Paper One - Electrical Theory PAPER 1 Electrical Theory 5. Wires, Cables, and Protective Devices Wires, Cables, and Protective Devices o Different Types of Wires and CablesWires and Cables: Types and Applications Principle/Working MechanismDefinition:Wires: Single or stranded conductors (usually copper/aluminum) for electrical connections.Cables: Multiple insulated wires bundled together for power/data transmission.Key Terms:TermDefinitionSymbolUnitConductorMaterial allowing current flow (Cu/Al)–Ω⁻¹.m⁻¹ (Conductivity)InsulationNon-conductive...