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Engineering Controls

Engineering controls are devices that isolate the worker from the hazard of exposure. In the realm of electrical safety, engineering controls include such devices as:
  • A light switch or outlet cover plate
  • A door on a breaker panel
  • Covers over terminal posts
  • Ground pin on an electric plug (Three-prong plug)
  • Ground fault circuit interrupters (GFCI) in damp or wet locations