Electrician's Licensing Practice Exam

What color is a bonding screw typically?

1. Red

2. Black

3. Green

4. Yellow

The correct answer is: Green

The bonding screw is typically green, which serves a very specific purpose in electrical installations. This color coding is standard across the electrical industry and is used to identify grounding and bonding components. The green color indicates that the screw is intended for connecting the ground wire, ensuring that any stray electrical current has a safe path to the ground. This is crucial for the safety of both the electrical system and the individuals who may interact with it. In electrical components and devices, the use of a color code helps electricians and technicians quickly identify the function of different elements. By adhering to this standard, professionals can ensure uniformity and enhance safety when performing installations, repairs, and inspections. The recognition of green for bonding screws underscores the importance of grounding in preventing electrical shock and equipment damage.