Code, Standards and Practices 1 2023 Code

Article 100

100

What is contained in Article 100

What is definitions.

200

How many different parts are in Article 100

What is zero.

300

  ?   is defined as the case or housing of apparatus, or the fence or walls surrounding an installation to prevent personnel from accidentally contacting energized parts or to protect the equipment from physical damage.

1. Barricade 
2. Blocking device 
3. Enclosure 
4. Vault 

What is (C) enclosures

400

A   ?   is defined as an enclosure that is designed for either surface mounting or flush mounting and is provided with a frame, mat, or trim in which a swinging door or doors are or can be hung.

1. breaker enclosure 
2. cabinet 
3. load center 
4. panelboard 

What is (B) cabinet

500

A single cell or a group of cells connected together electrically in series, in parallel, or a combination of both is the definition of   ?  .

1. battery 
2. circuit 
3. DC circuit 
4. flow battery 

What is (A) battery

Article 90

100

The purpose of the National Electrical Code is the practical safeguarding of persons and   ?   from the hazards arising from the use of electricity. With reference

1. buildings 
2. devices 
3. equipment 
4. property 

What is (D) property

90.2(A)

200

Permissive rules in the NEC are those that identify actions that are allowed but not required, are normally used to describe options or alternative methods, and are characterized by the use of the terms shall be permitted or   ?  . with reference

1. shall be accepted 
2. shall be allowed
3. shall not be prohibited 
4. shall not be required 

What is (D), Shall not be required

90.5(B)

300

Which of the following units will appear first in the NEC when measurements are used? With reference

1. Inch-pound units 
2. SI units 

What is (B), SI units

90.9(B)

400

An informational note in Article 90 states that the format and language used in the Code follows guidelines established by NFPA and published in the   ?  .

1. Language Style Manual
2. Manual of Style 
3. NEC Style Manual 
4. Procedures Manual 

What is (C), NEC style manual

500

  ?   information relative to the use of the NEC is provided in informative annexes and is not part of the enforceable requirements of the NEC. With reference

1. Explanatory 
2. Mandatory 
3. Nonmandatory 
4. Specific 

What is (C), nonmandatory

90.5(D)

Grab Bag

100

Unguarded live parts above a working space operating at 10,000 volts, nominal, shall be maintained at elevations not less than   ?  . With reference. 

1. 9' 
2. 9'6" 
3. 10' 
4. 10'6" 

What is (B), 9'6". 

NEC Table 110.34(E)

200

“The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)“ is the definition for which of the following? With Reference

Answer:

1. Branch circuit (100%)
2. Electrical circuit protective system (0%)
3. Home-run circuit (0%)
4. Individual circuit (0%)

What is (A), branch circuit

Article 100

300

The conductors and equipment required or permitted in the NEC shall be acceptable only if   ?  . With reference

1. approved 
2. labeled 
3. listed 
4. tested by a nationally recognized testing laboratory 

What is (A), approved

Article 110.2

400

Compliance with the NEC and proper   ?   result in an installation that is essentially free from hazard but not necessarily efficient, convenient, or adequate for good service or future expansion of electrical use. With reference

1. application 
2. guidance 
3. maintenance 
4. training 

What is (C), maintenance 

Article 90.2(B)

500

Conductors and cables in a tunnel installation are required to be located   ?   the tunnel floor to protect them from physical damage. With reference 

1. above 
2. in concrete below 
3. in schedule 40 rigid metallic conduit provided it is installed 
4. in schedule 80 rigid metallic conduit above 

What is (A), above

Article 110.51(B)

Article 110

100

The width of the working space in front of the electrical equipment less than 1,000 volts, nominal, or less shall be the width of the equipment or   ?  , whichever is greater and the work space shall permit at least a 90-degree opening of equipment doors or hinged panels. With reference

1. 24" 
2. 30" 
3. 32" 
4. 36" 

What is (B), 30"

Article 110.26(A)(2)

200

Round access openings in a manhole shall not be less than   ?   in diameter. With reference 

1. 24" 
2. 26" 
3. 28" 
4. 32" 

What is (B), 26"

Article 110.75(A)

300

Bare terminals of transformers, switches, motor controllers, and other equipment installed in a tunnel shall be   ?   to prevent accidental contact with energized parts. With reference. 

1. barricaded 
2. enclosed 
3. guarded 
4. protected 

What is (B), enclosed

Article 110.56

400

In an outdoor installation, under 1,000 volts, nominal, there is a requirement for a dedicated equipment space equal to the depth and width of the equipment and extending from grade to a height of   ?   above the equipment. With reference 

1. 6' 
2. 8' 
3. 10' 
4. 12' 

What is (A), 6'

Article 110.26(E)(2)(c)

500

Covers shall be over   ?   lbs or otherwise designed to require the use of tools to open and designed or restrained so they cannot fall into the manhole or protrude sufficiently to contact electrical conductors or equipment within the manhole. With reference

1. 75 
2. 100 
3. 125 
4. 150 

What is (B), 100

Article 110.75(D)

section 300

100

Article article is EMT listed in?

What is Article 358.

200

What is the minimum radius of 1/2 greenfield. With reference

What is 12 1/2"

Table 360.24(A)

300

How often are you required to staple romex wiring. With reference

What is every 4 1/2' and 12" from a box.

Article 334.30

400

What is the legal depth for installing rigid metal conduit in the yard at a single family dwelling. With reference 

What is 6"

Table 300.5(A)

500

What is the allowable cable fill area (in inches) for three multiconductor cable in 4" solid channel cable trays for cables rated 2000 volts  or less? With reference. 

What is 2.1 inches square. 

Table 392.22(A)(6)