Numbers 18:4
And they shall be joined to thee, and keep the charge of the tent of meeting, for all the service of the tent, and a stranger shall not come near to you.
Numbers 1:51
And when the tabernacle sets forward, the Levites shall take it down, and when the tabernacle is to be pitched, the Levites shall set it up. And the stranger who comes near shall be put to death.
Numbers 3:10
And thou shall appoint Aaron and his sons, and they shall keep their priesthood. And the stranger who comes near shall be put to death.
1 Samuel 6:19
And he smote of the men of Beth-shemesh, because they had looked into the ark of LORD. He smote of the people fifty thousand and seventy men. And the people mourned, because LORD had smitten the people with a great slaughter.
2 Samuel 6:6-7
And when they came to the threshing-floor of Nacon, Uzzah put forth to the ark of God, and took hold of it, for the oxen stumbled.