National Electrical Code (NEC) Upgrade
The NEC, National Electrical Code, is a model code adopted in the United States for electrical components and systems installation. The purpose of the NEC is to protect people and property from hazards associated with the use of electricity.
This Code was developed to standardize and enforce safer electrical practices in all states. The NEC is constantly being upgraded, and as a business or homeowner, you must ensure your property complies with the latest code.
Tips on Understanding the National Electrical Code
The National Electrical Code could seem quite complicated to understand and follow. Here are seven tips for better understanding the National Electrical Code:
- Start with the definitions. Read Article 100 from Chapter 1, and you’ll be covered.
- After going through the definitions, read Article 90, which contains the scope and purpose of the National Electrical Code.
- The code is an extensive document, so you should focus on the articles related to the topics you need to consider. The NEC is divided into chapters, so you only need to check the chapter that contains the content you need and go directly to the related articles.
- Wiring, protection, and grounding can be found in Chapter 2.
- If you are a licensed electrical contractor in Vancouver or want to know more about electricity, you should focus on chapters 2 to 4.
- Chapters 6 to 8 cover specialized areas of electrical work, including non-typical applications.
- Chapter 9 is all about tables and examples. This chapter is a good way to learn how to apply the concepts in real life.
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What is the NEC requirement for installing wiring devices?
The requirement for installing wiring devices is quite straightforward. The conductors of a circuit must be inside a raceway, cable, trench, cord, or cable tray. If the installation method is subject to physical damage, then additional protection, such as NM cable inside the raceway is necessary.
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The National Electrical Code is a document where electricians find the standard for the safe installation of electrical wiring and equipment. The National Electrical Code also includes examples of how to apply the practices in real-life scenarios and tables that will help you determine voltage drops and wiring sizes.
NEC provides safety guidelines that will help protect people and prevent hazards and electrical-related accidents. This is why it is mandatory for every building and professional to comply with the code.
The maximum voltage drop allowed by the NEC Electrical Code is 5% if we consider a combination of both the feeder and the branch circuit. However, if we are solely considering the feeder, the maximum voltage drop allowed by the NEC is 3%.
Working with electricity can be dangerous, and always should be handled by a professional. There are a few golden rules to consider when it comes to electrical safety, but the most important rule is to always disconnect the power source before performing any electrical work.
However, we maintain that all electrical work should be performed by a professional electrician. Contact us at NW Pacific Electric Co, LLC and we will be happy to assist you with all your electrical needs and projects.