National Fire Protection Association (NFPA). 2010 Edition. It was issued by the Standards Council on December 15, 2009, with an effective date of January 4, 2010, and supersedes all previous editions This edition of NFPA 850 was approved as an American National Standard on January 4, 2010. 83 p. This document provides recommendations for fire prevention and fire protection for electric generating plants and high voltage direct current converter stations, except as follows: Nuclear power plants are addressed in NFPA 805, Performance-Based Standard for Fire Protection for Light Water Reactor Electric Generating Plants; hydroelectric plants are addressed in NFPA 851 , Recommended Practice for Fire Protection for Hydroelectric Generating Plants ; and fuel cells are addressed in NFPA 853, Standard for the Installation of Stationary Fuel Cell Power Systems,