What is the purpose of tension stringing in electrical installations?

• A. To increase the voltage
• B. To keep the conductors off the ground
• C. To reduce resistance
• D. To simplify maintenance procedures

Answer: (B)

The purpose of tension stringing in electrical installations is fundamentally aimed at maintaining the proper spacing and height of the conductors. By ensuring that the conductors are held at a specific tension, this technique prevents them from sagging too low, which could lead to contact with the ground or other objects. This is crucial for safety, as it helps to avoid electrical hazards and issues related to grounding or short-circuiting. Tension stringing also contributes to the overall stability and mechanical integrity of the overhead lines, ensuring they can withstand various environmental factors without compromising their performance.

Maintaining a safe distance between conductors and the ground is essential for the effective operation of power lines, particularly in areas where vegetation or other obstacles might interfere.