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2. Solid-state relay - Wikipedia

   en.wikipedia.org/wiki/Solid-state_relay

   Solid state relay with green LED Solid state contactor PCB mount solid-state DIL relay. A solid state relay (SSR) is an electronic switching device that switches on or off when an external voltage (AC or DC) is applied across its control terminals. They serve the same function as an electromechanical relay, but solid-state electronics contain ...

3. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   Solid-state circuit breakers (SSCBs), also known as digital circuit breakers, are a technological innovation which promises to advance circuit breaker technology out of the mechanical level, into the electrical.

4. Solid-state electronics - Wikipedia

   en.wikipedia.org/wiki/Solid-state_electronics

   The term solid-state became popular at the beginning of the semiconductor era in the 1960s to distinguish this new technology. A semiconductor device works by controlling an electric current consisting of electrons or holes moving within a solid crystalline piece of semiconducting material such as silicon, while the thermionic vacuum tubes it replaced worked by controlling a current of ...

5. Electrical contact - Wikipedia

   en.wikipedia.org/wiki/Electrical_contact

   An electrical contact is an electrical circuit component found in electrical switches, relays, connectors and circuit breakers. [1] Each contact is a piece of electrically conductive material, typically metal .

6. Fault current limiter - Wikipedia

   en.wikipedia.org/wiki/Fault_current_limiter

   Electric power distribution systems include circuit breakers to disconnect power in case of a fault, but to maximize reliability, they wish to disconnect the smallest possible portion of the network. This means that even the smallest circuit breakers, as well as all wiring to them, must be able to disconnect large fault currents. [citation needed]

7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

   www.aol.com/today-nyt-strands-hints-spangram...

   According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.