New Living Translation
They must wash with water whenever they go into the Tabernacle to appear before the LORD and when they approach the altar to burn up their special gifts to the LORD—or they will die!

American Standard Version
when they go into the tent of meeting, they shall wash with water, that they die not; or when they come near to the altar to minister, to burn an offering made by fire unto Jehovah.

Berean Study Bible
Whenever they enter the Tent of Meeting or approach the altar to minister by presenting an offering made by fire to the LORD, they must wash with water so that they will not die.

Douay-Rheims Bible
When they are going into the tabernacle of the testimony, and when they are to come to the altar, to offer on it incense to the Lord,

English Revised Version
when they go into the tent of meeting, they shall wash with water, that they die not; or when they come near to the altar to minister, to burn an offering made by fire unto the LORD:

King James Bible
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:

World English Bible
When they go into the Tent of Meeting, they shall wash with water, that they not die; or when they come near to the altar to minister, to burn an offering made by fire to Yahweh.

Young's Literal Translation
in their going in unto the tent of meeting they wash with water, and die not; or in their drawing nigh unto the altar to minister, to perfume a fire-offering to Jehovah,

Exodus 30:20 Additional Translations ...