Nec (National Electrical Code) : A set of rules governing safe wiring methods. Local codes—which are backed by law—may differ from the NEC in some ways.
Complete Design, Inc. (Construction Design Specialists), Dictionary of Construction Terminology, Washington, USA 2015. http://completedesign.cc/client-resources/dictiona ry-of-construction-terminology, (Const - Amer) {836}