OPENBOOK EXAM #7

OPENBOOK EXAM #7

University

49 Qs

quiz-placeholder

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OPENBOOK EXAM #7

OPENBOOK EXAM #7

Assessment

Quiz

Other

University

Easy

Created by

Road RME

Used 14+ times

FREE Resource

49 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In general switches shall be so wired that all switching is done in the ___ conductor.

a. Grounded

b. Ungrounded

Both a and b

Neither a nor b

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Material identify by the subscript letter ___ includes text extracted from other NFPA documents.

W

X

Y

Z

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Insulating conductors smaller than ___, intended for use as grounded conductors of circuits, shall have an outer identification of white gray color.

#4

#2

#1/0  

#250 kcmil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“Z.P.” is an abbreviated marking used for motor to indicate ___.

Single-phase

Induction-protected

Thermally protected

Impedance protected

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pool panel-board, not part of the service equipment, shall have a grounding conductor installed between ___.

Its grounding terminal and a separate ground

Its grounding terminal and a ground rod

Its grounding terminal and the grounding terminal of the service equipment

Its grounding terminal and bonding grid

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Overcurrent protective device shall be so selected and coordinated as to permit the circuit protective devices used to clear a fault without the occurrence of extensive damage to the electrical components of the circuit. This fault shall be assumed to be ___.

      I.       Between any circuit conductor and the grounding conductor or enclosing metal raceways

    II.      Between two or more of the circuits conductors.

I only

II only

Both I and II

Neither I nor II

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ampacity for conductors is derated when the ambient temperature exceeds.

30-degree F

72-degree F

86-degree F

104-degree F

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