What color is a screw used as a main bonding jumper required to be identified with?

The correct identification color for a screw used as a main bonding jumper is green. This color is universally recognized in electrical applications to signify grounding and bonding systems. The use of green for ground connections helps ensure that anyone working on electrical systems can quickly and accurately identify the components associated with grounding and bonding, reducing the risk of accidents or improper connections. Proper identification supports compliance with safety standards and code requirements, making it essential for maintaining the safety and integrity of electrical installations.