Answer: OPGW live line installation requires a specific suite of equipment to ensure both safety and efficiency. Unlike traditional stringing, these tools are designed to operate in a high-voltage environment. The essential equipment includes:

• Mobile Traction Machine: A self-propelled, remote-controlled machine that runs on the existing ground wire to deliver guide ropes and rollers, eliminating the need for a lineman to carry them manually.

• Double Sheave Support Rollers: These unique rollers are used to simultaneously pull the new OPGW cable and retrieve the old earth wire, ensuring a smooth, continuous process without dropping the conductors.

• OPGW Grips and Clamps: Specialized grips and clamps with long jaws designed to secure the OPGW cable without damaging the sensitive optical fibers inside.

• Anti-Twist Devices: Swivels and counterweights are crucial for preventing the OPGW cable from twisting during the stringing process, which could damage the internal fibers.