What is the primary purpose of bonding in electrical safety?

The primary purpose of bonding in electrical safety is to ensure electrical continuity. Bonding is the practice of connecting metal components to create a low-resistance path for electrical current. This connection is essential in preventing electrical shock and promoting safety by allowing stray electrical currents to flow safely to the ground. By ensuring that all metal parts are electrically connected, bonding helps to eliminate differences in electrical potential that could create hazardous situations.

Creating a permanent mechanical joint, increasing the resistance of electrical flow, and enhancing aesthetic appearances do not capture the purpose of bonding. While mechanical joints are important for physical stability, they do not inherently serve the safety function of bonding in an electrical context. Additionally, increasing resistance would contradict the goal of achieving a reliable electrical path, as high resistance could prevent proper current flow. Enhanced aesthetic appearances, while potentially a benefit of some installations, is not related to the safety objectives of bonding. Thus, ensuring electrical continuity stands out as the primary purpose, directly contributing to the safety and effectiveness of electrical systems.