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  1. GCSE
  3. Physics AQA
  5. 2.3.2 Mains electricity

2.3.2 Mains electricity

Spec 8463

Revise AQA GCSE Physics 2.3.2 Mains electricity with the question bank, lessons, revision guides, and flashcards.

Most electrical appliances are connected to the mains using three-core cable. • The insulation covering each wire is colour coded for easy identification: live wire – brown, neutral wire – blue, earth wire – green and yellow stripes. • The live wire carries the alternating potential difference from the supply. The neutral wire completes the circuit. The earth wire is a safety wire to stop the appliance becoming live.

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