Which of the following indicates that circuit breakers must be safely positioned?

The selection indicating that circuit breakers must be safely positioned focuses on the requirement for circuit breakers to be readily accessible. This aspect is crucial because it ensures that circuit breakers can be quickly and easily reached in the event of an electrical fault or to perform maintenance. If circuit breakers are not accessible, it can pose a safety risk in emergencies, where immediate action is necessary to interrupt power flow.

Accessibility allows users to quickly turn off the circuit during a malfunction or issue, minimizing potential hazards like fire or electrical shock. Codes and regulations typically mandate that circuit breakers be installed in locations that are convenient for operation without requiring tools, ladders, or special equipment.

While having circuit breakers covered, encased, or grounded relates to their safety and functionality as well, those aspects do not directly address the critical need for immediate access. The primary concern in the context of positioning is ensuring ease of access during an emergency situation. This is why the emphasis is on being readily accessible rather than the other attributes.