Home › Authors › David Herres 👤 David Herres 5 books Books by David Herres Elevator Troubleshooting and Repair 2020 The Homeowner's DIY Guide to Electrical Wiring 2014 The Electricians Trade Demystified Demystified 2013 Troubleshooting And Repairing Commercial Electrical Equipment 2013 2011 National Electrical Code 2011 National Electrical Code chapter-by-chapter 2012