WI General Contractor Practice Questions - Wisconsin General Contractor Exam

Under OSHA regulations, what is the minimum trench depth requiring cave-in protection systems?

5 feet deep, unless the excavation is in stable rock 3 feet deep 10 feet deep 8 feet deep

5 feet deep, unless the excavation is in stable rock

Access more questions from this quiz

Continue to WI General Contractor Practice Questions - Wisconsin General Contractor Exam for more practice questions and the full quiz experience.