Concept:Illegal electricity connections cause overloading and safety hazards, but they do not increase the flow of current in the supply chain.Explanation:Illegal connection can lead to fire outbreak, damage to electrical appliances, and frequent power cut-off due to overloading.These are direct effects of uncontrolled extra current in the illegal connection.It is not a result of illegal connection to increase the flow of current in the supply chain itself.Answer:C. increase the flow of current in the supply chain