NS Term 3
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Where does mains electricity come from?
Power stations.
The flow of electricity: Power Stations, ____, Pylons, Step-down Substations, _____, Wall Sockets
Step-up Transformers; Electricity Boxes
All power sources need a source of ______.
Energy.
Coal-fired power stations use ____ which they ____.
Coal; burn
The heat is used to make _______.
Electricity
South Africa uses the following sources of energy to make electricity: Water: \_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_: Wind turbines \_\_\_\_: Nuclear power plants Gas: \_\_\_\_\_\_\_\_\_\_ Sun: \_\_\_\_\_\_\_\_\_\_
Hydro-electric power; wind; nuclear; gas turbines; solar panels
Check your _____ regularly.
Appliances
The ______ do not work correctly (faulty).
Controls
Parts are ____.
Loose
Only use ________ plugs.
SABS- approved
Do not _____ a wall socket. Use an _____.
Overload; adaptor
Do not pull the plug out form the _____.
Cord
Do not stick your _____, _____ or anything else into the wall socket.
Fingers; bare wires
Do not use cords that are _____ or _____; make sure that they are ________ insulated.
Worn; frayed; completely
Do not put cords near _____, under ____ or where ______ _____.
Heat; mats; people walk.