Preview Questions Electrician | Role Specific Skill

Question 1: How do you ensure that electrical installations are safe and up to code when working in a commercial or residential project?

Which action should you take?

Choose only one option

By performing a series of safety checks, including grounding, insulation, and overcurrent protection

By only working with pre-assembled systems

By relying on verbal instructions from the project manager

By following personal experience without checking regulations

Question 2: What is the most effective method for troubleshooting an electrical motor that fails to start?

Which action should you take?

Choose only one option

Test the motor with the system powered on without proper protection

Only inspect the wiring without testing components

Replace the motor immediately

Check the motor's power supply, verify continuity of the windings, and test the start capacitor and overload protection devices

Question 3: What should an Electrician do if they encounter a low voltage issue in an outlet circuit?

Which action should you take?

Choose only one option

Replace the outlets without testing

Check the voltage drop across the wiring, test connections, and verify the load to ensure the circuit is not overloaded

Test the wiring for breaks and replace wires without further investigation

Ignore the voltage issue and proceed with other tasks

Question 4: How do circuit breakers function in electrical systems, and what role do they play in protecting wiring?

Which action should you take?

Choose only one option

They interrupt the flow of electricity if the current exceeds a safe limit, preventing overheating and fire hazards

They only protect the grounding system from faults

They allow the current to flow freely until a short circuit occurs

They maintain a constant current, avoiding fluctuation

Question 5: What tool should an Electrician use to detect an open neutral in an electrical system?

Which action should you take?

Choose only one option

Ignore the issue if there is no visible damage

Only use a voltage tester

Use a multimeter or clamp meter to check for voltage imbalances between the hot and neutral wires, which would indicate an open neutral

Use a continuity tester only for the hot wire

Question 6: When installing an outlet in a garage, according to NEC 210.52, which of the following requirements must be met?

Which action should you take?

Choose only one option

GFCI protection must be provided

No special requirements

Outlet must be weather-resistant

Outlet must be placed within 10 feet of a window