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More cards in this set
Card 26
Front
What are the 3 wires of a three-core cable?
Back
Card 27
Front
What are the colours for each wire?
Back
Card 28
Front
What is the function of the live wire?
Back
Card 29
Front
What is the function of the neutral wire?
Back
Card 30
Front
What is the function of the earth wire?
Back
Card 31
Front
What is the p.d between the live and earth wire?
Back
Card 32
Front
Which wire only carries the current when there is a fault?
Back
Card 33
Front
When a charge flows through a circuit, what is done?
Back
Card 34
Front
What is the National Grid?
Back
Card 35
Front
What are step-up transformers used to do?
Back
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