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类似的网站 Nfpa.Org
NFPA
描述: Publishes fire and building safety standards, including the National Electrical Code.
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Provides legal representation for the United States, Federal employees, Members of Congress, Cabinet Officers and the President of the United States in matters of ...
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National Institute of Standards and Technology
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Find quality cable management and wire management products to organize, protect and hide wiring at home, in the office, and at school and special events at ...
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The standards organization for all areas of electrotechnology.
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Automatic Fire Alarm Association, Inc.
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Provides technical, educational, and administrative support to governmental departments and agencies engaged in building codes administration and enforcement.
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Construction database of general contractors,architects, engineers, sub-contractors, material and equipment suppliers and manufacturers.
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A premier source for timely, relevant, actionable information on national, regional, international standards and conformity assessment issues
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