What Are the Components of Transmission Lines?
Transmission towers (support structures) keep the high-voltage conductors (power lines) separated from their surroundings and from each other. They can be open lattice metal structures or one or more wood or metal poles. Height can be over 150 feet with crossarms as much as 100 feet wide.
Conductors are metal wires, cables, and bus-bars used for carrying electric current. Conductors may be solid or stranded, that is, built up by an assembly of smaller solid conductors.
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