Sample interview questions: What steps would you take to troubleshoot a malfunctioning electrical switch?
Sample answer:
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Verify the power supply: Ensure that the switch is receiving power by checking the electrical panel or breaker box. Reset any tripped breakers or fuses.
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Inspect the switch: Examine the switch for any visible damage, such as loose wires, burned terminals, or a broken toggle.
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Test the switch with a multimeter: Set the multimeter to the continuity setting and probe the switch terminals. When the switch is in the “on” position, the multimeter should indicate continuity; when switched “off,” it should indicate an open circuit.
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Check the wiring connections: Inspect the wiring connected to the switch to ensure that it is secure and not frayed or damaged.
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Disconnect the switch: Read full answer
Source: https://hireabo.com/job/12_1_2/Electrician%27s%20Apprentice