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How long does coaxial cable last?
20 years
It is made to last at least 20 years underground. The kind of hams that use it is softer, the jackets are not as tough and they are usually single shielded.
Does coax cable deteriorate?
Any coax exposed to the elements will definitely degrade over time due to heat cycling and perhaps mechanical wear. Typically the outer cladding is likely to become brittle and thus be more likely to crack if you bend it. Then water intrusion will cause eventual degradation of the shield.
Do I need to replace my coaxial cable?
Coaxial cable, just like everything, has a lifespan. The white dielectric foam can degrade, the center conductor can get kinked and nicked, the connector can start to oxidize. So look, keep old cables if you want. It’s good for the environment and it gives you some backups.
How much does it cost to replace a coaxial cable?
How much does it cost to get a coax cable installed?
| Service | Cost |
|---|---|
| Coaxial Cable Unit | $3-$50 |
| Electrician Cost per hour | $40-$100 |
| National average | $208 |
| Total | $75-$500 |
Are long coax cables bad?
Coaxial cable has a place. The longer the coax run, the more loss and the more expensive it gets. The signal arriving at the receiver from anything longer than 100 feet of RG8X is probably going to cause trouble. Runs over 200 feet without amplification are only a dim possibility.
What causes coaxial cable to degrade over time?
Typically the outer cladding is likely to become brittle and thus be more likely to crack if you bend it. Then water intrusion will cause eventual degradation of the shield. To the point of your question, RG-8 is pretty rugged, and if it is still working after 35 years I can’t think of any reason not to repurpose it.
How can I tell if my coax cable is degrading?
Measure the power directly from your antenna analyzer / signal generator / low power transmitter. Then put it on the end of the coax, and measure that. Power is proportional to the square of voltage. If the cable passes visual inspection, SWR test, and loss test, it’s fine to be reused.
When to consider loss or attenuation in coax cable?
When deciding upon any form of coax cable it is necessary to assess the loss that it will introduce. The loss or attenuation is one of the key issues. The loss introduced y the coax cable needs to be assessed n terms of what can be tolerated within the system.
Which is the best coaxial cable for low signal loss?
Series 59 is not used very often anymore due to its high signal loss over length. Series 11 is the largest, has the least amount of signal loss over length, but is bulky, hard to install, and relatively expensive when compared to Series 6 coaxial cables.