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Household Electricity Quiz. Click the switch to begin. Question 1. Brown. What colour is the neutral wire inside a plug ?. Blue. Yellow & Green stripes. ?. Help !. Red. Question 2. Outer Cable. Inside the plug, which wire always has the fuse connected to it ?. Live. Neutral. ?.
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Household Electricity Quiz Click the switch to begin.
Question 1 Brown What colour is the neutral wire inside a plug ? Blue Yellow & Green stripes ? Help ! Red
Question 2 Outer Cable Inside the plug, which wire always has the fuse connected to it ? Live Neutral ? Help ! Earth
Question 3 Outer Insulation Which of the wires is a safety wire and does not normally have current flowing in it live Neutral ? Help ! Earth
Question 4 To the fuse Where inside the device is the earth wire connected. To the cord grip To the metal parts of the case ? To the plastic parts of the case Help !
Question 5 Cold water pipe Where is the other end of the earth wire connected ? To the generators To the main house fuse ? To the electricity meter Help !
Question 6 Steel What metal is used to make the centre of electrical cables ? Aluminium Brass ? Help ! Copper
Question 7 Television An R.C.D. or residual current device is a safety device fitted within a special power socket. Which device should you always use an r.c.d. with ? Hair dryer Electric Lawn mower ? Help ! Electric Iron
Question 8 Earth terminal Which part of a plug holds the plug onto the cable ? Live terminal Cord grip ? Help ! Earth wire
Question 9 Electric shower Which of these devices must have its own cable and cannot be run from the normal sockets ? Table lamp Television ? Help ! Fridge
Question 10 Circuit Breaker Which of these is not a safety device ? Residual current device 13 A plug ? Help ! Fuse
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Question 9 : Help Screen The most current a normal plug can carry is 13 A. A device has to have its own cable and circuit if the current it uses would be more than 13 A. The more powerful the device, the more current it takes. Devices which are made to heat up always use a lot more power than those which are not meant to heat up. Back
Question 10 : Help Screen Electricity is dangerous and can easily kill you. We therefore use several different ways to make sure we are safe. Our homes will have several different fuses to protect both individual devices, and whole circuits. These days circuit breakers are more common than fuses because they are easier to reset. Residual current devices give extra protection when using devices that could cut the cable. The earth wire also helps protect devices which have metal cases which could become live. Back