Electricity in the Home

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  • Electricity in the Home
    • Hazards
      • Long Cables
      • Frayed cables
      • Cables next to something wet or hot
      • Water near sockets
      • Putting things into sockets
      • Damaged plugs
      • Too many plugs in one socket
      • Lighting sockets without bulbs in
      • Appliances without their covers on
    • Wires
      • Live
        • Brown
        • Alternates between high positive and negative voltage
      • Neutral
        • Blue
        • 0 V
      • Earth
        • Green and yellow striped
        • Works with fuse to prevent fire and shocks
        • Carries electricity to earth
    • Getting the wiring right
      • The right coloured wire is connected to each pin
        • Each wire is firmly screwed in
      • No bare wires showing inside the plug
      • Cable grip tightly fastened over the cable outer layer
      • Different appliances need different amounts of electrical energy
        • Thicker cables have less resistance, so they carry more current
    • Plug features
      • The metal parts are made out of copper
        • Copper is a good conductor
      • Case, cable grip and cable insulation are made out of rubber or plastic
        • Good insulator and are flexible
      • These materials keep the electricity flowing correctly


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