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Questions tagged [interference]

Questions with this tag are about the symptoms, causes and cures of interference, which is defined as an undesirable electrical phenomenon competing with a desirable electrical signal(s).

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2answers
96 views

Clarifying separation of ethernet cables from cables running power (underground)

I have seen a few questions regarding how close ethernet cables can be to power cables without a significant impact on the data. For example: Can I run CAT5/6 cables parallel to electrical cables? ...
0
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1answer
61 views

Is it acceptable to run 22/4 security wire along side Cat6 and Coax cables, or is there any possibility for interference?

Security wire is connected to motion/vibration/magnetic sensors and alarm keypad. Can it disrupt the alarm system? or cause speed/performance loss in the cat 6 transmissions?
0
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2answers
63 views

Why doesn't my garage door opener close the door?

I am currently having an issue where my garage door remote does not work when attempting to close the door. I have done a fair bit of research which suggested the light bulb next to the motor/antennae ...
0
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0answers
77 views

What's going on with the electrical wiring (or devices) in this room?

I was soldering components onto a circuit board that was placed on a rubber-like soldering mat on a table. Simultaneously, I was listening to audio from my desktop computer, using wired headphones. ...
0
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2answers
117 views

Coax and cat6 close to the main power trunk

I want to run coax (for a cable modem) and cat6 (for a phone connection) from the garage (where my cable and phone boxes are located) to my basement. The garage wall is not drywalled, so I can run ...
2
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2answers
394 views

Can an induction range cause interference in nearby Cat6 cables?

I am buying a home that is under construction. The developer installed the vertical Cat6 Ethernet and RG6 coaxial cable runs from the basement to the attic in the wall immediately behind where the ...
0
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0answers
165 views

How can I combine a tv signal from the wall to an amplified antenna into my digital TV?

I am having a very difficult time receiving OTA DTV signals and want to combine a few different antennas. I purchased a splitter that actually combines different signals, and it works, but this is ...
0
votes
0answers
477 views

Reliability of Security+ 2.0 versus Security+ LiftMaster Garage Door Opener

I have a circa 2001 Chamberlain LiftMaster garage door opener that randomly does not respond to wireless remotes (both car remotes and a wireless keypad). This morning I used the wireless keypad to ...
2
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2answers
277 views

300 ft Ethernet run parallel to 120v circuit

There is a boardwalk through a wooded marsh approximately 250ft long with no line of sight between the ends. Along one side of that boardwalk is an electrical circuit. I need to establish an Ethernet ...
-1
votes
2answers
899 views

bridge tap and internet connection?

we have a problem with our internet connection. it is not stable and not as fast as it can be... Our provider suggested we contact an electrician to " break" (?) The bridge tap. According to him, it ...
1
vote
3answers
363 views

Radio interference , lighting

I recently purchased a new place to me. We have a large horse barn that we pipe FM music to the horses. Last weekend I was in the shop attached to the arena and stalls after dark turned the shop ...
4
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6answers
10k views

Diagnose interference causing garage door opener remotes not to function

How do I diagnose why our garage door remotes periodically stop working? I suspect that there is some sort of radio interference causing the problem. This morning I left the house for about an ...
1
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1answer
2k views

Turning light on turns power to fire alarm off

I have a ceiling fan connected to a two way switch. When I turn the ceiling fan/light on, the power to the hard wired smoke detector is cut off, whereas turning the fan/light off returns power to the ...
4
votes
1answer
12k views

Installing Coax & Cat6 in 2-Gang with Electrical?

Using a 2-gang box, can I install a (1) outlet, (2) coax, and (3) Cat-6 line without code or interference issues? I have an existing 1-gang box with electrical that I am running the coax and cat-6 ...
0
votes
4answers
1k views

Two A/C units are close to each other and turning one on turns the other on. How to fix?

I had an Air Con unit installed in the Living Room and another in a bedroom adjacent to the Living Room, both from the same brand. The Air Con units are actually next to each other, and only ...
4
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3answers
40k views

What's causing the popping noise from my speakers?

Several weeks ago, I moved into a new home. In office, I have my computer set up with a set of media speakers (older model of Logitech Z-550's). Every now and then the speakers will make a popping ...
9
votes
5answers
82k views

Why would my TV image turn black when electrical appliances turn on?

I have my computer connected to my TV via HDMI. Every time something electrical happens (fridge turns on, stove sparks, etc), the image on the TV goes black for a second and then comes back on. And ...
7
votes
2answers
2k views

Will security system wiring cause interference in data cables?

Is it acceptable to run 22/4 security wire along side Cat6 and Coax cables, or is there any possibility for interference?