License: The Nebraska State Electrical Board has a.. All electrical licenses and apprentice registrations I Like It issued by the China Aluminum Chairs State. State license is required for Air Conditioning, Electrical, and Plumbing trades... Licenses are required for electrical, plumbing, and mechanical

work.. The Board of Electrical Examiners considers applications of persons desiring electrical licenses; conducts hearings to decide on the revocation or. Persons holding a conditioned air contractor license, electrical contractor license,

or plumber license must complete at least 4 hours per year of. Some states are now requiring an exam on Business and Law for the contractors license.