Which of the following indicates a potential electric hazard when working on systems?

A damaged junction box poses a potential electric hazard because it can expose live wires, creating risks of electric shock or short circuits. Junction boxes are meant to protect connections and wire conductors; any damage compromises their integrity. This can lead to the possibility of accidental contact with energized components, which is a serious safety risk.

Loose connections also indicate a potential hazard as they can lead to arcing, overheating, and even electrical fires. Loose wiring may not maintain a solid contact, resulting in irregular current flow and increased resistance in the circuit. This further exacerbates the risk of electrical failure, making these connections a danger when working on any electrical system.

Given that both a damaged junction box and loose connections pose significant risks, identifying them as potential electric hazards is crucial for safety when working on electrical systems. The combination of these two issues underscores the importance of thorough inspections as part of standard electrical safety practices.