September 27, 2020
Don't Click This Link!
September 27, 2020
I warned you!
I warned you!
The simplest kind of switch is ON-OFF. This has two terminals, and simply interrupts the electrical path. Such a switch is referred to an SPST, or "single-pole single-throw", because it switches one circuit or "pole" in one way, or "throw". More complex switches are simply combinations of this basic element.
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