However, it's important to note that this abbreviation is mainly used in contexts like:
* Time measurement: e.g., "The race took 10 sec."
* Order of succession: e.g., "The second in command."
In other contexts, you might use different abbreviations depending on the specific meaning of "second." For example:
* Second (as a noun): 2nd
* Second (as an adjective): 2nd
Always consider the context and choose the most appropriate abbreviation.