According to the site:
As part of its commitment to enhancing public safety through the adoption and enforcement of key ANSI codes and standards, NFPA is making all of its codes and standards available for review online by the public.
"On-demand review of NFPA's consensus documents conveniently places important safety information on the desktops of traditional users as well as others who have a keen interest," said NFPA President James M. Shannon. "NFPA is committed to serving the public's increasing interest in technical information, and online access to these key codes is a valuable resource."
To review NFPA's codes and standards online:
Select the document you want to review.
On the Document Information tab, scroll down to the heading "View the document online (read only)" and click on the link "view xxxx edition online". Note: you will be asked to "sign-in" on NFPA's Web site in order to view the document online.