What does NEC Article 400 govern in electrical systems?

What does NEC Article 400 govern in electrical systems?

• A. Conductor sizing requirements
• B. Installation methods for lighting fixtures
• C. Flexible cords and cables usage and limitations
• D. Grounding and bonding practices

Answer: (C)

NEC Article 400 specifically addresses the usage and limitations of flexible cords and cables in electrical systems. This article provides guidelines on the types of flexible cords that can be used, their specific applications, and the conditions under which they may be employed. It is essential to follow these guidelines to ensure safety and compliance with electrical codes. Flexible cords and cables are used widely in various applications such as portable tools, appliances, and temporary power connections. Article 400 outlines aspects like ampacity, installation methods, lengths, and where flexible cords may be appropriate or prohibited to prevent potential hazards, such as overheating, electrical shock, or injury. Understanding these regulations is crucial for electricians and engineers in ensuring that they select and install flexible cords and cables in a manner that maintains safety standards and adheres to the National Electrical Code.

NEC Article 400 specifically addresses the usage and limitations of flexible cords and cables in electrical systems. This article provides guidelines on the types of flexible cords that can be used, their specific applications, and the conditions under which they may be employed. It is essential to follow these guidelines to ensure safety and compliance with electrical codes.

Flexible cords and cables are used widely in various applications such as portable tools, appliances, and temporary power connections. Article 400 outlines aspects like ampacity, installation methods, lengths, and where flexible cords may be appropriate or prohibited to prevent potential hazards, such as overheating, electrical shock, or injury.

Understanding these regulations is crucial for electricians and engineers in ensuring that they select and install flexible cords and cables in a manner that maintains safety standards and adheres to the National Electrical Code.