Iowa requires that all individual contractors and businesses performing “construction” work within Iowa be registered with the Division of Labor if they earn at least $2,000 a year from that work. Individuals or businesses making less than $2,000 a year on “construction” work, or who work only on their own real estate or property, are not required to register.
State electrical contractors license or a journeyman’s license under the supervision of an electrical contractor is required.
Electric code: NEC 2005 edition
Resources: Iowa Workforce Development website