Safety lines must be protected where they contact which surfaces?

Safety lines must be protected where they contact which surfaces?

• A. Corners, Ledges, or Other Ropes
• B. Glass, Metal, or Concrete
• C. Sand, Water, or Soil
• D. Rubber, Rope, or Chain

Answer: (A)

Safety lines must be protected where they contact sharp edges or where they rub against other lines, because those contact points are the main sources of abrasion and wear. Corners and ledges create sharp edges that can slice into the rope, while contact with another rope can cause friction, heat, and wear over time. Protecting the line at these points—using edge guards, padding, or sleeves—helps maintain rope strength and reduces the risk of failure. The other surfaces listed don’t capture the common risk scenario in rigging edge protection: hard edges and rope-to-rope contact.

Safety lines must be protected where they contact sharp edges or where they rub against other lines, because those contact points are the main sources of abrasion and wear. Corners and ledges create sharp edges that can slice into the rope, while contact with another rope can cause friction, heat, and wear over time. Protecting the line at these points—using edge guards, padding, or sleeves—helps maintain rope strength and reduces the risk of failure. The other surfaces listed don’t capture the common risk scenario in rigging edge protection: hard edges and rope-to-rope contact.