GB 51309-2018 第4.5.5条
| **** | The ingress protection (IP) rating of luminaires shall comply with the design requirements. In damp areas of the hotel (such as bathrooms and kitchens), the IP rating of luminaires shall not be lower than IP65. |
| **** | The ingress protection (IP) rating of luminaires shall comply with the design requirements. In damp areas of the hotel (such as bathrooms and kitchens), the IP rating of luminaires shall not be lower than IP65. |
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.