conduit vs jumper cable

conduit

noun
  • A duct or tube into which electrical cables may be pulled; a type of raceway. 

  • A pipe or channel for conveying water, etc. 

  • A means by which something is transmitted. 

  • An investment vehicle that issues short-term commercial paper to finance long-term off-balance sheet bank assets. 

jumper cable

noun
  • An electrical cable providing a connection between rail or road vehicles. 

  • A pair of insulated electrical wires with alligator clips at each end used to jump-start a car with a dead (flat) battery. 

How often have the words conduit and jumper cable occurred in a corpus of books? (source: Google Ngram Viewer )