorbell is slightly louder ...
- 31
1
vote
1
answer
91
views
Identifying thin plastic sheets between interior walls
I needed to run a cat6 cable through an interior wall between the living room and the office. Upon removing the drywall to insert a low voltage bracket, I realized there was a thin, opaque, plastic ...
1
vote
2
answers
287
views
CAT5 port suddenly stopped working but all connections are good
I have a CAT5 jack that was working fine and seemingly stopped transmitting data all of a sudden. I use this for my TV's internet connection.
My setup is pretty basic and straight forward. I have a ...
- 485
-1
votes
2
answers
80
views
How To Check Electrical Current
I believe the PSU in one of my gaming consoles is shot. I was attempting to test the current using Woods Analog Multimeter
Will this tool do the job and tell me if the voltage from the PSU is within ...
- 543
7
votes
3
answers
2k
views
Can I mix AV and Power cables in the same raceway?
I've read that you cannot mix power cables and low-voltage cables (in my case: HDMI, CAT6, USB) in the same raceway (that plastic conduit that stick to the outside of the wall)
But in every home I've ...
- 483
4
votes
3
answers
94
views
Small-Scale Low Voltage Lighting Separated by 175'
I am looking to install a new, all-LED low voltage lighting system. Basically I want to illuminate the 2 edges of my lot with 100' of 12V up lights and a few path lights. It's a pretty small system, ...
- 273
0
votes
1
answer
94
views
Any prescribed zone or similar concept for extra-low voltage/DC and data concealed wiring?
Is there any concept of 'prescribed zones' (née 'safe zones') - or interaction with those for concealed mains wiring - for other concealed cables?
- 155
0
votes
2
answers
81
views
Metered Electricity
I live in a 20 yr old motorhome that is parked in an RV park near Roseville Ca. The park has 90 separate sites each side has its own electrical tower to plug into. Each tower has a 50amp,30amp,and a ...
-1
votes
1
answer
154
views
T-Tap Connector for 12/2 Low Voltage Landscape Lighting
I'm looking to install wiring for some outdoor post lights. More specifically, I will have an approximately 150' run of low voltage wiring with 9 evenly spaced T intersections. Each T will have an ...
- 99
2
votes
1
answer
988
views
Is there a good way to get 12v into an electrical box?
I have a bit of an odd situation. I have a standard outlet (120v, 15 amps, just a normal United States receptacle). I'd like to run some raceway conduit up from the outlet*. At the other end of the ...
- 165
2
votes
2
answers
96
views
Interfacing line and low voltages for automatic receptacle control
I would like to build some electronics to automatically and individually control two receptacles on a 20A circuit.
Is the following a good plan?
Fish 12/4 NM through the wall from the receptacles' ...
- 377
0
votes
2
answers
249
views
Install old work low voltage bracket in too big hole
I'm trying to repair a low voltage outlet that was butchered by our cable installer. I was hoping I could reuse the bracket he had used by the "wings" were on serrated or corrugated tabs ...
1
vote
1
answer
486
views
Should I change how this switch is wired for a low voltage light?
In my kitchen I have these three switches. From left to right they are:
Cabinet accent lights
Under-cabinet task lights
Garbage disposal
The middle switch no longer functions properly (it looks like ...
- 2,546
1
vote
1
answer
316
views
What kind of conduit for cable riser raceway?
Some background: I asked a longer version of this question here.
I recently bought a late 70s, two story home. I am working on (i.e. planning and budgeting) a project to wire the home for ethernet, ...
- 164
2
votes
4
answers
399
views
Computer I/O Button on a Wall Plate [closed]
I am looking to put a computer monitor in my kitchen and the actual computer in my basement. I want to install a wall plate in my kitchen with a button that can turn the computer on and off.
...
- 162
2
votes
2
answers
283
views
Finding unused Cat5 cables
I recently moved into a house built in 2015, and I’ve been trying to see how practical it is to wire parts of the house for Ethernet.
In the basement, there’s a bundle of 9 Cat5e cables. 6 of them ...
- 183
0
votes
1
answer
111
views
Resurfacing a raised deck; want waterproofing (dexerdry); need gutters? Also: comment on plan?
Thanks for reading. I'm starting the planning stage of a raised deck (without space underneath) overhaul/resurfacing. I have one concrete question regarding waterproofing but would also appreciate ...
- 317
5
votes
2
answers
3k
views
Landscape lighting wire rough in for future, what wire, how deep? Other things to consider?
I am currently working on my landscaping and I have a concrete pour planned for the front paths.
I'd like to rough in landscape wire for future lighting. What kind of wire should I use, how deep ...
- 11.9k
0
votes
0
answers
55
views
Problem with AC low voltage
My AC won’t turn on and the thermostat is not functioning properly. Voltage reading at the thermostat fluctuates between 7-9 volts. No low voltage at the contacter. I am still getting 240 at the ...
- 1
0
votes
1
answer
155
views
Is it possible to make an "energy harvester" that drains old batteries? [closed]
I am currently looking at my stack of old batteries at home, did some measurements and found that most of them contain at least some energy left. I was then thinking. What is I could make a device ...
- 171
0
votes
0
answers
710
views
Low-voltage LED light strip through wall to outlet - Allowed?
I am installing some cabinets in my basement media room. I'd like to use a Philips Hue Lightstrip for accent lighting. The other side of the wall on which the cabinets are mounted is unfinished - it's ...
- 344
1
vote
2
answers
2k
views
Can I control a heat pump and boiler heat with one thermostat?
I want to swap out the old air handler for a new one and the old straight AC for a heat pump. I will not be putting a heat package in; I will use my boiler as the emergency heat.
The boiler is in the ...
- 11
2
votes
2
answers
2k
views
Wiring low voltage doorbell wire through exterior wall and studs
I currently have a battery powered doorbell that I would like to replace with a hardwired doorbell. Problem is, my house is not wired for a doorbell.
My solution is to replace the outlet in the ...
- 31
0
votes
2
answers
48
views
LED lighting fixture driver busted - what can I replace it with?
A LED lighting fixture in my apartment (in Israel/Palestine) started flickering for a while before coming on, then went bust. I suspect it's the driver/power supply rather than the LEDs themselves, ...
- 2,517
0
votes
2
answers
614
views
How to connect 14 guage speaker wire to LED light strips?
I am installing 12v undercabinet led light strips in my kitchen. I have in-wall 14-2 speaker wire and I'd like to use this to connect a 4 short runs (8 ft total) of LED light strips. Most of the ...
- 3
3
votes
1
answer
752
views
Is it permissible to cover over an ethernet (or other low voltage) wall plate
I am building a built-in bookshelf that covers a good portion of a wall. I know it is not to code to bury an electrical junction box, so I moved an outlet accordingly. I also have an ethernet data ...
- 1,340
0
votes
0
answers
38
views
What relay is needed?
I would like to use a thermopile to activate a 110 relay to turn on a fan.
What relay would be needed?
Thanks, Michael.
0
votes
3
answers
1k
views
How to control 120V power outlet with low voltage
I would like to power a 120V attic fan every time my AC comes on. The low voltage wire connecting the thermostat with the compressor (to control the compressor) runs through the attic (as the ...
- 6,825
0
votes
1
answer
249
views
Voltage live to neutral low
I'm in the uk on 240V. I've got an extractor fan that isn't working. What I find is that at the fan and the switch that operates it, live to neutral is 160V. Ground to live reads 240 and ground to ...
- 121
0
votes
0
answers
16
views
One of my IC1004-WH Legrand ON-Q Inquire 1000 intercoms isn't working, is it possible a POE injector would help?
One of my IC1004-WH Legrand ON-Q Inquire 1000 intercoms isn't working, is it possible a POE injector would help? It's a pretty long run, although other longer ones are working. It has worked somewhat ...
- 101
14
votes
9
answers
11k
views
What is a proper way to support/suspend cat6 cable in a drop ceiling?
I am trying to run some cat6 cable in the drop ceiling of my basement. I want to run 3x CAT6-CMP cables that from what i understand should not rest on ceiling tiles.
From what i have read, the ...
- 237
0
votes
1
answer
74
views
Low voltage LEDs fluctuate from full to half to off and repeat
I purchased and installed 100' of 16/2 wire and eight lamps (LED Lawn Light 12W 2800K AC/ DC 12V) and Malibu’s 200 Watt Low Voltage Transformer. 96 watts of lamps, I was told, would be perfect for a ...
- 11
0
votes
2
answers
578
views
How to implement a zoned low-voltage lighting?
I have about 80ft of exterior stairs with two landings to which I want to add three zones of low-voltage lights. I would like a 3-way switch controlling each zone at the top and the bottom of the zone....
- 181
1
vote
1
answer
162
views
Low Voltage Home Wiring
I have a custom built new construction home, but I was not involved with the build process, so I don't know the thought behind some of the equipment decisions.
I am an engineer, so curiosity has me ...
- 837
5
votes
1
answer
918
views
Making low voltage prettier/weatherproof?
I've got a big hole in my exterior wall where several coax and (old) phone cables punch through. It's just... there in the stucco. All of my low voltage wires are just hanging out on the outside wall ...
- 53