Arizona Contractor License CR-67 Exam
Questions with Correct Verified Answers
Question 1
Low -power network -powered broadband communications circuits located outside a
building should be installed using what cables (choose all that apply)?
Correct Answer
Type BLU or BLX cables
Question 2
Conductor sizes are often expressed in?
Correct Answer
American Wire Gage (AWG)
Question 3
What tells there heat transfer capability through a substance by conduction?
Correct Answer
Thermal resistivity
Question 4
A typical work space (for a working voltage under 600V) should have a minimum
headroom of ______ m.
Correct Answer
2.0 m
Question 5
Even in a low voltage configuration, cables should be supported by?
Correct Answer
The building structure.
Page 1 of 36
,Question 6
When you use a dry cell battery as a power source for a Class 2, the voltage must be?
Correct Answer
30V or less
Question 7
________ is what serves as the demarcation point for voice, data, video ....etc.
Correct Answer
Intermediate Distribution Frame (IDF)
Question 8
It is ARTICLE ______ that specifically covers Premises -power broadband
communications systems.
Correct Answer
ARTICLE 840
Question 9
A ground electrode should not be made in contact with the earth?
Correct Answer
False. sound be on contact with the earth
Question 10
Primary electrical protections are necessary on underground network -powered
broadband communications conductors?
Correct Answer
That are not grounded or interrupted.
Page 2 of 36
,Question 11
Class 1 power -Limited Circuits should be supplied from a source that has a rated
output of ______ volts or below only.
Correct Answer
30 volts
Question 12
Before attempting to perform any electrical installations, you are required by law at
the federal law to first gather all drawings regarding the subject.
Correct Answer
False
Question 13
In an assembled cable that contains a jacketed combination of coaxial cable and
multiple individual conductors, insulation for each individual conductors has to be
rated for _____ volts at the least.
Correct Answer
300 volts
Question 14
Class 1 Remote -Control and Signaling Circuits should never exceed.
Correct Answer
600 volts
Question 15
Telephone systems with ringer can have voltage that reaches max?
Correct Answer
90VAC
Page 3 of 36
, Question 16
On a class 1 circuit it is ok to use smaller wire sizes than normal power circuits such
as.
Correct Answer
Anything 16 AWG or lower
Question 17
talking about the definition of Imax.
Correct Answer
Refers to the max output current under any noncapacitive load - this definition does
not exclude short circuit.
Question 18
_______ are limited energy cables suitable to be installed in environmental air plenum
spaces without conduit.
Correct Answer
FPLP
Question 19
The breaking capacity specifies.
Correct Answer
maximum current the fuse can handle
Question 20
Fast- blow fuses tend to open real quick when the rated current is reached.
Correct Answer
True
Page 4 of 36
Questions with Correct Verified Answers
Question 1
Low -power network -powered broadband communications circuits located outside a
building should be installed using what cables (choose all that apply)?
Correct Answer
Type BLU or BLX cables
Question 2
Conductor sizes are often expressed in?
Correct Answer
American Wire Gage (AWG)
Question 3
What tells there heat transfer capability through a substance by conduction?
Correct Answer
Thermal resistivity
Question 4
A typical work space (for a working voltage under 600V) should have a minimum
headroom of ______ m.
Correct Answer
2.0 m
Question 5
Even in a low voltage configuration, cables should be supported by?
Correct Answer
The building structure.
Page 1 of 36
,Question 6
When you use a dry cell battery as a power source for a Class 2, the voltage must be?
Correct Answer
30V or less
Question 7
________ is what serves as the demarcation point for voice, data, video ....etc.
Correct Answer
Intermediate Distribution Frame (IDF)
Question 8
It is ARTICLE ______ that specifically covers Premises -power broadband
communications systems.
Correct Answer
ARTICLE 840
Question 9
A ground electrode should not be made in contact with the earth?
Correct Answer
False. sound be on contact with the earth
Question 10
Primary electrical protections are necessary on underground network -powered
broadband communications conductors?
Correct Answer
That are not grounded or interrupted.
Page 2 of 36
,Question 11
Class 1 power -Limited Circuits should be supplied from a source that has a rated
output of ______ volts or below only.
Correct Answer
30 volts
Question 12
Before attempting to perform any electrical installations, you are required by law at
the federal law to first gather all drawings regarding the subject.
Correct Answer
False
Question 13
In an assembled cable that contains a jacketed combination of coaxial cable and
multiple individual conductors, insulation for each individual conductors has to be
rated for _____ volts at the least.
Correct Answer
300 volts
Question 14
Class 1 Remote -Control and Signaling Circuits should never exceed.
Correct Answer
600 volts
Question 15
Telephone systems with ringer can have voltage that reaches max?
Correct Answer
90VAC
Page 3 of 36
, Question 16
On a class 1 circuit it is ok to use smaller wire sizes than normal power circuits such
as.
Correct Answer
Anything 16 AWG or lower
Question 17
talking about the definition of Imax.
Correct Answer
Refers to the max output current under any noncapacitive load - this definition does
not exclude short circuit.
Question 18
_______ are limited energy cables suitable to be installed in environmental air plenum
spaces without conduit.
Correct Answer
FPLP
Question 19
The breaking capacity specifies.
Correct Answer
maximum current the fuse can handle
Question 20
Fast- blow fuses tend to open real quick when the rated current is reached.
Correct Answer
True
Page 4 of 36
