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Re: Running wire for security cameras, and tips on fishing wire?
RG59, RG6 & RG11 are all suitable for CCTV if they use a 95% braided copper
shield. The aluminium shield versions are more suited for CATV.
Approximate distances for CCTV using copper shield and standard size cables
are up to 750-1000ft for RG59, up to 1200-1500ft for RG6 and up to 2500-3000
for RG11
RG59 with a copper shield is also available in a "mini" size, the maximum
wire run for this cable is less than the standard RG59, but its small size
makes it easier to work with and conceal if necessary.
The /U designation does not denote copper shield, RG59/U is available in
both aluminium and copper shield versions.
My experience is that many people when using the term RG6 are referring to
the aluminum quad shield version commonly used in CATV, and not the copper
shielded version for CCTV.
The choice of cable should depend on the length of the wire run, using RG6
or RG11 on a short run is wasting the customers money, using RG59 on a long
run is wasting your time and the customers money
Doug L
--
"Norm Mugford" <1alarm@xxxxxxxxxxxxx> wrote in message
news:Ypyof.163$kw.78@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> "Jim" <alarminex@xxxxxxx> wrote in message
> news:1134706565.471340.264700@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>
>> Bill wrote:
>>> I would get the cameras *first* so you know what wiring they will
>>> require.
>>> If running coax, use RG-6 which is best.
>>>
>> Hi Bill,
>>
>> With regard to the above...... I don't do much CCTV work anymore but
>> when I did, we always used RG59. Wire mfgs, and camera mfgs always said
>> that was the proper wire. And also that it was important to use copper
>> braid not aluminum. I think it also had something to do with the core
>> conductor too. Something to do with a copper clad steel conductor in
>> the RG6 versus a copper conductor in the RG59. Nowdays, I see people
>> recommending RG6 for CCTV installs, yet from what I read and hear, RG6
>> should only be used on long runs for CCTV, (like hundreds and hundreds
>> of feet ) and have copper braid. I remember something about the
>> aluminum foil being ok for regular RF TV signal on the RG6 but not for
>> video signal. Do you use RG6 regularly and have you actually compared
>> the picture quality? Is it the same kind of RG6 that you use for RF
>> TV? Did you just choose to use it and didn't see any difference or did
>> someone recommend and/or say that it was alright to use?
>>
>>
>> Anyone else have any info or input on this?
>
> It's always been my understanding that RG59 was best for CCTV, and
> RG6 was best, because of it's bandwidth capability, for broadcast TV.
>
> Just my cents.......
>
>
>
>
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