8. a) The circuit in the figure at the right shows that the HN & HG lights go on when the Kill-a-Watt meter is plugged i

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8 A The Circuit In The Figure At The Right Shows That The Hn Hg Lights Go On When The Kill A Watt Meter Is Plugged I 1 (58.39 KiB) Viewed 62 times

8. a) The circuit in the figure at the right shows that the HN & HG lights go on when the Kill-a-Watt meter is plugged into a properly wired outlet. The circuit given below the first shows the light pattern obtained when the Kill-A-Watt meter is HN NG HO Co Wiring KELIA-Hatt Meter HOT 1 12 HN Neutral plugged into an outlet where the electrician who wired the outlet made a mistake. What did the electrician do wrong? HG NG Ground HN NG HG K111-1-watt Meter H H HN N HG NG G a b) Explain what a fuse is and what its' disadvantage is compared with a circuit breaker. c) A three wire connection to your refrigerator protects you from being electrocuted in case a low resistance short develops between the hot side of the line and the case on the refrigerator. Explain how a higher resistance leak between the hot side of the line and the case could cause you to be electrocuted and why, in this case, the three wire plug does not protect you.