The clothes iron shown in Fig. 6.1 is connected to the electrical mains. [Figure 6.1]

1. (a)The boxes in the left column below contain some electrical hazards. The boxes in the right column contain methods of protection from these hazards. For each hazard, draw one line to the appropriate method of protection. electrical hazard worn insulation on the cable to the iron loose live wire in the iron touches its metal case cable becomes too hot because current is too high method of protection earth wire and fuse in plug correctly connected to iron circuit breaker correctly connected in circuit visual check of cable before connecting to mains[2]
2. (b)(i)The power of the iron is 1200W. The cost of 1 kWh of electrical energy is 20 cents (20c). Define the kilowatt-hour (kWh).[1]
3. (b)(ii)The iron is on at full power for 20 minutes. Calculate the cost of running the iron for this time. cost =[2]

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