switch
single
double
place
resistance
single throw switch
double throw switch (changeover switch)
four way switch (crossover switch)
Pronunciation
Phrases:
A single throw switch is used to turn the light on or off.
With two double throw switches it is possible to turn the light on and off from two different places.
With two changeover switches and a four way switch it is possible to turn the light on and off from three different places.
Electrical resistance is measured in ohm (Ω).
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