Have you realised that ‘light’ has two forms of past tense? Yes, it does. Lit or lighted can be used interchangeably as past tense verbs or as past participle for this word.
Lighted is what we call a regular verb because you make it past tense by adding -ed to the end. Lit is what we call an irregular verb because you change the spelling to make it past tense; you don’t just add -ed.
Take a look at these examples
I lit a match.
I lighted a candle.
The room was lit by the flame.
The room was lighted by the flame.