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Level 2 Electrical, Canada > Code > Flashcards

Code Flashcards

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1
Q

When asked to find conductor ampacities of two different wires in the same conduit, explain how to find their ampacities

A

Use tables 1-4 to find individual ampacities based on lowest temperature.

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2
Q

What table do you use to find conductor ampacities in raceway or free air

A

1-4

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3
Q

What table to use for ambient temperatures above 30 degrees

A

5A

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4
Q

How do you use the ambient temperature multiplier?

A

You apply the multiplier to individual temperatures of insulation, NOT the lowest when given multiples.

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5
Q

What table do you find ampacities for neutral support cable?

A

Table 36A and 36B

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6
Q

What rule applies to neutral support cable allowable ampacities?

A

4-004 5

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7
Q

What rule applies to allowable ampacities for conductors sharing the same raceway?

A

4-004 14

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8
Q

What rule applies to marked and unmarked equipment temperatures?

A

4-006

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9
Q

Which rule will you find information about pull box or junction boxes?

A

12-3036

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10
Q

What is Table 22? What code rule is related?

A

Space for insulated conductors in boxes. Rule 12-3034

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11
Q

What is table 23 and what rule is related?

A

Number of insulated conductors in boxes. Rule 12-3034

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12
Q

Which section would you find information on installation of a TX?

A

Section 26, installation of electrical equipment.

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13
Q

What does section 2 outline?

A

Administrative

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14
Q

Where can you find marking of equipment?

A

2-100

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15
Q

What does code rule 2-128 Fire Spread state?

A

Electrical installations made so probability of fire spread is made minimum
Cable shall be properly closed or sealed

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16
Q

What does code rule 2-138 Insulation Integrity state?

A

All wiring shall be free from short circuits and grounds

17
Q

What rule is fire spread?

A

2-128

18
Q

What rule is insulation integrity?

A

2-138

19
Q

Rule 2-202 2) suitable barriers or covers shall be provided for bare live parts within ______ of non electrical components that may require servicing.

A

900mm

20
Q

Rule 2-308 1) working space of _____ shall be provided and maintained around electrical equipment that _______

A

1m, have renewable parts (fuses, breakers), disconnecting means, operating means, or require examination, operation, adjustment, or maintenance.

21
Q

Where can you find information about working space around equipment?

A

Section 2. 2-308, 2-310, 2-312, 2-314

22
Q

Where can you find enclosure types?

A

Section 2. 2-400. Table 65.

23
Q

Fuses provide ______ to protect ________, which table should you use to find the rating to protect the conductor

A

Overcurrent protection to protect conductors. Use table 13 to find rating or setting of overcurrent devices protecting conductors

24
Q

What minimum size disconnect switch is required on a capacitor circuit?

A

Rated not less than 135% of rated current of the capacitor. Rule 26-214

25
Q

What conductor ampacity is used for a capacitor circuit branch or feeder circuits?

A

Not less than 135% of rated current.

26
Q

How do you size tap conductors for a capacitor?

A

Find rated current (may be given), DO NOT adjust rated current by 135%, use tables 1-4 to find applicable wire size based on wire temp and current rating before 135% is applied, divide by 3 (rule 26-208 2 b), that amount is your minimum size required.

27
Q

To what PF is a motor allowed to be corrected to when using a capacitor? What rule?

A

Not exceed no load to pf unity. 26-218 2 a

28
Q

Where will you find information on branch circuits?

A

Section 26. 26-650

29
Q

Which table do you find current flow in flexible cord

A

Table 12

30
Q

Which rule applies to conductor derates?

A

4-004 Ampacity of wires and cables

31
Q

Do you count neutrals when calculating conduit fill?

A

Yes

32
Q

When you have ‘unmarked equipment’ where do you find temperature for it?

A

4-006 2

33
Q

Where can I find information on working space

A

Section 2

34
Q

The ampacity of conductors of different temperature ratings installed in the same raceway shall be determined by ________

A

The conductor having the lowest temperature rating

35
Q

What is the temperature limitations for equipment rated under 100A?

A

60 degrees

36
Q

What is the temperature rating for equipment rated more than 100A?

A

75 degrees

37
Q

Consumer service conductors should be not less than ______

A

8 Al, or #10 Cu

Level 2 Electrical, Canada (19 decks)

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