// CODE SNIPPET
717.3.2.1 Fire Damper Ratings
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Fire dampers shall have the minimum rating specified in Table 717.3.2.1.
| TYPE OF PENETRATION |
MINIMUM DAMPER RATING (hours) |
| Less than 3-hour fire-resistance-rated assemblies | 1.5 |
| 3-hour or greater fire-resistance-rated assemblies | 3 |
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