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Re: Conduits in a trench



"RickH" wrote:
>
> If the RG6 does form a big ground loop, then make sure the shield
> is only grounded at one end not both ends, (IOW "lift" or break the
> ground at one end).  You'll still have a ground, but there will be
> no potential for AC to flow in the shield due to differing ground
> impedances at each end.  Same if you go with shielded cat5.

This is true.  However, it would be wise to either provide a bonded
ground between all three buildings (something which is probably not
practical) or use fiber to completely isolate all current carrying
conductors.  Even data lines inside a shield can carry destructive
currents during a lightning hit.

--

Regards,
Robert L Bass

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Bass Home Electronics
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4883 Fallcrest Circle
Sarasota · Florida · 34233
http://www.bassburglaralarms.com
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