Select the NEMA or industry standard symbol for yellow components in wiring diagrams.

The standard symbol for yellow components in wiring diagrams is represented by the designation associated with option D. In electrical wiring diagrams, color coding is critical for clarity and function, as different colors often indicate specific purposes or types of components.

The NEMA (National Electrical Manufacturers Association) standards and practices provide a consistent framework for indicating electrical components through color designations. Yellow is commonly used to signify certain elements, such as specific types of conductors or electrical components. By adhering to these standards, electricians and engineers can ensure clear communication and understanding among various stakeholders involved in electrical installation and maintenance.

Utilizing the correct symbol not only helps in identifying components quickly during installation or troubleshooting but also plays a vital role in compliance with safety standards and regulations. This consistency is key for efficient work and safety in the electrical industry.