Preview Questions Electrician | Role Specific Skill

Question 1: When installing outdoor lighting circuits, which wiring method should be used for maximum safety and durability?

Which action should you take?

Choose only one option

Use underground feeder (UF) cable

Use armored cable

Use flexible conduit

Use Romex cable

Question 2: When diagnosing a faulty light fixture, which of the following is the first step to take when troubleshooting?

Which action should you take?

Choose only one option

Test the switch for continuity

Check the bulb for a fault or loose connection

Check the circuit breaker for overloading

Measure the voltage at the fixture terminals

Question 3: What is the primary function of a junction box in an electrical installation?

Which action should you take?

Choose only one option

To store extra wire lengths for future adjustments

To house electrical connections, protecting them from external elements and preventing short circuits

To connect multiple power sources

To regulate the current flowing through the system

Question 4: How do you ensure proper protection against overcurrent in an electrical circuit design?

Which action should you take?

Choose only one option

By using fuses only and ignoring circuit breakers

By assuming that the electrical panel is always large enough to handle any load

By selecting a circuit breaker that matches the wire size and load requirements of the circuit

By choosing a circuit breaker with the smallest rating possible

Question 5: What is the NEC standard for the installation of electrical receptacles in wet areas such as kitchens and bathrooms?

Which action should you take?

Choose only one option

Receptacles must be tamper-resistant

Receptacles must be GFCI-protected

Receptacles must be inaccessible

Receptacles must be isolated from the grounding system

Question 6: According to the National Electrical Code (NEC), what is the maximum allowable voltage for a Class 1 low-voltage circuit?

Which action should you take?

Choose only one option

100V

50V

12V

24V