The NFPA is providing free online access to the 2017 edition of the NFPA 70 codebook.

To access the book, go to:

Click the link in the middle of the page that says:
Free access to the 2017 edition of NFPA 70

Please sign in if you already have a profile, else you will need to create a profile.

If you create a new profile, you will receive an email with a verification link that you need to click. Once you have done this, you will be able to freely access the online NFPA 70 codebook.