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Definition

Switch named:

Single pole, single throw (SPST) - One switch controlling one light / circuit of lights

Qubino: Toggle switch 

EU: One-way  switch

USA: Two-way  switch (regular switch)

Other Names: Switch, Bi-stable switch

Single pole, double throw (SPDT) - Two switches controlling the same light / circuit of lights

Qubino: Two-way  switch

EU:  Two-way  switch

USA:  Three-way  switch

Used when you have three or more switches controlling the same light

Qubino: Intermedi-ate switch

EU: Intermedi-ate switch

USA: Four-way switch

Other Names: Crossover switch, Cross connection

After being released, it goes back to its original state

Qubino: Momentary switch

EU: Momentary switch

USA: Monostable switch; 

Other Names: Push button