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- Current
- Review
- Answered
- Correct
- Incorrect
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Question 1 of 534
1. Question
Which of the following conditions is addressed by Rule 12-302? Select all that apply (2/5)
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Question 2 of 534
2. Question
For fixed equipment such as air conditioners, branch circuits in dwelling units may have a voltage to ground exceeding ____.
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Question 3 of 534
3. Question
When dealing with ____, reference note 7 refers to the usage of decorative lighting or an electric clock.
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Question 4 of 534
4. Question
A device that uses a voltage decrease or loss to interrupt power to the main circuit and then resets when the voltage returns to normal is known as ____.
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Question 5 of 534
5. Question
For protection on NMD cable in concealed installations, a cylindrical bushing sized for the hole through the material must extend a least of ____ beyond both sides of the member.
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Question 6 of 534
6. Question
For calculating the ampacity of a(n) ____ conductor that is run in free air, CEC Table 1 would be utilized.
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Question 7 of 534
7. Question
All electrical work and electrical equipment, including self-propelled marine vessels that are stationary for more than five months, are covered by the ____.
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Question 8 of 534
8. Question
For permanent outdoor lighting providing lamps in parking lots and used vehicle lots, the minimum height of conductors above grade is ____.
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Question 9 of 534
9. Question
For conductors without a ____, the minimum suggested low temperature handling and installation temperature is -10 °C.
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Question 10 of 534
10. Question
The ampacity of three ____ insulated conductors routed in a cable or raceway through a room with a temperature of 52°C is determined using Tables 4 and 5A.
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Question 11 of 534
11. Question
A ____ is a document from the inspection department that authorizes power to be supplied to a building and is sent to the supply authority.
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Question 12 of 534
12. Question
A luminaire weighing greater than ____ or exceeding 400 mm in any dimension must not be supported by the lampholder’s screwshell.
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Question 13 of 534
13. Question
A single dwelling with no basement and a floor area of ____ requires a minimum service ampacity of 100 A.
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Question 14 of 534
14. Question
At an outlet, the minimum length of free conductors to be left for splicing or connection is ____ cm.
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Question 15 of 534
15. Question
Table 2 shows the allowable ampacities for ____ copper conductors at a ambient temperature of 30 °C.
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Question 16 of 534
16. Question
When the term AWG is used alone in the CEC with no reference of wire type, it means the material is ____.
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Question 17 of 534
17. Question
When equipment wire type conductors of size No. 16 AWG are used in a ____ circuit, 12-122 rule must be followed.
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Question 18 of 534
18. Question
When dealing with ____, reference note 15 states that it is suited for indoor Christmas tree cord.
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Question 19 of 534
19. Question
Table 23 of the CEC lists the maximum number of ____ wires that can be accommodated within a 4″ square deep box.
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Question 20 of 534
20. Question
For ____ conductors in a raceway (of Table 2 or 4) the percentage of current-carrying capacity is 0.6.
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Question 21 of 534
21. Question
The largest size fuse that can be used to protect a ____ circuit with #18 AWG conductors that extend outside the equipment enclosure is 5A.
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Question 22 of 534
22. Question
Table 4 of the CEC provides information on the ____ of aluminum conductors.
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Question 23 of 534
23. Question
For an EVJT electric vehicle supply cable with AWG size ____, the maximum ampacity of three current carrying conductors is 80.
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Question 24 of 534
24. Question
If the power is turned off when disconnecting or fixing electrical equipment, ____ is impossible.
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Question 25 of 534
25. Question
____ that supply candelabra-base light holders, other than Christmas tree or other decorative types, must not be smaller than 18 AWG.
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Question 26 of 534
26. Question
Additional information regarding the rules can be found in the ____ Code’s Appendix section.
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Question 27 of 534
27. Question
When armoured cable is used for circuits in ____, it must be embedded to a depth of 50 mm.
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Question 28 of 534
28. Question
Except where conductors smaller than 14 AWG are authorized, all other conductors installed in ____ circuits must meet the requirements as outlined in rule 12-102.
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Question 29 of 534
29. Question
In reference to ____ resulting from various house service branch circuit loads, 120 volts should be used to complete the calculations.
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Question 30 of 534
30. Question
Which of the following is true about dwelling units according to CEC? Select all that apply (3/5)
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Question 31 of 534
31. Question
The disconnect for the furnace must be installed close to the furnace but between the entrance and the furnace when a ____ is required for a house furnace due to the branch circuit breakers inconvenient location.
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Question 32 of 534
32. Question
____ or ____ receptacles installed in childcare centers must be tamper resistant.
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Question 33 of 534
33. Question
When the voltage between conductors exceeds 300 volts, ____ should not be installed.
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Question 34 of 534
34. Question
The architectural designs includes ____ that provides specific information on the room finish materials.
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Question 35 of 534
35. Question
To calculate the ampacity of two ____ conductors that are run in a raceway, Table Two of CEC would be referenced.
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Question 36 of 534
36. Question
Which of the following statements are incorrect with regards to CEC definitions? Select all that apply (3/5)
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Question 37 of 534
37. Question
In a set of construction drawings for a commercial building, the drawing disciplines should be organised in the following order:
#1 – Mechanical
#2 – Electrical
#3 – Architectural
#4 – Structural
#5 – Landscape
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Question 38 of 534
38. Question
In a set of construction drawings for a commercial building, the ____ should be organised in the following order: Architectural, Structural, Mechanical, Electrical, Landscape.
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Question 39 of 534
39. Question
To calculate the ____ of an aluminum conductor with a single armoured cable run in free air, CEC Table 3 would be used.
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Question 40 of 534
40. Question
In the CEC, ____ is referred to a person who has knowledge of the components construction and dangers it poses due to its design.
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Question 41 of 534
41. Question
According to table ____, if cables installed near combustible material exceed 90 °C they could cause a fire hazard.
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Question 42 of 534
42. Question
A receptacle with only one female contact group, is referred to as a ____.
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Question 43 of 534
43. Question
When calculating conductor ____, the insulated conductors that have no parts exiting the box are not included in the calculation.
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Question 44 of 534
44. Question
In context to Section 12 of the CEC, the provisions of this section apply to some installations that are ____.
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Question 45 of 534
45. Question
According to the CEC, the term “exposed” refers to ____ that can be accidentally touched or approached too close to a safe distance.
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Question 46 of 534
46. Question
In wet locations the following armoured cables can be installed. Select all that apply (3/5)
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Question 47 of 534
47. Question
With no live parts exposed to unauthorized individuals, equipment on the load side of ____ current limiting devices can operate at peak voltages of not more than 42.4 V.
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Question 48 of 534
48. Question
Table 22 provides the conductors space in boxes for determining ____.
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Question 49 of 534
49. Question
With regards to CEC definitions, the term ____ refers to a substantially long load that is carried for an extended period of time.
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Question 50 of 534
50. Question
The ampacity of 25 ____ #3 AWG insulated conductors run in a cable or raceway through a 30°C room is determined using tables 2 and 5C.
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Question 51 of 534
51. Question
For storage battery rooms, the maximum ambient temperature is ____ degrees Fahrenheit.
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Question 52 of 534
52. Question
A cable tray is a raceway made of troughing construction that allows ____ to be quickly disconnected or installed.
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Question 53 of 534
53. Question
In context to CEC definitions, ____ is normally limited to the installation for which it was granted.
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Question 54 of 534
54. Question
Measured along the ____, 900 mm is the maximum installation distance between each individual counter receptacle.
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Question 55 of 534
55. Question
The ampacity of 25 ____ #8 AWG insulated conductors run in a cable or raceway through a 30°C room is determined using tables 4 and 5C.
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Question 56 of 534
56. Question
The ampacity of 25 Aluminum #8 AWG insulated conductors run in a cable or raceway through a 30°C room is determined using tables 4 and ____.
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Question 57 of 534
57. Question
To bond lighting fixtures to ground, the armour of ____ is not an acceptable method.
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Question 58 of 534
58. Question
____ uses connectors that can be loosened or tightened with a tool to connect to a power source.
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Question 59 of 534
59. Question
In a single family dwelling, the ____ must be connected at only one point, the consumer service.
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Question 60 of 534
60. Question
The inspection department requires ____ and specifications for large light and power installations.
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Question 61 of 534
61. Question
The use of a ____ is allowed in combustible construction.
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Question 62 of 534
62. Question
Voltages between 25001 V and 46000 V necessitate a ____ working space with safe footing.
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Question 63 of 534
63. Question
A set of conductors run by a ____ from its mains to a consumer’s service is known as a supply service.
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Question 64 of 534
64. Question
A ____ is defined as one or more rooms used as a housekeeping unit including cooking, eating, living, and sleeping facilities for one or more people.
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Question 65 of 534
65. Question
In context to CEC definitions, a place like a car wash should be considered as a ____.
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Question 66 of 534
66. Question
A solid 600 Volt jacketed No. 12 R90 EP will have an area of ____.
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Question 67 of 534
67. Question
The circuit must be turned disconnected and de-energized, when performing maintenance on equipment where ____ exist.
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Question 68 of 534
68. Question
____ refers to conduit that can be bent easily without the use of tools.
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Question 69 of 534
69. Question
To meet code requirements a distance of at least 900 mm is required for appropriate ____ to be installed between bare live parts and non-electrical equipment.
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Question 70 of 534
70. Question
With regards to CEC definitions, a supply authority is responsible for ____.
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Question 71 of 534
71. Question
The ____ of the inner edge curve bend on armoured cables bent during installation must be at least six times the cable’s exterior diameter.
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Question 72 of 534
72. Question
A device or equipment whereby the circuit conductors can be disconnected from their supply source is referred as ____.
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Question 73 of 534
73. Question
A building’s reflected ceiling drawing is used as a(n) ____.
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Question 74 of 534
74. Question
In a ____, the main service calculation includes 75% of the basement area based on inside dimensions.
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Question 75 of 534
75. Question
To secure electrical equipment to ____, a metal brace can be used
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Question 76 of 534
76. Question
According to the CEC, ____ refers to electrical equipment that has no live parts exposed to a person on the operational side.
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Question 77 of 534
77. Question
Which of the following statements are incorrect about the CEC rules regarding field-installed caution markings? Select all that apply (4/5)
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Question 78 of 534
78. Question
In closets, luminaries or lampholders of the ____ design or bare lamp design should not be installed.
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Question 79 of 534
79. Question
983 ml is the capacity of a _____ box.
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Question 80 of 534
80. Question
For system grounding conductors ____ and ____ materials are acceptable to be installed.
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Question 81 of 534
81. Question
Type SIS cord is required for ____.
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Question 82 of 534
82. Question
____shows elevation of structural members.
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Question 83 of 534
83. Question
As defined by the ____, a supply authority and a service (consumers) do not possess the same meaning.
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Question 84 of 534
84. Question
As defined by the CEC, a ____ location is one in which liquids may drip, splash, or flow on or against electrical equipment.
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Question 85 of 534
85. Question
Under ____ in height a tamper resistance receptacle is not required for an inaccessible stationary appliance.
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Question 86 of 534
86. Question
In the context of conductors, identified as defined by the CEC means it has a ____ or ____ covering and cannot be ____ in colour.
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Question 87 of 534
87. Question
____ is the term used to describe a low impedance path or conductor grounding that limits the above ground voltage increase.
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Question 88 of 534
88. Question
____ equipment wire is acceptable to install in only in dry locations.
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Question 89 of 534
89. Question
4.5 m is the required conductor spacing interval required for ____.
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Question 90 of 534
90. Question
When an ohmmeter is used on a live circuit, it will _____.
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Question 91 of 534
91. Question
For door and window alarm contacts, _____ switches are used.
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Question 92 of 534
92. Question
Torque must be applied to a bolted termination according to the ____.
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Question 93 of 534
93. Question
A ____ operates a line voltage circuit using a low voltage circuit.
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Question 94 of 534
94. Question
A sliding contact can change the ____ of a variable resistor.
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Question 95 of 534
95. Question
When using non-metallic sheathed cable in three-way and four-way switching circuits, the ____ must be either black or red.
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Question 96 of 534
96. Question
The cross-sectional area of a wire which is one tenth of an inch in diameter is ____.
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Question 97 of 534
97. Question
A load is normally connected ____ with switches.
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Question 98 of 534
98. Question
The sequence of ____ is represented in a schematic drawing.
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Question 99 of 534
99. Question
In a ____ switching circuit, only one traveler is activated at a time.
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Question 100 of 534
100. Question
If two ____ are wired in series with a buzzer, the buzzer will not work when only one is pressed.
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Question 101 of 534
101. Question
The Meggar meter uses extremely ____ to the circuit under test.
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Question 102 of 534
102. Question
Three-quarters of a wrap around a terminating screw is required when utilizing an ____ conductor.
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Question 103 of 534
103. Question
For cutting 1/2 inch electrical metallic tubing, the carbon steel blade’s pitch should be ____.
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Question 104 of 534
104. Question
If a dwelling unit has more than one ____, they should be connected so that the activation of one alarm will trigger all of them.
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Question 105 of 534
105. Question
Which of the following are not the standard to measure conductor size ? Select all that apply (4/5)
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Question 106 of 534
106. Question
____ is achieved, when a rubber barrier that prevents the solenoid rod from striking metal is installed on the doorbell.
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Question 107 of 534
107. Question
Which of the following information is required on an electrical warning tag? Select all that apply (3/5).
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Question 108 of 534
108. Question
On a ____, a set of contacts is always portrayed as de-energized.
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Question 109 of 534
109. Question
In low voltage switching systems, the control and ____ circuit wiring can be rated and sized independently.
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Question 110 of 534
110. Question
If a resistor is coloured red, blue, black, silver, the total resistance value will be ____.
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Question 111 of 534
111. Question
Which of the following are types of fixed resistors? Select all that apply (2/5)
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Question 112 of 534
112. Question
For ____, letters are a widely used method of coding and identification.
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Question 113 of 534
113. Question
A #8 AWG copper wire has a conductor area of ____.
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Question 114 of 534
114. Question
When a(n) ____ is used to measure a devices current flow, it must be connected with the device in series.
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Question 115 of 534
115. Question
In a(n) ____ switching system, the control circuit operates the relay coil.
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Question 116 of 534
116. Question
The smallest AWG size is 40 and the largest is ____.
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Question 117 of 534
117. Question
Composition resistors are typically built with a ____ based alloy.
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Question 118 of 534
118. Question
If two buzzers and a/an ____ pushbutton are wired in parallel, the pushbutton will cause a short circuit when pressed.
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Question 119 of 534
119. Question
There are two different types of ____.
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Question 120 of 534
120. Question
In ____ construction buildings, NMD90 cables and conductors are most commonly installed.
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Question 121 of 534
121. Question
A resistors ____ is related to its ohmic range.
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Question 122 of 534
122. Question
Soft drawn ____ conductors are the most common type of insulated conductor.
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Question 123 of 534
123. Question
The magnetic field collapses when a ____ in a relay is de-energized.
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Question 124 of 534
124. Question
____ are required in residential units, according to provincial building codes.
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Question 125 of 534
125. Question
____ are determined using Table D7 from the CEC.
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Question 126 of 534
126. Question
A pure ____ conductor has a low tensile strength.
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Question 127 of 534
127. Question
For a(n) ____ switching system, a SPDT switch is installed.
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Question 128 of 534
128. Question
The cost of manufacturing a roller ball contact switch for an alarm system is higher than that of ____.
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Question 129 of 534
129. Question
A ____ is used to cut inside threads.
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Question 130 of 534
130. Question
A resistor is coloured green, yellow, gold, silver, the resistance value will be ____.
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Question 131 of 534
131. Question
Two different types of resistors are: Select all that apply (2/5)
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Question 132 of 534
132. Question
There are two different categories of ____.
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Question 133 of 534
133. Question
A ____ can be used only one time.
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Question 134 of 534
134. Question
When several padlock lockouts are used, circuits under repair can be ____ once all locks have been removed.
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Question 135 of 534
135. Question
A ____ should be used by closing the jaws around one conductor.
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Question 136 of 534
136. Question
Steel cores are commonly found in ____ installed for overhead high voltage distribution.
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Question 137 of 534
137. Question
The voltage for a residential ____ is typically 24 volts.
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Question 138 of 534
138. Question
Conductors colored ____, cannot be used as a switch leg.
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Question 139 of 534
139. Question
There are three connection points on a ____ potentiometer.
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Question 140 of 534
140. Question
When performing an electrical equipment lock out, only one ____ can be used for each lock.
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Question 141 of 534
141. Question
____ have a resistance surface made of composition or film.
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Question 142 of 534
142. Question
An ohmmeter will get damaged or destroyed if it is connected to a(n) ____.
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Question 143 of 534
143. Question
It’s important to look at the relay to physically locate a(n) ____.
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Question 144 of 534
144. Question
There are two ____ on a standard doorbell.
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Question 145 of 534
145. Question
There are six terminals on a ____ switch.
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Question 146 of 534
146. Question
A(n) ____ is a signal that alerts a number of additional locations from one location.
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Question 147 of 534
147. Question
In an alarm system, ____ are activated by acoustic shock waves.
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Question 148 of 534
148. Question
Which of the following are categories of machine taps? Select all that apply (3/5)
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Question 149 of 534
149. Question
Which of the following types of switches are required to control a light from three separate locations? Select all that apply (2/5)
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Question 150 of 534
150. Question
____, are popular to install on doors, because they are cheap and affordable
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Question 151 of 534
151. Question
Which of the following groups do intrusion-detection devices belong to? Select all that apply (2/5)
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Question 152 of 534
152. Question
Which of the following is true about a rotary switch? Select all that apply (2/5)
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Question 153 of 534
153. Question
On a ____ container, the WHMIS label should have red color
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Question 154 of 534
154. Question
Which of the following uses electromagnet to function? Select all that apply (4/5)
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Question 155 of 534
155. Question
In high-power applications, ____ are commonly installed.
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Question 156 of 534
156. Question
A single pole switch is the simplest way to switch a(n) ____.
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Question 157 of 534
157. Question
To control greater voltages, a(n) ____ switching system utilizes low voltage switches and relays.
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Question 158 of 534
158. Question
The ionization detector is extremely sensitive to flaming fires that ____.
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Question 159 of 534
159. Question
The switch is in the open state when an ohmmeter is placed across two points on a single pole switch and indicates ____.
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Question 160 of 534
160. Question
Which of the following describes a residential smoke alarm? Select all that apply (2/5)
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Question 161 of 534
161. Question
A supplier’s ____ label has a slashed-marked border that can be easily seen.
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Question 162 of 534
162. Question
A composition resistors ____ is determined by its physical size.
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Question 163 of 534
163. Question
Which of the following switches cannot be replaced by a 3-way switch? Select all that apply (4/5)
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Question 164 of 534
164. Question
When the needle on a meter ____, it signifies that the meter is connected with the reverse polarity.
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Question 165 of 534
165. Question
With the relay turned off, a set of ____ in an electromagnetic relay will be in the open position.
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Question 166 of 534
166. Question
If a ____ is required for an existing residential dwelling, it should be connected in parallel with the existing chime
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Question 167 of 534
167. Question
A 00 conductor is another name for a ____ conductor.
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Question 168 of 534
168. Question
Prior to drilling, an indentation is created with a ____.
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Question 169 of 534
169. Question
A conductor with a diameter of 8.62 mm has a cross-sectional area of ____.
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Question 170 of 534
170. Question
Audible is classified as a ____ in a home security system.
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Question 171 of 534
171. Question
Continuity exists through the normally closed contacts when the ____ is not activated.
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Question 172 of 534
172. Question
Difficulties in breathing may be caused when exposed to a current in the range of ____.
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Question 173 of 534
173. Question
It takes about ____ of current to cause respiratory paralysis.
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Question 174 of 534
174. Question
Working on ____ is permitted with the use of approved protective equipment.
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Question 175 of 534
175. Question
For proper operation, a ____ and a buzzer should be connected in series.
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Question 176 of 534
176. Question
Changes in heat are detected using ____.
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Question 177 of 534
177. Question
____ are required to be installed in residential units, according to the provincial building code.
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Question 178 of 534
178. Question
A ____ returns to its initial position prior to being actuated.
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Question 179 of 534
179. Question
Exothermic welding is the method of ____ and fusing conductors with one another.
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Question 180 of 534
180. Question
On a conventional door chime, there are ____ terminals.
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Question 181 of 534
181. Question
When installing more ____, the solenoids impedance should be taken into account to ensure effective operation.
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Question 182 of 534
182. Question
Which of the following are categories of resistors? Select all that apply (4/5)
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Question 183 of 534
183. Question
The ____ is located in the vacuum tube of an alarm system.
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Question 184 of 534
184. Question
Generally, a(n) ____ is classified as a Class 2 circuit.
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Question 185 of 534
185. Question
The main distinction between potentiometers and rheostats is that potentiometers have ____ terminals, whereas rheostats only have two.
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Question 186 of 534
186. Question
On a ____, a pulse actuated relay only requires a temporary power source.
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Question 187 of 534
187. Question
One of the drawbacks of aluminum conductors is as they are ____ they travel away from the point of applied pressure.
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Question 188 of 534
188. Question
Selective call signals refer to a ____ used in a residence.
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Question 189 of 534
189. Question
Which of the following is correct about stranded wires? Select all that apply (4/5)
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Question 190 of 534
190. Question
For effective operation, a minimum of ____ conductors will be required to be installed in a three-way switch.
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Question 191 of 534
191. Question
A(n) ____ switching system requires only a small control circuit wire.
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Question 192 of 534
192. Question
In a low voltage ____, separation of the low voltage section from the higher voltage section is provided by a metal barrier.
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Question 193 of 534
193. Question
A(n) ____ is a remote or automatic control device installed with one or more contact sets to provide load control.
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Question 194 of 534
194. Question
Two parallel connected buzzers, should be installed in series with a single N.C. push button designed to ____.
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Question 195 of 534
195. Question
A conductor with a diameter of 7.25 mm has a cross-sectional area of ____.
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Question 196 of 534
196. Question
A resistor colored Yellow-Violet-Orange-Gold will have resistance value of ____ with a tolerance of +/- 5%.
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Question 197 of 534
197. Question
On the meter face, most ____ have their numbers displayed from right to left.
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Question 198 of 534
198. Question
The cross-sectional area of a #5 AWG conductor is ____.
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Question 199 of 534
199. Question
What is the cross sectional area of a conductor that has a diameter of 0.75 of an inch?
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Question 200 of 534
200. Question
Two terminals will show continuity in a ____.
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Question 201 of 534
201. Question
The ____ of a conductor is a reference to its cross sectional area.
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Question 202 of 534
202. Question
A ____ is a tool that is used for cutting outside threads
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Question 203 of 534
203. Question
Single pole throw switch is represented in a ladder diagram by ____.
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Question 204 of 534
204. Question
____ conductors can be used as live conductor in some electrical circuits.
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Question 205 of 534
205. Question
____ batteries possess higher current capabilities compared to a lead-acid batteries.
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Question 206 of 534
206. Question
Induction is the process of creating a voltage through the use of relative motion between a magnetic field and a ____.
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Question 207 of 534
207. Question
The ____ outside a magnet, travel from north to south.
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Question 208 of 534
208. Question
The main difference between the ____ and ____ cells of a battery is that the secondary cells can be recharged.
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Question 209 of 534
209. Question
____ is the property of a magnetizable substance, determining the degree in which it concentrates the magnetic lines of force in the region occupied by it in a magnetic field.
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Question 210 of 534
210. Question
Permeability is the ability of a material to ____.
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Question 211 of 534
211. Question
High retentivity refers to a material’s ability to ____.
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Question 212 of 534
212. Question
After the removal of the magnetizing force, if a material possesses a high retentivity, it will be able to ____.
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Question 213 of 534
213. Question
The equation (V no load – V load) is used to determine the ____ due to the batteries resistance.
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Question 214 of 534
214. Question
Which of the following factors does affect the magnetic field strength? Select all that apply (3/6)
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Question 215 of 534
215. Question
Which of the following factors does not affect the magnetic field strength? Select all that apply (3/6)
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Question 216 of 534
216. Question
The electrolyte becomes diluted, as a ____ is discharged.
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Question 217 of 534
217. Question
Faraday’s law states that when the magnetic flux linking a circuit changes, an____ in the circuit proportional to the rate of change of the flux in that circuit.
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Question 218 of 534
218. Question
Which of the following are a generators electrical components? Select all that apply (3/5)
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Question 219 of 534
219. Question
In the event that a fully charged battery is connected in parallel to a partially charged battery, the batteries will ____.
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Question 220 of 534
220. Question
Which of the following will affect an electromagnets magnetic field strength? Select all that apply (4/5)
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Question 221 of 534
221. Question
By forcing a flow of current in the direction opposite to its discharged current, a secondary cell can be ____.
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Question 222 of 534
222. Question
The difference between the battery cells open circuit voltage and its ____ under load is a result of the batteries internal resistance.
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Question 223 of 534
223. Question
A housing case containing an electrolyte with series connected cells is referred to as a ____.
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Question 224 of 534
224. Question
Which of the following are the characteristics of magnetic poles? Select all that apply (2/5)
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Question 225 of 534
225. Question
____ refers to the lines of force that surround a magnetic material.
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Question 226 of 534
226. Question
____ is represented by letter L.
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Question 227 of 534
227. Question
Ones thumb points in the direction of the ____ when using the Left Hand Rule for Generators.
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Question 228 of 534
228. Question
Rotating a wire loop in a stationary magnetic field is a description of a ____.
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Question 229 of 534
229. Question
The conductors electrical polarity repeatedly changes as it travels back and forth through a ____ at a constant rate and at right angles to the magnetic field
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Question 230 of 534
230. Question
Which of the following is true about nickel cadmium battery cell? Select all that apply (4/5)
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Question 231 of 534
231. Question
To decrease the hysteresis losses, magnetic circuits are constructed of ____.
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Question 232 of 534
232. Question
Which of the following determines the induced emf magnitude? Select all that apply (3/5)
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Question 233 of 534
233. Question
In the event that two ____ are carrying the same direction current are brought near one another, they will aid each other.
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Question 234 of 534
234. Question
The area of the plate exposed to the electrolyte, determines the ____ of a battery cell.
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Question 235 of 534
235. Question
Whether two ____ will attract or repel each other, is determined by the magnetic field direction.
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Question 236 of 534
236. Question
When a material cannot be ____ any further it is known as saturation.
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Question 237 of 534
237. Question
Which of the following can be found in the atoms nucleus? Select all that apply (2/5)
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Question 238 of 534
238. Question
Electron flow in an electrical circuit is the flow of current from a ____.