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UL阻燃等级 - 无图版
刪蒢記憶 --- 2014-06-12 15:20:29
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Standards Reference Guide
National Electrical Code (NEC**) Catalog Reference Information
The National Electrical Code is a set of guidelines describing procedures which minimize the hazards
of electrical shock, fires, and explosions caused by electrical installation. The text of the NEC is
contained in nine chapters, each chapter broken into individual articles.
NEC types are acronyms consisting of a prefix decribing cable type (e.g. coax, CATV, fiber optic) and
a suffix indicating the type of flame test it has passed and where it can be installed. Articles
describing wire and cable products - including required cable markings - are listed in the chart to the
right.
［刪蒢記憶 在 2015-5-24 8:31:42 编辑过］
wzhtdxdl --- 2014-06-17 15:52:15
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老谢 你开价很高啊
刪蒢記憶 --- 2014-06-20 07:54:38
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wzhtdxdl:
老谢 你开价很高啊
你认错人了
s05402320 --- 2014-11-22 10:28:05
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