電気をつけて下さい。

electricity; (electric) light

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to turn on; to switch on; to light up

to give; to confer; to bestow; to kindly do for one; to oblige; to favour; to favor