Haw. Rev. Stat. § 448E-11: Injunction.

The board may, in addition to any other remedy available, apply to a circuit court judge for a temporary restraining order or preliminary or permanent injunction restraining any person from acting, or assuming to act, as a journey worker electrician, journey worker specialty electrician, supervising electrician, supervising specialty electrician, maintenance electrician, journey worker industrial electrician, supervising industrial electrician, journey worker plumber, or master plumber without a license previously obtained in compliance with this chapter and the rules of the board, and upon hearing and for cause shown, the judge may grant the temporary restraining order or preliminary or permanent injunction.