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Try our National Electrical Code online chatbot

Put an NEC assistant in your pocket with Kopperfield's National Electrical Code online chatbot. Our chatbot is designed as a supplement to your copy of the National Electrical Code, helping you reference the latest code, look up calculations, prepare for the NEC exam, and more.

Sample questions about the National Electrical Code book
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Load calculator
Calculate electrical loads with NEC defaults and downloadable PDFs
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Generate single line diagrams from a library of common templates
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Customize proposals and share mobile-friendly quotes and invoices
National Electrical Code online chatbot common questions

Your online chatbot for all things NEC

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