In this issue: special annual report on EC&M's 2019 Top 40 Electrical Design firms, electrical residential service secrets; detecting electrical shorts; electrical estimating best practices; conduit bending tips; proper rating, sizing, and marking of electrical equipment; trends in lighting retrofit spaces; working with fire suppression systems; electrical contractors and ergonomics; Lightfair 2019 product picks; conductor sizing requirements, National Electrical Code coverage; and more!