Difference (if any) in CATV coax cable quality? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 4 Old 07-28-2018, 09:37 PM - Thread Starter
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Difference (if any) in CATV coax cable quality?

I have various pieces of coax cable used for antennas and the only constant is stated "18AWG".

The rest state either:
  • "rg-6/u"
  • "cl2 rg6u quad shielded"
  • "cl2 rg6 triple shielded"

What's the difference (if any)?

Thanks!

Nick

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days I've stayed alive. - George Carlin - 1996
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post #2 of 4 Old 07-28-2018, 11:33 PM
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18AWG is the "thickness" of the cable. AWG = American Wire Gauge. The smaller the number, the thicker the cable wire. The thicker the cable wire, in theory, the better the signal propagation. However, if the wire is CCA (Copper Coated Aluminum), which most older wire is, the less reliable it is as opposed to a solid copper wire.

CL2 just means that it has met certain standards for fire safety. It has nothing to do with the ability of the cable to transmit data.

The RG6 "shielding" just means that there is an extra layer of protection for interference.
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post #3 of 4 Old 07-31-2018, 03:30 PM - Thread Starter
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Amazon Basics is the one that reads 'Triple Shielded'.

Never seen that before. It's either double or quad.

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post #4 of 4 Old 07-31-2018, 07:52 PM
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Quote:
Originally Posted by ncsercs View Post
Amazon Basics is the one that reads 'Triple Shielded'.

Never seen that before. It's either double or quad.
Marketing mostly. Unless you're running your cable right next to power lines double shielded should be ok for most applications. BTW, I forgot to mention that a CL2 rating, while usually attributed to fire, refers to the voltage that the cable can safely carry without shock. CL2 is rated for 150v and CL3 is rated for 300v.
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