Use Of Distribution Cabinets In Locations With Explosive Mixtures Of Gas Or Vapor
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① For Q-1 level places where explosive mixtures can be formed under normal circumstances, low-pressure Power distribution cabinet with flameproof, explosion-proof ventilation and inflatable type should be selected.
② For Q-2 level places where explosive mixtures cannot be formed under normal circumstances but can be formed under abnormal circumstances, any explosion-proof type can be selected.
③ For Q-3 level places where explosive mixtures cannot be formed under normal circumstances but can be formed under abnormal circumstances but the possibility is small, sealed type can be selected.
