ichidan verb, transitive verb
Used for turning on lights, lamps, fires, stoves, and similar devices. The kanji 点ける is specific to this meaning, distinguishing it from other つける verbs.
See also: 付ける (つける)
暗くなったので電気を点けた。
It got dark, so I turned on the light.
寒いからストーブを点けてください。
It's cold, so please turn on the heater.