What is a mechanical splice, and when is it commonly used?

• A. A permanent joint created by fusing two fibers; typically used in fixed installations.
• B. A passive joint that aligns fibers in a sleeve; used when fusion is impractical or for quick field repairs; higher loss than fusion.
• C. A connector with an 8-degree angle to minimize back reflections.
• D. A joint formed by adhesives in a plastic holder.

Answer: (C)