National Electrical Code Open DOC.(NEC) Quiz

What is the primary purpose of Article 90 in the National Electrical Code (NEC)?

• To provide a design specification manual

• To ensure the practical safeguarding of persons and property from electrical hazards

• To ensure installations are efficient and convenient

• To provide a step-by-step guide for electrical installations

According to Article 90, what is NOT necessarily ensured by the NEC?

• Efficiency of the installation

• Practical safeguarding from electrical hazards

• Convenience of the installation

• Ability to accommodate future expansion

What does Article 90 emphasize about the Code rules?

• They are easy to remember

• They are not important for simple installations

• The necessity of carefully studying them

• They are only for complex installations

Which chapter of the NEC contains requirements for communication systems?

• Chapter 5

• Chapter 6

• Chapter 7

• Chapter 8

What does the NEC ensure about an electrical installation if it is in compliance with the Code?

• It is efficient and convenient

• It is essentially free from electrical hazards

• It is suitable for future expansion

• It is adequate for good service

What is the balance of Article 90 intended to provide the reader with?

• A design specification manual

• Information essential to understanding the Code rules

• A step-by-step guide for electrical installations

• A list of electrical hazards

What is the purpose of the explanatory design of a textbook as mentioned in Article 90?

• To provide a design specification manual

• To help in understanding the Code rules

• To ensure installations are efficient and convenient

• To provide a step-by-step guide for electrical installations

What does the NEC cover in terms of installations?

• Installations used to import electric power from premises wiring to vehicles

• Installations used to export electric power from vehicles to premises wiring

• Installations used to export electric power from premises wiring to vehicles

• Installations used to import electric power from vehicles to premises wiring

What is Chapter 8 of the NEC concerned with?

• General requirements for electrical installations

• Requirements for communications systems

• Requirements for special equipment

• Requirements for special occupancies

What is the purpose of the tables in Chapter 9 of the NEC?

• To calculate raceway sizing and conductor fill

• To calculate the radius of raceway bends

• To calculate conductor voltage drop

• All of the above