No court of the state of Washington or any judge or judges thereof shall have jurisdiction to issue any restraining order or temporary or permanent injunction in a case involving or growing out of a labor dispute, except in a strict conformity with the provisions of this chapter; nor shall any such restraining order or temporary or permanent injunction be issued contrary to the public policy declared in this chapter.
RCW 49.32.011
Injunctions in labor disputes: RCW 49.36.015.