power pole vs utility pole

power pole

noun
  • A vertical pole of concrete, wood or steel that carries electric power cables. 

  • A kind of modern anchor on the back of a boat, often one of a pair, that looks like an antenna and goes down on demand to hold the vessel in place. 

utility pole

noun
  • A tall cylinder, often made from the trunk of a tree, usually topped by a cross beam, used by a public utility to carry wire, cable or conduit through the air, for the transportation of electricity, cable television, telephone or similar services. 

How often have the words power pole and utility pole occurred in a corpus of books? (source: Google Ngram Viewer )