Which type of safety wire is typically stronger?

Double twist wire is considered the strongest type of safety wire due to its construction, which involves twisting two strands of wire together. This design not only increases tensile strength but also provides greater resistance to loosening under vibration. As the strands are twisted, they create a more secure hold, which is particularly important in aviation applications where the integrity of components is critical for safety and performance.

In contrast, single wire does not offer the same level of strength and security as double twist wire, as it lacks the added reinforcement from the twisting. Cotter pin wire serves a different purpose and isn't designed for the same protective applications as safety wire. Lastly, the claim that all types are equally strong overlooks the inherent differences in construction and intended use among these options, making double twist wire the optimal choice for applications requiring enhanced strength and reliability.