Household Electricity Flashcards
Blue wire
Neutral wire
Electricity leaves the plug
Left terminal
Brown wire
Live wire
Electricity enters plug and travels to appliance
Right terminal
Green and yellow wire
Earth wire
If fault develops it carries electricity to earth so doesn’t travel through user
Top terminal
Safety features of a plug
Fuse
Insulation
Earth wire
Plastic cover
Earth wire provides
Low resistance route to go through earth instead of a human body
How a fuse acts as a safety feature
If too much current flows through the wire melts and breaks the circuit
How double insulation protects the user
Appliance is completely covered in plastic which is an insulator
Power equation
Power (watts or joules) = I (current) x v (volts)
Energy transfer equation
Energy transfer = power x time
1 Watts to kilowatts
0.001
Reducing electricity bill
Turning off lights
Draught proofing windows and doors
Turning off electrical equipment
Using low light bulb
