Preview Questions Electrician | Role Specific Skill

Question 1: What is the correct approach to running electrical cables across beams or ceilings in commercial buildings?

Which action should you take?

Choose only one option

Secure cables in accordance with the code, using proper clips, supports, and spacing to prevent physical damage and maintain code compliance

Use larger cables without securing them

Leave cables unsupported to reduce time

Use any available cable without consideration for safety

Question 2: How does the NEC classify circuits that are connected to photovoltaic systems?

Which action should you take?

Choose only one option

Class 1 circuits

Class 3 circuits

Class 2 circuits

Special conditions circuits

Question 3: According to the NEC, how should you install wiring for outdoor lighting?

Which action should you take?

Choose only one option

With standard wiring methods as long as they are enclosed

By using smaller wire sizes for flexibility

Using GFCI-protected outlets and weatherproof enclosures for connections

By running the wiring in unprotected conduit

Question 4: What is the most common cause of an electrical shock when troubleshooting live circuits?

Which action should you take?

Choose only one option

Failing to ground test equipment

Contacting a live wire or terminal without proper insulation

Using the wrong type of test equipment

Inadequate circuit protection

Question 5: How can an Electrician ensure that the electrical wiring is properly protected from physical damage?

Which action should you take?

Choose only one option

Use unprotected wires in all areas

Install wiring without considering protection in high-traffic areas

Use flexible conduit only for exposed areas

Use appropriate raceways, conduits, and armored cables to protect wiring from physical damage, considering environmental conditions

Question 6: When designing a commercial electrical system, which NEC standard ensures proper grounding and bonding of electrical components?

Which action should you take?

Choose only one option

NEC 400

NEC 600

NEC 300

NEC 250