CABLE AND WIRING ACCESSORIES

1. What types of conductors are often used in electrical cables?

• Aluminium 

• Silver

• Copper

• Semua di atas

What is the main function of insulation in electrical cables?

• Increases cable strength

• Protect the conductor from damage

• Prevents electrical current from leaking

• Increase the color of the cabbage

The size of the cable used to connect common household appliances such as refrigerators is usually:

• 1.5 mm² 

• 2.5 mm² 

• 4.0 mm² 

• 6.0 mm²

What is the maximum current for 5 units of filament lamps with a power of 40 watts?

• 0.83

• 0.80

• 0.85

• 0.79

The diagram shows the type of cable !

• single core cable

• 2 core cable

• flexible cable

• 3 core cable

What is the main function of conductor in electrical cables?

• conductor is a substance that allows free flow of electrons or current.

• conductor is a substance that allows free flow of voltage.

• conductor is a substance that allows free flow of power.

What are the items label (a) and (b)

• conductor and insulator

• insulator and conductor

• conductor and core

• insulator and core

What is the type of switch on S2

• One Way Switch

• Two way switch

• 3 way switch

• 4 way switch

Name the following wiring accessories

• Main Switch

• RCCB

• MCB

• ELCB

Name the following wiring accessories

• Fan Switch

• One Way Switch

• Two way switch

• Intermediate Switch