Question 1

Service equipment in other than dwelling units shall be legibly marked in the field with the ____.

Accepted Answer

A)  average impedance 
B)  minimum current 
C)  maximum available fault current 
D)  maximum average current 
A)  average impedance 
B)  minimum current 
C)  maximum available fault current 
D)  maximum average current

Question 2

No secondary overcurrent protection is required for certain transformers 1000 volts, nominal, or less with currents of at least 9 amperes and a maximum primary overcurrent protection of ____.

Accepted Answer

A)  75% 
B)  100% 
C)  125% 
D)  150% 
A)  75% 
B)  100% 
C)  125% 
D)  150%

Question 3

Where the ungrounded supply conductors are larger than 1100 kcmil copper or 1750 kcmil aluminum, the supply-side bonding jumper shall have an area not less than ____ of the area of the largest ungrounded supply conductor or equivalent area for parallel supply conductors.

Accepted Answer

A)  10½% 
B)  12½% 
C)  15½% 
D)  18½% 
A)  10½% 
B)  12½% 
C)  15½% 
D)  18½%

Question 4

A drip loop's lowest point has a minimum vertical clearance of ____.

Accepted Answer

A)  9 ft (2.7 m) 
B)  10 ft (3.0 m) 
C)  11 ft (3.3 m) 
D)  12 ft (3.7 m) 
A)  9 ft (2.7 m) 
B)  10 ft (3.0 m) 
C)  11 ft (3.3 m) 
D)  12 ft (3.7 m)

Question 5

According to the NEC , where a panelboard is supplied through a transformer, the overcurrent protection required by 408.36 shall be located on the ____ side of the transformer.

Accepted Answer

A)  top 
B)  bottom 
C)  primary 
D)  secondary 
A)  top 
B)  bottom 
C)  primary 
D)  secondary

Service equipment in other than dwelling units shall be legibly marked in the field with the ____.

No secondary overcurrent protection is required for certain transformers 1000 volts, nominal, or less with currents of at least 9 amperes and a maximum primary overcurrent protection of ____.

Where the ungrounded supply conductors are larger than 1100 kcmil copper or 1750 kcmil aluminum, the supply-side bonding jumper shall have an area not less than ____ of the area of the largest ungrounded supply conductor or equivalent area for parallel supply conductors.

A drip loop's lowest point has a minimum vertical clearance of ____.

According to the NEC, where a panelboard is supplied through a transformer, the overcurrent protection required by 408.36 shall be located on the ____ side of the transformer.

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

Hazardous Classified Locations

Health Care

Industrial Locations

Special Occupancies

Specific Equipment

Filters

Exam 14: Services Feeders and Equipment

Service equipment in other than dwelling units shall be legibly marked in the field with the ____.

No secondary overcurrent protection is required for certain transformers 1000 volts, nominal, or less with currents of at least 9 amperes and a maximum primary overcurrent protection of ____.

Where the ungrounded supply conductors are larger than 1100 kcmil copper or 1750 kcmil aluminum, the supply-side bonding jumper shall have an area not less than ____ of the area of the largest ungrounded supply conductor or equivalent area for parallel supply conductors.

A drip loop's lowest point has a minimum vertical clearance of ____.

According to the NEC , where a panelboard is supplied through a transformer, the overcurrent protection required by 408.36 shall be located on the ____ side of the transformer.

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

Hazardous Classified Locations

Health Care

Industrial Locations

Special Occupancies

Specific Equipment

Filters

According to the NEC, where a panelboard is supplied through a transformer, the overcurrent protection required by 408.36 shall be located on the ____ side of the transformer.