Quiz on Single Phase Wiring System

What is the standard voltage for the electrical supply in Malaysia?

• 110V

• 230V

• 50V

• 400V

Which component protects the entire wiring system?

• Residual Current Device (RCD)

• Fuse

• Main Circuit Breaker (MCB)

• Individual Breaker

What color is the Live/Line conductor in a three-conductor wiring system?

• Red

• Brown

• Blue

• Green-Yellow

What type of wiring is used outside walls or ceilings?

• Flexible Wiring

• Underground Wiring

• Surface Wiring

• Concealed Wiring

What is the minimum distance required between a socket and a water source?

• 2 meters

• 1.5 meters

• 1 meter

• 0.5 meters

Which device is used to check continuity and leakage current?

• Oscilloscope

• Multimeter

• Clamp Meter

• Insulation Tester

What is a key advantage of a single-phase wiring system?

• Higher capacity for heavy loads

• More expensive than three-phase systems

• Easier to install and maintain

• Requires more complex wiring

What should be done before starting any electrical work?

• Notify the neighbors

• Wear safety goggles

• Turn off the electrical supply

• Check all tools