וְעָשִׂ֥יתָ אֶת־נֵרֹתֶ֖יהָ שִׁבְעָ֑ה וְהֶֽעֱלָה֙ אֶת־נֵ֣רֹתֶ֔יהָ וְהֵאִ֖יר עַל־עֵ֥בֶר פָּנֶֽיהָ׃
And thou shalt make the lamps thereof, seven; and they shall light the lamps thereof, to give light over against it.
Read halakhic rulings (Jewish law) on Exodus 25:37: and classical halakhic sources.