2011 National Electrical Code Chapter-By-Chapter
David Herres, owner and operator of a residential and commercial construction company, obtained a Journeyman Electrician&#8217;s License in 1975. He has certificates in welding and wetland delineation. Beginning in 2001, Mr. Herres has focused primarily on electrical work, upgrading his license to Master status. The author of a 2006 article forEC&M;on complimentary wiring methods, he has written nearly 40 articles on electrical and telecom wiring.