Which article covers the specifications for armored cable?

The specifications for armored cable are covered in Article 320 of the National Electrical Code (NEC). This article details the construction, installation, and use of armored cable, sometimes referred to as "Type AC cable," which is designed for various applications where additional physical protection is needed.

Article 320 specifies the permitted uses of armored cable, the types of conductors that can be utilized within the armor, and the conditions under which it can be installed. Understanding the criteria detailed in this article is essential for ensuring compliance with safety standards and for maintaining the integrity of electrical installations.

Other articles mentioned address different aspects of electrical installations; for instance, Article 300 outlines general requirements for wiring methods and materials, while Article 310 discusses conductors for general wiring. Article 322 addresses nonmetallic-sheathed cable, which is distinct from armored cable, highlighting the importance of referencing the correct article for specific installations.