"High tension line towers", or...hmm, I guess I don't know what the common usage would be in the U. S., southern or otherwise. And we live a block from a local

"High tension line towers", or...hmm, I guess I don't know what the common usage would be in the U. S., southern or otherwise. And we live a block from a local Redmond, WA trail that follows the line of...high tension towers for miles in either direction. But between my spouse and me, if we need to refer to them, we just call them "towers". "Pylons" are short little things, such as traffic cones (to borrow an example from another commenter).