There are not many "two code” experts out there. The reason for the lack of knowledge is because the two codes are very different.
Since 1997, the National Electrical Contractors Association (NECA) has been publishing a series of National Electrical Installation Standards™.
Using NFPA 79 as a model, other NFPA electrical documents can be integrated more fully for end users of the NFPA 70 series of electrical codes and standards.
Some vehicle inspection diagnostic equipment used in garages and filling stations has not been marked for hazardous locations. Does UL List equipment for use in hazardous locations? Where can I find UL Guide and Listing Information?
Over the past five years, I have worked on 26 interpretations and gained tremendous insight in understanding the NESC. Studying the interpretations is very important in understanding the NESC.
Let's examine how the National Electrical Code (NEC) and Electrical Installations in Buildings (IEC 60364) vary.
The first part of this series of articles provided a general understanding of the IEC and how it operates.
The requirement for sunlight resistance for conductors that are exposed to direct sunlight was added in Section 310-8 of the 1999 National Electrical Code (NEC).
A harmonized NFPA 79 paves the way for you to build a machine that your company can sell from Boston to Bombay.
This is the final segment in the series of articles covering a number of proposed changes for the 2002 National Electrical Code.