Tasers can trigger Zzzap’s powers

“Well, thank God for that,” said Barry. “Last thing I remember some nutcase had drugged my food.”
“I apologize for that. The duty sergeant thought a Taser would be better, but I was afraid a surge of electricity in your nervous system would trigger the change.”
“Yeah, and we wouldn’t want that.”

Excerpt From Ex-Patriots, pg 330
Peter Clines
https://books.apple.com/us/book/ex-patriots/id585738393