Preview Questions Electrician | Role Specific Skill

Question 1: According to the NEC, what is the maximum number of conductors allowed in a standard electrical box?

Which action should you take?

Choose only one option

4

2

12

6

Question 2: When diagnosing a light that flickers intermittently, which of the following is a potential cause?

Which action should you take?

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The fixture is too close to the ceiling

The light switch is too old

The room has too many electrical appliances

A faulty bulb or connection

Question 3: When installing outlets in a bathroom, what does the NEC require?

Which action should you take?

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All outlets must be 15-amp

No specific requirements exist for bathrooms

Only the outlet nearest to the sink needs to be GFCI protected

All outlets must be GFCI protected

Question 4: What is the maximum length of a 12 AWG copper wire for a 15-amp circuit without exceeding the voltage drop limit, based on NEC recommendations?

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50 feet

200 feet

100 feet

150 feet

Question 5: In residential wiring, which type of circuit is required by the NEC in kitchens to supply appliances?

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15-amp general-purpose circuits

30-amp dedicated circuits

40-amp dedicated circuits

20-amp individual branch circuits

Question 6: When troubleshooting an electrical system, what should you use to safely measure current in a live circuit?

Which action should you take?

Choose only one option

Continuity tester

Clamp meter

Insulation resistance tester

Voltage tester