Exodus 19:22

19:22 Let the priests also, who approach the Lord, sanctify themselves, lest the Lord break through against them.”

Exodus 25:14

25:14 and put the poles into the rings at the sides of the ark in order to carry the ark with them.

Exodus 30:29

30:29 So you are to sanctify them, and they will be most holy; anything that touches them will be holy.

Exodus 32:10

32:10 So now, leave me alone so that my anger can burn against them and I can destroy them, and I will make from you a great nation.”