How To Use The NEC, NEC 2020, (29min:15sec)

Summary

In this educational video, Mike Holt guides viewers on how to navigate and utilize the National Electrical Code (NEC) effectively, especially for those new to the trade. He shares his personal journey of learning the NEC, emphasizing the importance of understanding its structure, which includes chapters, articles, parts, sections, tables, and annexes. Holt advises using a practice questions book to familiarize oneself with the code and stresses the necessity of electrical theory knowledge. He also discusses the significance of definitions in Article 100 and the value of experience in interpreting the NEC, aiming to equip electricians with the skills to ensure safety and compliance in electrical installations.

Takeaways

• 📚 The National Electrical Code (NEC) is a complex document that can be intimidating for beginners, but it is essential for electrical professionals to understand and apply.
• 🏗 The structure of the NEC is hierarchical, starting with Chapters, Articles, Parts, and Sections, followed by Tables and Figures, Exceptions, and Informational Notes.
• 🔍 To effectively use the NEC, one must understand the layout, including the Table of Contents, Chapters, Articles, and Parts, as well as how to navigate through Sections and use the Index.
• 👨‍🏫 Mike Holt emphasizes the importance of electrical theory knowledge as a foundation for understanding the NEC, as the code is based on the physics of electrical installations.
• 🔑 Definitions of terms are crucial for correctly interpreting the NEC. Article 100 contains essential definitions, while specific articles may also define terms relevant to their content.
• 📈 Practice and experience are key to mastering the NEC. Using a practice questions book can help users become familiar with the code's structure and content.
• 🖊 Customizing the codebook with tabs and notes can make it more user-friendly and accessible, allowing for quicker reference and application in the field.
• 🗣️ Communication is vital when discussing the NEC; having the codebook as a reference can resolve disagreements and ensure that all parties are using the correct terminology and understanding.
• 🏛️ The NEC is not just a set of rules but also includes informational annexes and notes that provide guidance and safety considerations beyond the strict requirements.
• 🚀 For those new to the NEC, starting with a structured learning approach, such as Mike Holt's training programs, can accelerate understanding and confidence in applying the code.

Q & A

What was Mike Holt's initial experience with the National Electrical Code book?

Mike Holt's initial experience with the National Electrical Code book was quite daunting. He found it sitting in a pickup truck, all white, indicating it was never used. When he opened it up to read, he realized he couldn't comprehend what he was reading, which was overwhelming for him at the start of his career.

How is the National Electrical Code (NEC) structured?

The NEC is structured with a table of contents, followed by chapters, which are subdivided into articles. Articles are further broken down into parts, and parts into sections. Additionally, it includes tables, figures, exceptions, informational notes, an Annex, and an index.

What is the significance of the table of contents in the NEC?

The table of contents in the NEC is significant as it provides an organized breakdown of the chapters, articles, and parts, making it easier to navigate through the codebook and locate specific sections.

Why are practice questions important when learning the NEC?

Practice questions are important because they help learners familiarize themselves with the codebook by actively engaging with it. They guide users to locate and understand specific articles, parts, and sections, thus accelerating the learning process.

What is the role of definitions in the NEC, and where are they primarily found?

Definitions in the NEC are crucial for understanding the specific terms used within the code. They are primarily found in Article 100, which contains definitions essential to the application of the code. Some definitions are also included within individual articles where they are used.

How can the index in the back of the NEC be helpful?

The index in the back of the NEC is helpful as it allows users to look up specific terms and find where they are discussed in the code. However, it requires users to know the technical terms used in the NEC, as the index uses these terms rather than common field slang.

What is an informational note in the NEC, and how does it differ from a requirement?

An informational note in the NEC is a non-mandatory section that provides additional context or guidance. It differs from a requirement in that it does not impose any regulations but is included to offer helpful information or considerations.

Why is it important to understand electrical theory before studying the NEC?

Understanding electrical theory is important before studying the NEC because the code is based on the physics of electrical installations. Without this foundational knowledge, it would be difficult to comprehend the reasoning behind the code's requirements and regulations.

How can customizing the NEC codebook aid in its use?

Customizing the NEC codebook, such as using color-coded tabs and highlighting important sections, aids in its use by making it more organized and easier to navigate. This allows electricians to quickly find the information they need, especially in the field.

What advice does Mike Holt give for resolving disagreements about the NEC?

Mike Holt advises that to resolve disagreements about the NEC, individuals should use the actual codebook as a reference. He emphasizes that without the codebook and a proper understanding of electrical theory and real-world experience, conflicts are unlikely to be resolved effectively.