In the state of PA is it legal for the spouse of a convicted felon to own a taser for self defense?
		
		
	 
If your question read: In the state of PA is it legal for a person to own a taser for self defense?
The ownership of a taser has nothing to do with someone's disqualification NOT to possess a taser.
Most people in Pennsylvania can buy stun guns and/or tasers without a permit. 
The state's restrictions on gun ownership also apply to the above named weapons. 
No one may use a stun gun or taser for an illegal purpose.
A  person may not possess or use a stun gun or taser (in PA) if he/she are in the class of people prohibited from having firearms in Pennsylvania. 
This group includes those ALL people who:
were convicted of certain felonies or other crimes, 
including domestic violence,
driving under the influence of drugs and/or alcohol, 
are subject to a domestic violence protective order(s) that require(s) them to relinquish their weapons, 
or have been involuntarily committed to a psychiatric institution or found by a court to be mentally incompetent.
(18 Pa. Con. Stat. §§ 908.1, 6105 (2019)