Where can the system bonding jumper for a separately derived system be installed?

The correct choice highlights that the system bonding jumper for a separately derived system must be installed in specific locations as defined by regulations. This is crucial to ensure safety and compliance with electrical codes, which outline precise requirements for bonding jumpers to prevent electrical hazards.

System bonding jumpers are used to connect the grounded conductor to the grounding electrode system at a separately derived system, ensuring that there is a low-impedance path for fault currents. The regulations specify acceptable locations for these connections to maintain system integrity and protect both personnel and property. By adhering to these established standards, the risk of electrical shock or equipment damage is minimized.

The other options imply installations that do not comply with safety standards or guidelines. Installing solely in a service panel might overlook other acceptable points specified by regulations. Exposing the jumper in visible locations may not follow the protective measures outlined in the codes, and installing it merely for convenience could compromise the safety and efficacy of the system.