Which connection is made first when using a grounding jumper?

When using a grounding jumper, the grounding connection is of utmost importance for ensuring safety while working with electrical systems. The correct procedure dictates that the ground-end clamp should be connected first. This establishes a secure electrical ground before any other connections are made, which is crucial in preventing electrical shock hazards and ensuring system integrity.

By connecting the ground-end clamp first, any potential fault currents have a safe path to ground before the load is energized. This reduces the risk of any electrical energy potentially causing harm to personnel working on the system. Once the ground-end is securely connected, other connections, such as the load-end clamp or mid-point clamp, can be made safely.

Following this protocol is vital in maintaining safety standards as outlined by regulatory guidelines and best practices in electrical safety. Connection order plays a crucial role in operational safety, emphasizing the responsibility of workers to adhere to these established procedures during electrical work.