The National Electrical Code (NEC) enjoys the reputation of being the most widely accepted standard in the world. The document is intended to provide for the practical safeguarding of persons and property from hazards associated with electrical installations.
Jim Dollard has an extensive background in codes and standards. If you have a query about the National Electrical Code (NEC), Jim will help you solve it. Questions can be sent to firstname.lastname@example.org. Answers are based on the 2014 NEC. Unsupported raceways