Preview Questions Electrician | Role Specific Skill

Question 1: What approach should an Electrician take when troubleshooting a circuit that is not receiving power?

Which action should you take?

Choose only one option

Use a voltmeter to test only the outlet

Test the main power feed, inspect connections at the panel, verify the breaker operation, and check for any interruptions in the circuit

Assume the power supply is fine and focus on individual outlets

Replace the breaker and reset the system

Question 2: When installing recessed lighting, what is the recommended type of wiring to use for a 120V circuit in a residential ceiling installation?

Which action should you take?

Choose only one option

18 AWG copper wire

12 AWG aluminum wire

10 AWG copper wire

14 AWG copper wire

Question 3: How should an Electrician properly install electrical outlets and switches to meet safety and functionality standards?

Which action should you take?

Choose only one option

Ignore spacing and positioning, as long as they fit

Install without grounding and assume safety

Install outlets and switches arbitrarily without checking code

Install outlets and switches at code-compliant heights and positions, ensuring the correct wiring and proper grounding for each device

Question 4: How do you ensure proper overcurrent protection when designing circuits for electrical appliances?

Which action should you take?

Choose only one option

By using the smallest breaker available to minimize costs

By sizing circuit breakers or fuses based on the manufacturer's specifications and NEC guidelines

By eliminating breakers and relying on fuses

By using the largest breaker available to handle any load

Question 5: According to the NEC, which of the following is required for electrical panels installed in dry, residential areas?

Which action should you take?

Choose only one option

They must be accessible and clearly labeled

They must have double-pole breakers

They must be mounted 24 inches above the floor

They must be installed in a well-ventilated area

Question 6: When installing lighting in wet or damp locations, which NEC article provides specific guidelines?

Which action should you take?

Choose only one option

NEC 690

NEC 300

NEC 410

NEC 110