P2 5.2: Cables and plugs.

All information was taken directly from the AQA revision guide with only the key points from P2 5.2.

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  • Created by: JSpencer
  • Created on: 07-03-16 18:03
How do we connect to a socket?
Using a cable and a three pin plug.
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What is the outer cover of a plug made out of? Why?
Plastic or rubber as it is a good insulator.
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What are the pins in the plug made of? Why?
Brass, good conductor, hard and won't oxidise.
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What is the longest pin?
The earth wire.
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Why do we have a cable grip?
So that you can't see any of the wires.
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Where must the cables be?
Firmly connected to the terminal of the correct pin.
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What is the brown wire connected to?
The live pin.
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What is the blue wire connected to?
The neutral pin
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What is the green and yellow wire connected to?
Earth pin.
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What does a 2 core cable not have?
An earth wire.
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What must appliances with metal casing be? How?
Earthed, the case is attached to the earth wire in the cable.
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Why are plastic cased appliances not earthed?
As they have double insulated.
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What type of cable would you have with more current?
A thicker cable.
13 of 13

Other cards in this set

Card 2

Front

What is the outer cover of a plug made out of? Why?

Back

Plastic or rubber as it is a good insulator.

Card 3

Front

What are the pins in the plug made of? Why?

Back

Preview of the front of card 3

Card 4

Front

What is the longest pin?

Back

Preview of the front of card 4

Card 5

Front

Why do we have a cable grip?

Back

Preview of the front of card 5
View more cards

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