Electricity 1

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Electricity 1

  1. 1. ElectricityElectricity © PDST Home Economics
  2. 2. ElectricityElectricity Clean, efficient.Clean, efficient. Not a fuel it is aNot a fuel it is a direct form ofdirect form of energyenergy Some electricity isSome electricity is generated fromgenerated from fuels in powerfuels in power stations.stations.
  3. 3. Domestic electricityDomestic electricity supplysupply Enters house throughEnters house through service cableservice cable Passes through ESBPasses through ESB fuse, meter and thefuse, meter and the into main fuse box.into main fuse box. Fuse box has mainFuse box has main switch whereswitch where electricity can beelectricity can be switched off forswitched off for repairs.repairs. Wires go from theWires go from the fuse box briningfuse box brining electricity around theelectricity around the househouse
  4. 4. Electric flexesElectric flexes All appliances have atAll appliances have at least 2 wiresleast 2 wires Brown = Live bringsBrown = Live brings electricity intoelectricity into applianceappliance Blue = Neutral, bringsBlue = Neutral, brings electricity out of theelectricity out of the appliance back toappliance back to power stationpower station Green/yellow = earthGreen/yellow = earth wire, safety devicewire, safety device that takes current tothat takes current to earth should a faultearth should a fault developdevelop
  5. 5. Uses ofUses of electricity inelectricity in the homethe home CookingCooking Space HeatingSpace Heating Water heatingWater heating LightingLighting Running appliancesRunning appliances
  6. 6. FusesFuses http://www.flickr.com/photos/ianlloyd/
  7. 7. FusesFuses http://www.flickr.com/photos/ianlloyd/

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