What situation would require the use of a bell alarm lockout?

The use of a bell alarm lockout is specifically designed for situations where there has been an electrical fault that requires a reset. In these scenarios, the bell alarm indicates a fault condition, providing a crucial signal that something in the system needs attention before it can be safely reset and returned to normal operation. This safety procedure ensures that personnel are aware of potential hazards and helps prevent any accidental restarts that could lead to equipment damage or create unsafe conditions for workers.

In other situations, such as during normal operations or when simply monitoring circuit performance, there is typically no need to implement a lockout, as these conditions do not pose an immediate risk requiring the same level of caution. Similarly, while performing breaker maintenance may involve some safety protocols, it typically does not involve the need for a lockout associated with an alarm, as maintenance procedures usually follow established safety practices that do not depend on alarm indicators.