gpalfe@pclink.com wrote:
>
> I just finished erecting a Rohn SSV tower. Rohn supplied the tower with 2
> large ground rods and some bare solid copper wire, number 10 size. I know
> this is not the recommended wire size to properly ground the tower.
>
> Does anyone know the recommended wire type and size to ground the 3 legs?
>
> Thanks, Greg, wa0bnx
>
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According to ANSI/TIA/EIA-222-F, March 29, 1996, The minimum ground is
two 5/8 inch diameter galvanized steel ground rods driven not less than
8 ft into the ground, 180 degrees apart, bonded with a lead of not
smaller than No.6 tinned bare copper connected to the nearest leg or
metal base of the tower.
Additionally, self-supporting towers exceeding 5 feet in base width
shall have one ground rod per leg installed as above.
There are additional grounding requirements for "equipment" on the
tower. I emphatically suggest tower novices obtain and study this
specification which is available from Global Engineering Documents @
1-800-854-7179 or 303-397-7956. This document is not free.
I have no relationship with EIA, TIA, ANSI, Global Engineering
Documents, etc.
73!
Bill, N3RR
--
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: K7LXC@contesting.com
Sponsored by Akorn Access, Inc & KM9P
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