点く
1
to be lit (of a lamp, burner, etc.);to catch fire;to ignite;to start burning
See also:
付く (つく)
木造建築物は火がつきやすい。
Wooden buildings catch fire easily.
2
to be turned on (of a light, appliance, etc.);to come on
灯りが一晩中ついている。
The lights have been burning all night.