617131a8_it_Requirements___Criminal_Law__Penalties_At_A_Glance
[State] Maine [Laws / Permit Requirements] Legal without major restrictions [Penalties-At-A-Glance] 
It is a Class D crime (misdemeanor) to use an electronic weapon upon any other person for reasons other than self-defense. Penalties include a fine of up to $2,000, up to 364 days in county jail, or both.
Stun Gun Laws and Permit Requirements | Criminal Law
Penalties-At-A-Glance