|To:||K7LXC@aol.com, AB2OS@att.net, email@example.com|
|Subject:||Re: [TowerTalk] Grounding Rod Lenght|
|From:||Jim Lux <firstname.lastname@example.org>|
|Date:||Tue, 17 Feb 2004 09:33:59 -0800|
Steve's right.. "...exothermic welding, listed lug, listed pressure
connector, or by listed clamp."|
Must be bonded to any of:
- Building or structure grounding electrode system (that would be the UFER ground, for instance)
- Interior metal water pipe meeting certain requirements.
- Metal service raceway (raceway is Code speak for conduit)
- Service equipment enclosure
- Building or structure grounding electrode conductor
- Metal enclosure enclsing the buidling or structure grounding conductor
- Accessible bonding beams such as 6" of AWG6 copper conductor connected to the service equipment or raceway.
That's not just any old conduit or junction box.. that's the service raceway or enclosure (i.e. the conduit coming up to the meter box or the box holding your main disconnect)
Separate ground rods provided for telecom or radio must be bonded to one of the above via a AWG6 or larger bare or insulated copper wire.
Then there's the peculiar requirements for telecom, etc.
Metallic sheath of telephone cable and primary protectors - close as practicable to point of entrance, and AWG14 or larger to acceptable earth ground (as above) in straight line runs (as practicable) (same basic rules for cable TV)
metal structure (this includes the bracket holding the dish)
AWG 10 to acceptable earth ground.
lead in cable (i.e. coax or twinlead) - listed antenna discharge unit (grounding block) at entrance point, not near combustible material ... awg10 to the acceptable earth ground (AWG 8 aluminum can work.. I've seen aluminum wire in most dish installation kits.. it's cheaper)
At 12:08 PM 2/17/2004 -0500, K7LXC@aol.com wrote:
In a message dated 2/17/04 5:53:55 AM Pacific Standard Time, email@example.com writes:
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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