circuit breaker vs trading curb

circuit breaker

noun
  • Synonym of trading curb 

  • More specifically, a circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device. 

  • An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations. 

  • Quarantine measures intended to prevent spread of pandemics, such as the coronavirus. 

trading curb

noun
  • A financial regulatory instrument to prevent stock market crashes from occurring, by temporarily shutting down trading to allow accurate information to flow between parties. 

How often have the words circuit breaker and trading curb occurred in a corpus of books? (source: Google Ngram Viewer )