GB 50217-2018 第2.0.4条
| | Cable sheath: a covering layer that protects the insulation layer from mechanical damage and environmental influences, suitable for humid or high-temperature areas in hotels. |
| | Cable sheath: a covering layer that protects the insulation layer from mechanical damage and environmental influences, suitable for humid or high-temperature areas in hotels. |
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.