GB 50311-2016 第4.5.2条
| **** | Conduits and trunking: The **conduit/trunking specifications, routing, and fire rating** (e.g., flame-retardant, fire-resistant) of cable installation in the hotel shall comply with the design; in particular, firestop measures are required where they penetrate fire compartments, and this shall be a key inspection item during acceptance. |