Upgrading to which type of fuses stops over-fusing?

Upgrading to S-fuses is effective in stopping over-fusing because these fuses are specifically designed with a unique construction that prevents their use in circuits where they are not rated for the load. S-fuses have a built-in feature that allows them to fit only into their designated fuse holders, which limits the potential for incorrect replacements that might lead to over-fusing.

Standard fuses, while functional, do not offer the same level of protection against misuse as S-fuses, as they can be inserted incorrectly into holders not suited for them. Type-C fuses are more sensitive to overloads and are typically used in specific applications where protective characteristics are needed, but they do not inherently prevent the incorrect application that can lead to over-fusing as S-fuses do. Edison base fuses, being one of the older designs, also lack the specific features needed to mitigate over-fusing effectively. By employing S-fuses, electricians can reduce the risk associated with overloading circuits, ensuring safer operation and longer life for both the fuses and the connected electrical systems.