If you are 18 years old, you may work at any time in any job. Minors 16 and 17 years old do not have time restrictions, but may not work in hazardous jobs such as manufacturing, construction, and similar fields.How many hours can a minor work each week in South Carolina? No Hour Restrictions: Minors aged 16 and 17 are exempt from the strict hour and scheduling restrictions that apply to younger workers. 16 and 17: May work the same hours as those who are 18 years old. Night work is not allowed for minors of these ages during these hours:. 16 and 17: May work the same hours as those who are 18 years old. Night work is not allowed for minors of these ages during these hours:. Minors are also not allowed to work before 7 a.m. Each remote worker must complete the "Employee Name" and.