Definition of "switchgear"

switchgear

noun
countable and uncountable, plural switchgears
1. (electrical engineering) A device used to control, meter, protect, and regulate electronics as part of electricity generation, transmission, and distribution.
  Quotations
  The track-sectioning cabins house not only switchgear for the traction current, but also transformers to provide power supplies to the signalling equipment.
  1961 December, “Planning the London Midland main-line electrification”, in Trains Illustrated, page 722