The National Electric Code (NEC Code) book
NFPA 70 FREE ONLINE

The NFPA (National Fire Prevention Association) has made the National Electrical Code (NFPA 70) available on line in a FREE reader format. So now you can look up you needs in the latest NEC code book from any location with a web browser!

There is a requirement to sign in (register). The viewer is powered by Real Read software and is easy to use. There are page turning buttons and an icon on the bottom right to bring up an index with hot links to jump to any page or article you wish.

Go to www.NFPA.org and check it out. Nothing better than your own refererence copy but now you can check your codes from any PC in a pinch.

https://www.nfpa.org/catalog/services/login/newuser.asp?npg=http://www.nfpa.org/freecodes/free_access_document.asp%3Fcookie%255Ftest%3D1%26id%3D7008SB&nhdr=f&chkout=0