two-way switch

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English

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Etymology 1

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Named after its two electrical connections.

Noun

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two-way switch (plural two-way switches)

  1. (US, rare, electricity) A plain type of light switch that can control lights, or other electrical loads, from a single location; a single-throw switch.

Etymology 2

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Named after its use in pairs to control a load from two locations.

Noun

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two-way switch (plural two-way switches)

  1. (British, electricity) Commonwealth spelling of (US): three-way switch.
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