Ezekiel 12:6
In their sight shalt thou bear it upon thy shoulders, and carry it forth in the twilight: thou shalt cover thy face, that thou see not the ground: for I have set thee for a sign unto the house of Israel.
Cross-reference
Ezekiel 12:11
Parallel
In Ezekiel 12:11, the meaning of the sign is explained: as Ezekiel did, so Israel will go into exile — direct interpretation.
Ezekiel 12:12
Parallel
Ezekiel 12:12 describes the same event from the prince's perspective, directly parallel to Ezekiel's sign act.
Ezekiel 4:3
Related theme
Ezekiel 4:3 also uses a symbolic act (iron plate) as a sign against Jerusalem, reinforcing the prophetic sign motif.
Ezekiel 24:24
Parallel
Ezekiel 24:24 explicitly states that Ezekiel is a sign, confirming the purpose of his symbolic acts like carrying baggage.
Isaiah 20:2–4
Parallel
Isaiah 20:2-4 has Isaiah perform a symbolic act (walking naked) as a sign, directly paralleling Ezekiel's sign act here.