Preview Questions Electrician | Role Specific Skill

Question 1: In circuit design, when connecting a GFCI outlet to an existing circuit, what wire type should be used?

Which action should you take?

Choose only one option

14 AWG copper wire

18 AWG copper wire

10 AWG aluminum wire

12 AWG copper wire

Question 2: In electrical troubleshooting, what should you do first when diagnosing a no-power issue in a circuit?

Which action should you take?

Choose only one option

Verify the type of wire used in the installation

Measure the voltage drop in the entire circuit

Inspect the insulation of wires

Check if the circuit breaker is tripped or fuse is blown

Question 3: What should be the minimum depth at which electrical wiring is installed in a wall to comply with safety regulations?

Which action should you take?

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At least 3/4 inch deep for non-metallic sheathed cable in residential areas

At least 2 inches deep for all types of wiring

There is no required depth as long as it is out of sight

1 inch deep for residential and commercial wiring

Question 4: When troubleshooting a malfunctioning appliance, how do you determine if the issue is internal to the appliance or a wiring problem?

Which action should you take?

Choose only one option

Unplug the appliance and test the circuit for continuity

Test the appliance for power at the outlet

Check the power supply voltage at the appliance's input

Measure the resistance of the appliance

Question 5: According to the NEC, what is the minimum number of receptacles required in a kitchen countertop circuit for a residential installation?

Which action should you take?

Choose only one option

2

4

3

1

Question 6: According to the NEC, which of the following grounding methods is acceptable for a water pipe in a residential building?

Which action should you take?

Choose only one option

Use a copper grounding rod

Directly connect to the neutral conductor

Use an existing electrical outlet box

Use a ground clamp on the metal water pipe