Exodus 30:20 in the King James Version
When they go into the tabernacle of the congregation, they shall wash with water, that they die not; or when they come near to the altar to minister, to burn offering made by fire unto the LORD:
Context
19 Aaron and his sons shall wash their hands and their feet in it.
20 When they go into the Tent of Meeting, they shall wash with water, that they don’t die; or when they come near to the altar to minister, to burn an offering made by fire to the LORD.
21 So they shall wash their hands and their feet, that they not die. This shall be a statute forever to them, even to him and to his descendants throughout their generations.”