Electrical Engineering · Transmission Line Components
Which of the following statements is INCORRECT regarding a 'jumper' used in overhead lines?
- 1For high voltage lines, jumpers are arranged such that under maximum deflection conditions there is a specified minimum clearance between the line jumpers and other metallic parts.
- 2A jumper has the same current-carrying capacity as that of the line conductor.
- 3A jumper is made up of a different material than that of the line conductor to withstand the maximum voltage gradient.✓
- 4Jumpers are fixed to the line conductors with a suitable clamp.
Correct answer
A jumper is made up of a different material than that of the line conductor to withstand the maximum voltage gradient.
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