Soal Instalasi Listrik

Observe the following image, symbol A indicates ....

• the number of conductors is 1

• the number of conductors is 2

• the number of conductors is 3

• the number of conductors at the lamp

• the number of conductors at the switch

From the following image, if converted into a single line diagram, the correct answer is (a)  

What is the main function of a pigtail splice in electrical installations?

• Connecting cables to switches

• Combining several cables into one

• Extending the length of the cable

• Connecting cables to electronic devices

• Preventing electromagnetic interference

When making a pigtail splice, what should be done after twisting the cable ends together?

• Coat the joint with solder

• Use a terminal block to secure the joint

• Cover the joint with a twist-on connector (wire nut)

• Insulate the joint with electrical tape

• Insert the joint into a crimp connector

What type of cable is most commonly used in pigtail splices?

• Fiber optic cable

• Coaxial cable

• Stranded wire

• Solid wire

• Ribbon cable

The image below shows the type of cable connection ....

• Branch pigtail 2

• Branch pigtail 3

• Western union

• Bell hangers

• Duckbill

What is the main purpose of using an eye splice in electrical installations?

• Connecting cables to switches

• Connecting cables to terminals or binding screws

• Extending cables

• Connecting two cables into one

• Isolating cables from electromagnetic interference

How to make an eye splice on electrical cables?

• Use a crimping tool to press the connector onto the cable

• Twist the cable ends together with another cable

• Tie a knot at the end of the cable

• Use solder to join the cable ends

• Wrap the cable ends into a circle and bend them

What is the main advantage of using a Western Union splice?

• Easy to change and remove

• Reduces electrical resistance

• Provides a very strong and reliable connection

• Resistant to corrosion

• Improves the aesthetics of electrical installations

The image below shows the type of cable connection ....

• Branch pigtail 2

• Branch pigtail 3

• Western union

• Bell hangers

• Duckbill