In Episode 43 of “EC&M On Air,” Ellen Parson, editor-in-chief of EC&M, is highlighting highlight some of the most popular technical content we’ve been running recently, but this time brought to you in audio-only form. This week, we’re featuring subject matter expert Don Kiper, who addresses some of our readers’ most pressing questions about electrical estimating. He answers one of the most common questions he is asked: Do you need to average branch wire estimating?