two-way switch

== English == === Etymology 1 === Named after its two electrical connections. ==== Noun ==== two-way switch (plural two-way switches) (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 === Named after its use in pairs to control a load from two locations. ==== Noun ==== two-way switch (plural two-way switches) (British, electricity) Commonwealth spelling of (US): three-way switch.