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NFPA 70 电气规范
日期:2012-02-08 16:41
siness campus settings.
The Code's user-friendly format saves you time
Shading in NEC text makes changes easy to spot.
Vertical rules indicate additions.
Bullets show deletions.
Index includes identifiers at the top of every page to streamline research.
Bottom line The 2011 NEC sets a new benchmark for safe electrical design, installation, and inspection. Order your copy in the bestselling Softbound format. If you're involved with electrical safety, staying up-to-code is not optional -- its

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