Question 1

Hazardous (classified) locations divide atmospheric identifications for Class I, Divisions 1 and 2, locations into ____.

Accepted Answer

A)  Groups 1A and 2A 
B)  Categories A and B 
C)  Categories A, B, C and D 
D)  Groups A, B, C, and D 
A)  Groups 1A and 2A 
B)  Categories A and B 
C)  Categories A, B, C and D 
D)  Groups A, B, C, and D

Question 2

Type PVC conduit and Type RTRC conduit can be used when first surrounded by at least ____ of concrete, followed by a minimum cover of 24 in. (top of conduit to grade).

Accepted Answer

A)  2 in. 
B)  4 in. 
C)  8 in. 
D)  12 in. 
A)  2 in. 
B)  4 in. 
C)  8 in. 
D)  12 in.

Question 3

Sealing compound shall ____.

Accepted Answer

A)  have a melting point of 93° F or higher 
B)  cement sections of conduit together 
C)  not be affected by surrounding atmosphere or liquids 
D)  provide a seal against the passage of sparks 
A)  have a melting point of 93° F or higher 
B)  cement sections of conduit together 
C)  not be affected by surrounding atmosphere or liquids 
D)  provide a seal against the passage of sparks

Question 4

Article 515 covers a property or portion of a property where ____ are received by tank vessel, pipelines, tank car, or tank vehicle and are stored or blended in bulk for the purpose of distribution.

Accepted Answer

A)  chemicals 
B)  natural gases 
C)  flammable liquids 
D)  flammable vapors 
A)  chemicals 
B)  natural gases 
C)  flammable liquids 
D)  flammable vapors

Question 5

Class III, Division 1 and 2 portable lighting equipment shall have ____.

Accepted Answer

A)  both handles and substantial guards 
B)  sealed casings 
C)  positive airflow 
D)  cross-wiring 
A)  both handles and substantial guards 
B)  sealed casings 
C)  positive airflow 
D)  cross-wiring

Hazardous (classified) locations divide atmospheric identifications for Class I, Divisions 1 and 2, locations into ____.

Type PVC conduit and Type RTRC conduit can be used when first surrounded by at least ____ of concrete, followed by a minimum cover of 24 in. (top of conduit to grade).

Sealing compound shall ____.

Article 515 covers a property or portion of a property where ____ are received by tank vessel, pipelines, tank car, or tank vehicle and are stored or blended in bulk for the purpose of distribution.

Class III, Division 1 and 2 portable lighting equipment shall have ____.

Introduction to the National Electrical Code

Definitions

Boxes and Enclosures

Cables

Raceways and Conductors

General Provisions

Specific Provisions

Load Calculations

Services and Electrical Equipment

Comprehensive Provisions

Load Calculations

General Provisions

Nondwelling Load Calculations

Services, Feeders, and Equipment

Health Care

Industrial Locations

Special Occupancies

Specific Equipment

Filters

Exam 15: Hazardous Classified Locations

Hazardous (classified) locations divide atmospheric identifications for Class I, Divisions 1 and 2, locations into ____.

Type PVC conduit and Type RTRC conduit can be used when first surrounded by at least ____ of concrete, followed by a minimum cover of 24 in. (top of conduit to grade).

Sealing compound shall ____.

Article 515 covers a property or portion of a property where ____ are received by tank vessel, pipelines, tank car, or tank vehicle and are stored or blended in bulk for the purpose of distribution.

Class III, Division 1 and 2 portable lighting equipment shall have ____.

Introduction to the National Electrical Code

Definitions

Boxes and Enclosures

Cables

Raceways and Conductors

General Provisions

Specific Provisions

Load Calculations

Services and Electrical Equipment

Comprehensive Provisions

Load Calculations

General Provisions

Nondwelling Load Calculations

Services, Feeders, and Equipment

Health Care

Industrial Locations

Special Occupancies

Specific Equipment

Filters