ECN Forum Forums General Topics of the Trade General Discussion Area Recommended hole depth for high poles???

Bjarney,
Are poles in the US set into concrete(cement) at the base of the pole?.
What is more common wood or concrete poles?
What sort of wood is used (where wood is used), to fabricate poles and cross-arms in the US?.

[This message has been edited by Trumpy (edited 08-29-2003).]