Skip to content

Motor Conductors Sizing

Motor Conductors Sizing

Time limit: 0

Quiz Summary

0 of 4 Questions completed

Questions:

Information

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading…

You must sign in or sign up to start the quiz.

You must first complete the following:

Results

Quiz complete. Results are being recorded.

Results

0 of 4 Questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 point(s), (0)

Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)

Categories

Not categorized 0%

1
2
3
4

Current
Review
Answered
Correct
Incorrect

Question 1 of 4

1. Question

According to the 2020 National Electrical Code, what is the minimum ampacity of conductors that supply a single motor used in a continuous duty application?

125% of the motor full load current rating
Correct Incorrect Correct answer

100% of the motor full load current rating
Correct Incorrect Correct answer

150% of the motor full load current rating
Correct Incorrect Correct answer

75% of the motor full load current rating
Correct Incorrect Correct answer

Correct

Incorrect
Question 2 of 4

2. Question

Using Table 430.22(E) of the 2020 NEC for a 60-minute rated intermittent duty motor, what would the conductor size calculation be if the motor’s nameplate current is 30 amperes?

27 amperes
Correct Incorrect Correct answer

30 amperes
Correct Incorrect Correct answer

33 amperes
Correct Incorrect Correct answer

45 amperes
Correct Incorrect Correct answer

Correct

Incorrect
Question 3 of 4

3. Question

Using Table 430.22(E) of the 2020 NEC for a continuous rated periodic duty motor, what would the conductor size calculation be if the motor’s nameplate current is 50 amperes?

50 amperes
Correct Incorrect Correct answer

60 amperes
Correct Incorrect Correct answer

70 amperes
Correct Incorrect Correct answer

140 amperes
Correct Incorrect Correct answer

Correct

Incorrect
Question 4 of 4

4. Question

What is the characteristic of a motor under periodic duty?

Runs cyclically with various phases of load changes followed by a rest period
Correct Incorrect Correct answer

Runs continually without rest
Correct Incorrect Correct answer

Runs at full load for about an hour
Correct Incorrect Correct answer

Runs for a short time with a long rest period
Correct Incorrect Correct answer

Correct

Incorrect

Leave a Comment

You must be logged in to post a comment.

IMPORTANT!

We need to collect some information about your state license(s). Click the button below to update your License Information page. If you are not yet licensed there’s a spot for you to tell us that also.

CLICK HERE TO UPDATE YOUR INFORMATION

NOTE: If your license information is incorrect or missing you may not receive credit for your course completion(s).