What will happen if you install a 30 amp fuse into a 15 amp fuseholder?

If a 30 amp fuse is installed into a 15 amp fuseholder, the correct response relates to the compatibility of the fuseholder with the fuse type. Generally, a 15 amp fuseholder is designed to accept only fuses that match its specific amp rating and physical dimensions.

A 30 amp fuse typically has different physical characteristics or dimensions, which would prevent it from fitting correctly in a 15 amp fuseholder. This ensures that the system's safety and functionality are maintained by preventing inappropriate fuses from being installed. If a fuse doesn't physically fit into the holder, this design feature is a crucial safety measure to avoid potential overloads.

In contrast, options discussing the fuse working or being secured do not address the critical safety design aspect and would imply a level of interchangeability that does not exist in this scenario. This serves to prevent dangerous situations, such as overcurrent conditions, by ensuring that only appropriate fuses can be used in specific applications.