Many states require state wide electrical licenses for business permits. Electrical licenses are required by contractors to work in major cities.
Licensed electricians demand higher salaries.
More opportunities in management. Electrical licenses are required by national building maintenance contractors for insurance purposes. Electrical licenses are required for electricians employed by property management, facilities and institutional projects for insurance purposes. Electrical exams are becoming more and more difficult on a nation wide level as the electrical field expands as never before. The strong possibility of a future combined Canadian and American uniform electrical code.