What provides the link between the substation and the customer?

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The key idea is how electricity travels from a substation to customers. After the voltage is stepped down at the substation, power moves onto the distribution network. Transmission lines handle the long-distance, high-voltage part, but the path from the substation toward homes and businesses is the distribution network. These distribution lines carry the power through neighborhoods and commercial areas and are the main link between the substation and customers. Service lines are the final short drop from the distribution system into a specific customer’s building, but the broader connection from substation outward is provided by distribution lines.