Sim, os cabos podem ser torcidos se o cuidado adequado não for administrado durante o aperto. Existem ferramentas que permitem apertar a fivela, mantendo as duas extremidades destrancadas. De este artigo :
Cable tensions are adjusted by twisting the turnbuckles that connect different sections of cable together. It’s a simple system, but you need to hold each cable end stable while turning the turnbuckle in order to avoid putting twisting stress on the cable itself. If you work alone, you may want to invest in a cable turnbuckle tool that holds both cable ends stable while you twist the turnbuckle barrel.