Ujian Elektrik dan Penebatan

What is the first step before conducting electrical testing?

• Install a new load

• Disconnect the power supply

• Connect the earth cable first

• Test the MCB

What PPE is mandatory when conducting cable insulation tests?

• Rubber gloves

• Safety helmet

• Ear protection

• Face mask

Why is it important to check testing equipment before use?

• To ensure it is lightweight

• To avoid false readings and accidents

• To make work easier

• To save time

When conducting voltage tests, the power supply must be:

• Turned off

• Turned on

• Disconnected at neutral only

• Disconnected at phase only

Why is insulation used on the handle of testing tools?

• To reduce costs

• To prevent electric shock

• To ease grip

• To reduce weight

The device used to measure electric current is:

• Voltmeter

• Ammeter

• Ohmmeter

• Megger

The device used to measure voltage is:

• Ohmmeter

• Ammeter

• Voltmeter

• Megger

The device used to test cable insulation resistance is:

• Megger

• Multimeter

• Test pen

• Clamp meter

To test for earth leakage current, use:

• RCD tester

• Ammeter

• Voltmeter

• Clamp meter

A multimeter can be used to measure:

• Voltage, current, and resistance

• Voltage only

• Current only

• Resistance only