What is the requirement for conductor identification in NEC Article 300.14?

The requirement for conductor identification in NEC Article 300.14 specifies that conductors must be color-coded or labeled for identification. This is crucial for ensuring safety and clarity in electrical installations. Proper identification helps prevent confusion during maintenance and troubleshooting, reducing the risk of electrical accidents and ensuring that those working with or around electrical systems can easily recognize the purpose of each conductor.

Color coding is particularly important as it aids in identifying different phases, neutral, and ground conductors, providing clear visual cues. This identification system contributes to maintaining safe working practices, as it allows electricians and technicians to understand the current path and connections within the system at a glance.

The other options do not meet the safety and clarity requirements established by the NEC. Identifying conductors only by type or indicating that color identification is unnecessary compromises the system's integrity and increases the potential for electrical hazards. Additionally, all conductors, not just phase conductors, must be properly identified to ensure comprehensive safety across the entire electrical system.