Any person who willfully and without cause tampers with, molests, injures, or breaks any public or private fire alarm apparatus, emergency phone, radio, or other wire or signal, or any firefighting equipment with the intent to commit arson, is guilty of a class B felony punishable according to chapter 9A.20 RCW.
RCW 9.40.105
Intent-Effective date-2003 c 53: See notes following RCW 2.48.180.