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English Translations » 电气工程圈 » Power distribution room Fire door

Power distribution room Fire door

2022-06-11View Original

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May I ask? According to Article 4.3.1 of the \"Code for Design of Low-Voltage Power Distribution Systems\" GB50054-2011: when a power distribution room is adjacent to other areas, the fire resistance rating of its doors shall be determined based on the higher of the fire resistance ratings of the two areas. How should the latter sentence be understood?
Reply #22022-06-11
When the fire separation distance between the substation and other installations is insufficient, fire doors must meet the requirements for the highest fire rating
Reply #32022-06-11
That is, when a and b are adjacent, choose the one of the two that is more fire-resistant

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Translated at 2026-07-23 17:21:47

Original: https://bbs.hcbbs.com/thread-3357099-1-1.html

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