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GB 7588-2003 第14.2.5条 Safety rules for the construction and installation of elevators

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GB 7588-2003 第14.2.5条

| **** | **Door lock electrical verification**: The elevator may start only after the landing doors and car door are fully closed. The door lock contacts shall be **positively opened** (non-spring contact), with a contact gap of ≥ **3mm** (for hotels, due to high-frequency use, silver alloy contacts are recommended, with a service life of ≥1 million operations). |

Other clauses of this standard

GB 7588-2003 第1.1条Safety rules for the construction and installation of eleva…
GB 7588-2003 第1.2条Safety rules for the construction and installation of eleva…
GB 7588-2003 第1.3条Safety rules for the construction and installation of eleva…
GB 7588-2003 第1.4条Safety rules for the construction and installation of eleva…
GB 7588-2003 第1.5条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.1条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.2条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.3条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.4条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.5条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.6条Safety rules for the construction and installation of eleva…
GB 7588-2003 第3.7条Safety rules for the construction and installation of eleva…

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