关于《民用建筑电气设计标准》第8. 1. 6条的探讨

陈 诚（福州市规划设计研究院集团有限公司，福州市 350108）

Discussion on Article 8.1.6 of Standard for Electrical Design of Civil Buildings

CHEN Cheng(Fuzhou Planning & Design Research Institute Group Co.,Ltd.,Fuzhou 350108，China)

Abstract：The understanding of Article 8.1.6 of Standard for Electral Design of Civil Buildings(GB 51348 - 2019)is discussed through the design case and reply letter from the specification drafting group. It is proposed that the mineral insulated non‑combustible cable with copper sheath can be directly laid, metal trough wiring maynot be adopted,

and metal ladder wiring may be adopted.

Key words：fire distribution line;laying mode;copper sheath;mineral insulated non‑combustible cable;metal trough wiring;metal ladder wiring;current‑carrying capacity;reduction factor

摘　要：通过设计案例和标准编制组复函对GB 51348 - 2019《民用建筑电气设计标准》第8.1.6条的理解展开探讨，提出：带铜护套的矿物绝缘类不燃性电缆可直接明敷，不宜采用金属槽盒布线，宜采用金属梯架布线。

关键词：消防配电线路；敷设方式；铜护套；矿物绝缘类不燃性电缆；金属槽盒布线；金属梯架布线；载流量；降低系数

中图分类号：TU202      　　  　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2022.08.007