The NFPA is the National Fire Protection Association and they issue safety standards.
Search the catalog for NFPA and electrical standards.
NFPA 70E Standard for Electrical Safety call number is 621.319 N47 for the 2004 version and can be found in the stacks. There are more recent versions published. If you need the most current standard please speak to a librarian.
You might also want to look at the Electrical Safety Code Manual which you can call up by title on our catalog. It's an e-book and you can read it by clicking on "get full text Wentworth users."