Electrical Maintenance: Introduction to the NEC

Explain the purpose and describe the history of the NEC. Describe how the NEC was developed and revised. Describe the role of testing laboratories in developing the NEC. Describe the purpose of the NFPA and the NEMA. Explain the difference between mandatory rules and advisory rules. Describe the kinds of information found in Articles 90 100 and 110 of the NEC. Define the terms labeled and listed. Describe how the chapters of the NEC are organized. Describe the different types of text used in the NEC. Using the NEC Explain how to locate information for a particular procedure in the NEC. Identify and describe key sections of the NEC that are often used as references for servicing electrical systems. Describe how the NEC can be used as a reference for installing electrical systems.