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Electrical Safety & Home Wiring Knowledge Test
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What is the primary safety function of the third, round prong on many electrical plugs?
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Hint
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⚖️
50-50
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Audience
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A
It provides extra stability in the outlet
B
It's a spare conductor in case one of the others fails
C
It connects the appliance to the ground wire for protection
D
It allows the plug to be inserted only one way
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