When documenting an over-current protection device, which of the following is important?

When documenting an over-current protection device, noting the type and status is crucial because it provides essential information about the device's function and condition. The type of the over-current protection device, such as a circuit breaker or fuse, determines its application, ratings, and how it operates under fault conditions. The status, whether the device is operational, tripped, or damaged, indicates whether it is capable of performing its intended safety role.

Understanding these aspects is vital for fire investigators as they assess electrical systems and determine whether they could have contributed to a fire incident. Knowing the type can help in understanding what protection is being provided, while the status can reveal if that protection was compromised. This information can subsequently inform broader assessments regarding potential electrical failures or hazards in the context of a fire investigation.

The other choices, while they may provide useful information, do not directly encapsulate the critical elements necessary for assessing the functionality and reliability of the over-current protection device in the context of fire safety and prevention.