plugs Flashcards
What is the purpose of a plug?
To connect electrical devices to an electrical supply.
What are the three main pins of a standard UK plug?
Live, Neutral, and Earth.
True or False: The live pin is longer than the neutral pin in a UK plug.
True.
Fill in the blank: The __________ pin is designed for safety and prevents electric shock.
Earth.
What material is commonly used for the casing of a plug?
Plastic.
Which pin is connected to the live wire?
The live pin.
What is the function of the fuse in a plug?
To protect the appliance from overcurrent by breaking the circuit.
Multiple choice: What is the standard voltage for domestic electrical appliances in the UK? A) 110V B) 230V C) 400V
B) 230V.
What color is the live wire in UK electrical systems?
Brown.
True or False: The earth pin is connected to the neutral wire.
False.
Fill in the blank: A __________ plug has a fuse and is designed to prevent electrical hazards.
BS1363.
What type of plug is commonly used in the United States?
Type A or Type B plug.
What is the primary safety feature of a plug?
The fuse.
Multiple choice: How many amps is a standard UK plug fuse usually rated at? A) 3A B) 5A C) 13A
C) 13A.
What happens if the fuse in a plug blows?
It breaks the circuit and stops the flow of electricity.
True or False: All plugs must be fitted with a fuse.
True.
What is the purpose of the plastic cover on a plug?
To provide insulation and prevent electrical shock.
Fill in the blank: The __________ wire carries current to the appliance.
Live.
What is the role of the neutral pin?
To complete the circuit by returning current to the source.
Multiple choice: Which component is NOT found in a plug? A) Fuse B) Capacitor C) Pins
B) Capacitor.
True or False: It is safe to use a plug without a fuse.
False.
What is the maximum current for a 3A fuse?
3 Amperes.
Fill in the blank: A plug must have a __________ to ensure it fits securely into a socket.
Shroud.
What is the function of the earth wire?
To provide a path for electrical current to ground in case of a fault.
Multiple choice: Which of the following is a sign of a faulty plug? A) Discoloration B) No visible damage C) Clean appearance
A) Discoloration.
What should you do if a plug is damaged?
Replace it immediately.