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NEC Section 300-13 is specifically concerned with the requirements for maintaining mechanical and electrical continuity of conductors in a raceway or cable system. This section ensures that conductors are properly supported and secured, which is essential for safe and effective electrical installations. This includes provisions for bonding and grounding requirements related to raceways, cables, and boxes to prevent electrical hazards.

Understanding this section is crucial for electricians as it underlines the importance of maintaining the integrity of electrical systems. It addresses how to ensure that conductive pathways remain continuous and intact, which is fundamental for both safety and performance in electrical systems.

The other options deal with different aspects of electrical installation. Grounding processes fall under separate NEC sections that specifically address grounding and bonding methods. Conduit installation guidelines are located in sections dedicated to conduit types and installation requirements, and switching requirements are also specified in different sections pertaining to the use and design of switches and control systems.