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Domestic electricity

WJEC 3420QS — matched to your course.

Mains electricity, plugs and cables, electrical power, energy and household safety.

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Domestic electricity

Tailored to WJEC 3420QS.

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Subtopics and study areas

  • Distinguish live, neutral and earth conductors and explain their safety roles.
  • Use electrical power and energy equations in domestic contexts.
  • Explain how fuses, circuit breakers and earthing reduce electrical risk.
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