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What are the advantages and disadvantages of steel in electrical wiring?
Wiki User
∙ 8y ago
The electrical resistance of steel is too high for use directly as electrical wiring.
However a single steel reinforcing wire at the center of a bundle of copper or aluminum wires making one high voltage conductor adds tensile strength permitting longer spacing between poles or towers.
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoThe only place that there is steel in wiring is in overhead high voltage conductors and triplex and quadplex that is used for service drops to homes and commercial / industrial services. The electrical terminology is ACSR (Aluminium Conductor Steel Reinforced). It is installed as the centre strand in the aluminium conductors to support the conductors over span lengths from utility pole to pole. Without the steel support the weight of the aluminium wire would create a large sag. These large sags could create a line to line short when the wind blows thereby knocking out the fuses protecting the three phase lines.
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