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Questions tagged [coaxial-cable]

For questions dealing with coaxial cable

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3answers
513 views

Can dielectric grease be used in coax connections?

I have two coax cables that need to splice together. I am using waterproof F-type connectors but I was wondering if a dielectric grease where the two screw in to each other would be harmful (signal ...
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2answers
84 views

Can I run data (e.g., for computer internet access) through my rg6 coaxial cable?

I want to be able to hook up computers in different rooms of my house directly to a connection in the wall rather than using wireless. I have rg6 cable runs (multiple runs) in every room. I'd rather ...
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2answers
66 views

52 volts on my cable demarc (House Side) to ground

The cable company demarc coax was burned and melted. New cable installed. Said the problem was bad house wiring. I checked all the plugs and all the lighting in the house. Found no real problem. Then ...
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2answers
1k views

Alternatives to testing coax cable

Several years ago, I wired coax cable connections to the main unit of my house and the basement apartment. The cable company ran two cables from an alley pole to the entry point on the house and I ...
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1answer
2k views

How do I connect TV cables to this signal booster unit?

I am trying to connect some coaxial cables to a antenna amplifier unit. I have 3 cables going to various TV plugs, and a single cable connected to an antenna. All cables are terminated with the ...
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2answers
122 views

How to see if a coax cable is able to receive Internet?

During construction works every cable in the house was cut off. The cable was only used for TV so far, but we want now also receive Internet by cable. Now we have a lose coax-cable (presumably from ...
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1answer
86 views

DVR burning out [closed]

I'm at a loss here. So Everytime I plug the Ethernet cable into my computer from the modem the DVR shorts out. Had the cable company out here and he said there's a lot of current on my coax. We ...
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1answer
125 views

Southwire M550 says coaxial cable is misfired and reversed?

Ever since I moved into my house the upstairs cable has not worked, so I recently I started looking into fixing the cable wiring and figuring out how its laid out in the house. I bought a Southwire ...
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1answer
251 views

How to run coax to 10 sites at RV park [closed]

I am building a small RV park that has only 10 spaces. I am thinking about running Coax cable to each spot to provide TV service. At first I will just be hooking it up to broadcast tv using an antenna,...
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1answer
700 views

Ota antenna on cable coax with internet on line

Recently I had cable tv as well as internet coming into the home. I cut the cord regarding tv service but still want the internet feature. I want to hook up an antenna for tv. I hooked up an antenna ...
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2answers
1k views

Proper toner/probe use to track coax behind drywall

Where my cable comes into my new apartment there are a number of coax cables labelled with rooms that don't have outlets. I bought a toner and probe (Fluke Pro3000) to try to trace them in the walls, ...
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2answers
97 views

How to and what tools do I use to cable between 3 floors at my house.

What tools do I need and what techniques do I use to to cable a cable (coax) between 3 floors. Actually it's from my first floor of a two story home to the attic. I have searched and searched ...
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2answers
2k views

Can I output video single wire RCA signal out of 3 composite ports?

My projector has a single RG-6 cable with RCA terminals running to it from the console space in the front of the room. I wanted the cable to be hidden as much as possible and I didn't run an HDMI ...
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1answer
33 views

How to confirm coaxial wall plate is connected correctly?

I connected coaxial cable to a wall plate plug that connects a wire directly (does not use a terminator). After doing that, I did some connectivity testing from the back to the front, and I found ...
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1answer
163 views

Can I drill into a wall's baseboard?

I need to run coaxial cable to another room and the original hole near the bottom of the wall got covered by a taller baseboard. Is it ok to drill through the baseboard? There's still a hole on the ...
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1answer
54 views

What is the strength of a TV signal at the antenna?

When understanding signal attenuation along a coaxial cable from an antenna to the television (e.g., signal loss from splitters, coaxial connections, etc), it's also important to understand what the ...
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1answer
70 views

DC pass cable splitter

So we have a direct tv satellite that we don’t use anymore. They left a dc pass cable splitter hooked up. Can we use that to hook up an outdoor antenna? Will we get shocked or something? Clearly we ...
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2answers
1k views

Is it possible to split off a neighbor's Comcast cable to provide service to my condo?

Comcast tech told my tenants that the coaxial cable within my condo was outdated & not adequate to provide good signal so it appears he installed a splitter from my neighbor's downstairs cable and ...
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2answers
1k views

Is it normal for coax cable to carry this much voltage?

I recently had a problem with my internet going out (cable). I went a few hours later to check if anything was loose on the box on top of the breaker panel. I opened it up and noticed cable coming ...
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1answer
76 views

Coaxial passive amplification

I have a passive uhf antenna, with a 1:2 splitter close to it, short run for tv1 is about 5 meters, long run for tv2 is about 15.I have 4 digital channels on my grid, and tv2 does not recieve enough ...
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3answers
926 views

Optimizing whole house coaxial distribution

I'm interested in optimizing my current coaxial splitter setup that was primarily done by Comcast on one of their service calls. During the first stage the coaxial cable from the cable provider is ...
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1answer
92 views

Fishing coaxial through two floors and foam insulated holes in fire block

I've got a bundle of coaxial cables running from the cable connection on the ground floor to the attic above the first floor - a distance of roughly 20 feet. Initially, I planned on using one of the ...
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1answer
3k views

Cable amplifier repeater setup for best signal

I have a long run from the pole to my house, so the cable company installed a repeater. After doing some research I'm starting to see that I'm still not getting the full signal strength to my Main TV ...
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0answers
416 views

Valid number of Cat 6 + Coax cables for pipe conduit?

Here's some old wiring done in my absence as my parents could only monitor so much. Hate the use of Skinnier version on Flexi Pipe that won't allow any movement or pull once initial install is done. ...
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1answer
128 views

Possible causes of a loss of TV signal after reorganising masthead amp and splitter

I'm trying to diagnose an issue where my TV reports no terrestrial digital signal. Some background. I've been doing a lot of home renovation and general improvement to my house over the last few ...
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0answers
22 views

TV Arcs with Cablebox through both Coax and HDMI [duplicate]

Here is our setup Outlet in older house that was replaced with a GFI last year. (no issues until recent) The GFI doesn't have a ground wire running up from the basement. Just the white and black ...