Electrical & PPECâu 80 / 100
Why must extension cords used in construction be rated for hard or extra-hard usage?
a.To withstand the rough conditions of a job site without insulation damage
b.To look professional
c.To conduct more electricity
d.To reduce cost
Giải thích
Construction extension cords must be rated for hard or extra-hard usage so their insulation can withstand abrasion, moisture, and rough handling on a job site. Cords rated only for household use damage easily and create shock and fire hazards. The rating is marked on the cord jacket.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What is the first step in a typical lockout/tagout procedure?
- After applying locks and tags, what critical step verifies the equipment is safe?
- What does 'stored energy' refer to in lockout/tagout?
- What should unqualified workers do around exposed energized electrical parts?
- What is the danger of overloading an electrical circuit or extension cord?
- Which of the following best describes a 'qualified person' for electrical work?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với OSHA 30-Hour Construction Safety · Quy trình kiểm tra