Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
The National Electrical Code (NEC), or NFPA 70 sets the foundation for electrical safety in residential, commercial, and industrial occupancies in the United States. It is part of the National Fire Codes series published by the National Fire Protection Association (NFPA), a private trade association.
Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!
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