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Source for pre-cut/connector ready RG11?


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7 replies to this topic

#1 OFFLINE   cpalmer2k

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Posted 25 October 2013 - 03:26 AM

Can anyone recommend a reputable online place that sells pre-cut RG-11 burial grade cable, preferably with the option to add connectors prior to shipment?  I need to replace a long cable run of ~280 feet that is currently RG-11.  Nowhere around me carries it unless you buy 1000ft, and none of my tools are RG-11 compatible.  I hate to buy that much cable, connectors, and new tools for one cable run.  



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#2 OFFLINE   coolman302003

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Posted 25 October 2013 - 03:32 AM

SolidSignal

http://www.solidsign...(1523ap-pvfc11)

 

For the length you need though its going to be quite $$$$

 

 

If you didn't need the connectors pre-installed (but still included) prior to shipping it would be much cheaper

http://www.solidsign...(1523ACPVFC11L)

 

 

 

I am not sure if the above coax is considered direct burial grade though.


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#3 OFFLINE   slice1900

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Posted 25 October 2013 - 06:30 AM

For the length you need though its going to be quite $$$$
 

 

LOL, you aren't kidding! I priced out 300' on the links and see that to buy the raw cut cable it is $229.99, to buy 300' with the connectors installed it is $1669.99!  :eek2: I guess they use solid gold connectors or something...

 

Certainly I can understand charging for the service of installing the connectors, but I would think that is pretty much a fixed cost since it isn't any more difficult to install connectors on a cable regardless of length. So I'm not quite sure if they just have a bizarre pricing strategy or it is a pricing mistake.

 

Anyway, I would think that if you need 300', unless you can find someone willing to make the cable for a much more reasonable price, you'll probably be better off buying a cheap RG11 compression tool, small bag of connectors and the cable and make your own. If you buy a 1000' spool you could sell the remaining 700' on Ebay. Or check Ebay for someone who has 300' left over after they bought a 1000' spool when they only needed 700 :)


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#4 ONLINE   longrider

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Posted 25 October 2013 - 06:37 AM

The higher priced cable is plenum rated cable (burning characteristics are such it can be put in air handling spaces in commercial buildings) however the price is crazy!  I use plenum rated Cat6 all the time and it is double the price at the most.


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#5 ONLINE   longrider

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Posted 25 October 2013 - 06:47 AM

Here is a pre-terminated 300' direct burial cable for a reasonable price:  http://www.broadband...0ftco59dib.html


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#6 OFFLINE   SolidSignal

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Posted 25 October 2013 - 07:51 AM

SolidSignal

http://www.solidsign...(1523ap-pvfc11)

 

For the length you need though its going to be quite $$$$

 

 

If you didn't need the connectors pre-installed (but still included) prior to shipping it would be much cheaper

http://www.solidsign...(1523ACPVFC11L)

 

 

 

I am not sure if the above coax is considered direct burial grade though.

 

Hi,

 

that link is for plenum-rated burial-grade RG11, which is a pretty pricy item. A cable that is rated for fire resistance in an office building and is burial rated is a pretty rare thing, and the cable itself is expensive.

 

We would be happy to help you with custom sizes if you call us.



#7 OFFLINE   slice1900

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Posted 25 October 2013 - 05:07 PM

Here is a pre-terminated 300' direct burial cable for a reasonable price:  http://www.broadband...0ftco59dib.html

 

 

Not that it matters, but that looks like CCS cable. A bit of googling shows it is really hard to find SCC RG11 burial cable.

 

I say it doesn't matter, since as he needs only one cable it must be for SWM, and a 29v PI would easily cover the voltage loss through only 300 feet, but some people like to over-spec so he may be looking for SCC RG11 even though he doesn't need it.

 

A bit of googling shows RG11 CCS resistance is 11 ohms per 1000 ft, and while I'm not sure how much power a SWM LNB requires, the 21v power supply it comes with outputs 25.2 watts, so it is obviously less than that. I'll overestimate the power draw at 29 watts to give a nice round 1 amp at 29 volts, then we get:

 

voltage drop = (resistance per 1000 ft * draw in amps * length of run in feet) / 1000 ft

                     = (11  * 1 * 300) / 1000

                     = 3.3 volts

 

Given that 300 feet of solid copper RG6 has even lower resistance, I assume the run used RG11 to cover the signal loss? Given how much RG11 costs and the need to buy it with connectors installed which will increase the cost, maybe adding a SWM amp and using SCC RG6 would be more cost effective? It would also make for easier maintenance if for example something happened to the connectors and they needed to be replaced, or some accident cut the cable and it could be fixed with new connectors and a coupler rather than having the whole thing replaced.


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#8 OFFLINE   bigglebowski

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Posted 02 November 2013 - 12:21 PM

Not that it matters, but that looks like CCS cable. A bit of googling shows it is really hard to find SCC RG11 burial cable.

 

I say it doesn't matter, since as he needs only one cable it must be for SWM, and a 29v PI would easily cover the voltage loss through only 300 feet, but some people like to over-spec so he may be looking for SCC RG11 even though he doesn't need it.

 

A bit of googling shows RG11 CCS resistance is 11 ohms per 1000 ft, and while I'm not sure how much power a SWM LNB requires, the 21v power supply it comes with outputs 25.2 watts, so it is obviously less than that. I'll overestimate the power draw at 29 watts to give a nice round 1 amp at 29 volts, then we get:

 

voltage drop = (resistance per 1000 ft * draw in amps * length of run in feet) / 1000 ft

                     = (11  * 1 * 300) / 1000

                     = 3.3 volts

 

Given that 300 feet of solid copper RG6 has even lower resistance, I assume the run used RG11 to cover the signal loss? Given how much RG11 costs and the need to buy it with connectors installed which will increase the cost, maybe adding a SWM amp and using SCC RG6 would be more cost effective? It would also make for easier maintenance if for example something happened to the connectors and they needed to be replaced, or some accident cut the cable and it could be fixed with new connectors and a coupler rather than having the whole thing replaced.

We have many hotel installs with RG11 at those distances and greater to confirm you are correct. Hell some of these cables are probably +15 years even.






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