Preview Questions Electrician | Role Specific Skill

Question 1: When installing outlets and switches, how should an Electrician ensure proper wiring?

Which action should you take?

Choose only one option

Follow the wiring diagram, ensuring the correct connections for hot, neutral, and ground wires, and use the appropriate wire gauge

Use a single wire for all connections

Use smaller wires than required to save costs

Use any wire for all outlets

Question 2: If a breaker is tripping repeatedly, what is the most likely cause?

Which action should you take?

Choose only one option

The circuit is underutilized and the breaker is unnecessary

The breaker is faulty and needs to be replaced

The wiring insulation is too thick

There is an overload or short circuit in the circuit

Question 3: When installing an electrical panel, what is the required distance between the panel and any obstruction, such as a wall or shelving?

Which action should you take?

Choose only one option

At least 6 feet

At least 18 inches

At least 12 inches

At least 3 feet

Question 4: In three-phase circuits, what is the best method to check for phase imbalance when troubleshooting the system?

Which action should you take?

Choose only one option

Measure the voltage between each pair of phases

Check for physical damage to the wires

Test the individual loads on each phase

Measure the total current on each phase

Question 5: What tool is most commonly used to check for a live wire during electrical installation?

Which action should you take?

Choose only one option

A voltage tester or multimeter

A hammer

A pipe wrench

A circuit breaker

Question 6: What is the best practice for running electrical wiring through a wall to avoid future issues?

Which action should you take?

Choose only one option

Use flexible, non-metallic conduit and leave excess wiring inside the wall

Use any available space inside the wall without regard for code compliance

Just run the wire through the shortest path without any additional securing

Run wires through holes drilled in studs, securing them with wire clamps and following code