UL 884-2016
UL 安全地板下管道和配件标准（第十三版）

UL Standard for Safety Underfloor Raceways and Fittings (Thirteenth Edition)

被代替

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标准号

UL 884-2016

发布

2016年

发布单位

美国保险商实验所

替代标准

UL 884-2020

当前最新

UL 884-2020

 

 

适用范围

These requirements cover metal underfloor duct systems designed for use as raceways for the installation of wires and cables in accordance with the National Electrical Code (NEC)@ NFPA 70. These requirements do not cover rigid or flexible conduit surface raceways or other products of a similar nature that are covered by individual requirements separate from these requirements. General compliance of underfloor raceway systems in accordance with the construction and performance requirements in this standard shall be determined by a study of an actual installation of the system or a completely representative sample installation.

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