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Penetrations.

Municipal Code of Chicago § 14X-5-502.3.4
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14X-5-502.3.4 Penetrations. Openings in fire-resistance rated construction made for the passage of pipes, electrical conduit, wires, ducts, air transfer, and any other reason must be protected with materials and methods capable of resisting the passage of smoke and fire in accordance with the Chicago Building Code.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675648Fetched: 10/24/2026

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