What is correct lighted or lit?

Both "lighted" and "lit" are correct, but they are used in different contexts:

* Lighted is the past participle of the verb "to light." It is used to describe something that has been illuminated.

* Example: "The room was lighted by a single candle."

* Lit is the past tense of the verb "to light." It is used to describe an action that happened in the past.

* Example: "He lit the fire."

So, it depends on the sentence and the intended meaning.