What section tells you the punishment for falsely pulling fire alarrm?

Answer 1

It is usually in the state criminal code, and also in the national fire code.

For instance, in NH/USA it is:

Title LXII Criminal Code

Chapter 644 Breach of the Peace

RSA 644:3 False public alarms, Class B felony

3-a: False Fire Alarms, misdemeanor

3-b False fire alarms causing injury Class B felony

NFPA 1 (Fire Code, 2009): 10.7.2