This DIY-friendly guidebook to residential codes gives you the information you need to understand and apply the electrical, plumbing, mechanical, and building codes that actually impact today's homeowners. Beyond simply reporting the codes, BLACK+DECKER Codes for Homeowners interprets them for you and presents them clearly, with helpful color photos and simple graphics. This edition is current with the 2020 National Electrical Codes and 2021 International Residential Codes. Written by national codes expert Bruce Barker and created in partnership with BLACK+DECKER, Codes for Homeowners does what no other code book accomplishes: It makes codes and building standards simple to understand and visualize. You'll have just what you need to prepare for your next DIY project. Featuring key updates for: Decks, Mechanical ventilation, Installing electricity to a detached building, Electrical receptacle installation