If you are 18 years old, you may work at any time in any job. A minor aged 14 or 15 years old can work up to 40 hours a week during Spring, Winter, and Summer Break.If you employ minors between the ages of 14 and 17, this section contains required documents, posters, breaks, and work hour limitations. Minors 16 and 17 years of age. How many hours can a minor work each week in South Carolina? The Federal Fair Labor Standards Act (FLSA) may be more restrictive. JJ Keller offers federal, state, local, and wage order posters for all 50 states, the District of Columbia, and Puerto Rico. 16 and 17: May work the same hours as those who are 18 years old. Apply to Team Member, Cashier, Crew Member and more! Piloting year, occurs during the 2016-17 school year.