• A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit...

  • A time delay relay is a relay that stays on for a certain amount of time once activated...

  • A Switching Power Supply (also switching-mode power supply, SMPS, or simply switcher...

  • A Distribution Box is a silver box (found by certain houses in a neighborhood...

  • Proximity switches usually have a tube-shaped housing made of metal or plastic...