Which term describes a non-conductive material used to insulate wires in electrical work?

Which term describes a non-conductive material used to insulate wires in electrical work?

• A. Capacitor
• B. Resistor
• C. Insulator
• D. Conductor

Answer: (C)

A non-conductive material used to insulate wires is called an insulator. An insulator resists the flow of electric current, creating a protective barrier around conductors to prevent shocks, short circuits, and energy loss. In practice, wires are wrapped or coated with insulating plastics or rubbers—think PVC, rubber, or silicone—often with an outer jacket for additional protection. This concept is distinct from a conductor, which allows current to flow freely, and from components like a capacitor or resistor, which are active devices with specific electrical functions. So the term you’re looking for is insulator.

A non-conductive material used to insulate wires is called an insulator. An insulator resists the flow of electric current, creating a protective barrier around conductors to prevent shocks, short circuits, and energy loss. In practice, wires are wrapped or coated with insulating plastics or rubbers—think PVC, rubber, or silicone—often with an outer jacket for additional protection. This concept is distinct from a conductor, which allows current to flow freely, and from components like a capacitor or resistor, which are active devices with specific electrical functions. So the term you’re looking for is insulator.