Eric:
>Commercial practice is to bury 1/3rd the length of the pole in the ground.
>5 feet doesn't sound right to me, but I am not an engineer.  Call your local
>power company -- a quick conversation with one of their engineers will help
>you.
Are you CERTAIN of your statement?  That means that a 60' pole would
be 20' in the ground...!!  And that only 40' would be usable.
Locally, the common installation dictates 10% + 1' in the ground... 
So, for a 60' pole, 7' would by buried, yielding 53 usable feet of pole.
73 - TOm Hammond   N0SS
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