Filters
Question type

Study Flashcards

The ampere rating of any circuit breaker rated at ____ amperes or less, and 1000 volts or less, must be molded, stamped, etched, or similarly marked into the handle or escutcheon area.


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

E) None of the above
F) A) and B)

Correct Answer

verifed

verified

A one-family dwelling service disconnecting means must have a minimum rating of ____.


A) 120 amperes, 4-wire
B) 100 amperes, 2-wire
C) 100 amperes, 3-wire
D) 120 amperes, 3-wire

E) A) and B)
F) C) and D)

Correct Answer

verifed

verified

Fuseholders for current-limiting fuses must not ____.


A) allow water seepage
B) allow cross-over sparking
C) permit insertion of non-current-limiting fuses
D) permit rewiring

E) All of the above
F) None of the above

Correct Answer

verifed

verified

All switchboards, switchgear, panelboards, distribution boards, and motor control centers must be located ____ and must be protected from damage.


A) in dedicated spaces
B) along bearing walls
C) within crawl spaces
D) inside duct work

E) None of the above
F) All of the above

Correct Answer

verifed

verified

Service-entrance and overhead service conductors shall be arranged so that ____.


A) lightening rods will extend above them
B) water shall not enter the service raceway or equipment
C) sealed service head is not exposed
D) the main body is supported by rigid masting

E) B) and C)
F) C) and D)

Correct Answer

verifed

verified

Concrete, brick, or tile walls are recognized as ____.


A) insulated
B) grounded
C) waterproof
D) defacto raceways

E) C) and D)
F) A) and D)

Correct Answer

verifed

verified

Conductors must have a vertical clearance of at least ____ ft above the roof surface.


A) 2
B) 4
C) 6
D) 8

E) All of the above
F) A) and C)

Correct Answer

verifed

verified

Showing 21 - 27 of 27

Related Exams

Show Answer