Chapter 4 Equipment For General Use Flashcards
What does Chapter 4 of the NEC focus on?
Equipment for general use, including luminaires, heaters, motors, air-conditioning units, generators, and transformers.
This chapter helps apply the first three chapters to installations involving general equipment.
What is covered in Article 422 of Chapter 4?
Electric appliances used in any occupancy, including dishwashers, water heaters, ovens, and cooktops.
Appliances are defined as utilization equipment that performs one or more functions.
What type of equipment does Article 424 address?
Fixed electric space-heating equipment, including heating cable, unit heaters, boilers, and central systems.
This article does not apply to process heating or room air-conditioning.
What does Article 430 cover?
Specific requirements for motors, motor circuits, and controllers, including conductor sizing and over-current protection.
This article has fourteen parts, the most in the Code.
What is the focus of Article 440?
Electrically driven air-conditioning equipment with a motorized hermetic compressor.
The requirements in this article amend those in Article 430.
What does Article 445 pertain to?
The electrical installation requirements for portable and stationary generators.
Both types of generators are required to be listed.
What key aspects does Article 445 cover regarding generators?
Location, nameplate markings, conductor ampacity, and disconnects.
These installation requirements ensure safe and compliant generator use.
What is the main topic of Article 450?
Installation requirements for transformers, including overcurrent protection and disconnect location.
Understanding Table 450.3(B) is important for proper protection.
Fill in the blank: Article 424 covers _______ electric space-heating equipment.
fixed
True or False: Article 430 has the least number of parts in Chapter 4.
False
