Is the National Electrical Code (NFPA 70) public domain in the USA?
Am I free to include the whole text in my website?
Is the National Electrical Code (NFPA 70) public domain in the USA?
Am I free to include the whole text in my website?
The NEC it is not public domain. The document is a copyrighted work, created and published by the National Fire Protection Association. You will likely receive unwelcome calls and letters from attorneys who are well-paid by the NFPA if you publish the NFPA's NEC document in its entirety on your website.
IIRC, there are "official websites" where a person can download a copy the NEC for personal use, but that copy cannot be republished (e.g., via your own personal website) as far as I know.
Rather than (re)publishing a copy of the NEC on your own website, why not just link to the "official" websites that offer free downloads of this document. Then you won't be breaking any laws.
EDIT: Well, I am not a lawyer nor a licensed attorney, so my comments herein could be inaccurate, or incorrect, or both. But it seems legal precedent exists where state and local governments can "appropriate" (i.e., acquire without compensation) copyrighted works created by others by simply adopting those works as "facts" within their statutes, thereby rendering ineffective various protections afforded to those copyright holders under Federal copyright law, and placing the copyrighted work into the public domain (but with some copyright protections still intact).
EDIT: @Passerby is correct; the wording in my previous EDIT appears unfair as written. Hopefully this EDIT provides clarification: "... state and local governments can "appropriate" (i.e., acquire without compensation, but not via involuntary transfer (see 17 U.S.C. § 201(e)) copyrighted works created by others by simply adopting and thereby incorporate those works as "facts" within their statutes ..."