GB 50217-2018 第7.0.4条
| **** | In crowded places (such as hotel lobbies, restaurants, banquet halls, guest room corridors) and places with flame-retardant requirements, flame-retardant cables shall be used. For power supply circuits of fire-fighting equipment that must maintain power supply during a fire (such as fire pumps, emergency lighting, and fire automatic alarm systems), fire-resistant cables or mineral-insulated cables shall be used. |