In this issue: special report on EC&M's 2019 Top 50 Electrical Contractors; tips for installing the proper outdoor lighting; troubleshooting common PV installation problems; market update on airport construction in the United States; educating homeowners on GFCIs; meeting the 2018 NFPA 70E challenge and understanding Annex E; Editor's Choice products from NECA 2019; electrical safety; the difference between codes and standards; understanding solar photovoltaic systems; National Electrical Code coverage; and more!