In Exodus 24:1, this signifies doctrine from the internal and external sense of the Word. (Arcana Coelestia 9375)

In Exodus 28:1, this signifies the divine spiritual which is divine truth proceeding from the divine celestial. (Arcana Coelestia 9811) That they offered worship to the Lord by putting incense upon strange fire.

In Leviticus 10:1-6, this signifies worship from a love different from love to the Lord. (Apocalypse Explained 324[5])