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On 01/15/2015 04:45 PM, EDWARDS, EDDIE J wrote:
> Excellent point Jim. All services' grounds (AC, telephone,
> television, internet and ham shack cable entry point & ham tower)
> must be bonded to a single-point ground system. There's no limit
> on number of ground rods as long as they're bonded (i.e. tied to
> the same grounding system). 8 foot ground rods need to be within
> 16 ft of each other, but can be closer if needed to shorten cable
> run to each service ground connection.
I thought NEC specified the opposite, specifically that
ground rods had to be at least twice their length apart,
in order for each rod to have its own independent
connection to ground.
In other words, ground rods spaced closer together than
twice their length will not result in as large a reduction
in ground resistance as ground rods spaced the recommended
distance.
- --
All rights reversed.
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