Diagnostic Test For Electrician License Examination Preparation
Ampacity Correction
Time Limit for This Page: 24 minutes
References Permitted: National Electrical CodeŽ, American Electrician's Handbook
Appropriate for Journeyman Electrician, Master Electrician and Electrical Inspector Exams.
Question #1
What is the ampacity of a #12 TW copper conductor installed in a raceway with 2 other conductors if the raceway is exposed to 120 degree Fahrenheit temperature?
Question #2
What is the ampacity of a #6 THW copper conductor if it feeds a motor?
Question #3
What is the ampacity of a #14 THHN copper conductor in a nipple with a total of 12 conductors?
Question #4
What is the ampacity of a 500 kcmil THW copper conductor if it feeds a continuous load and passes through a maximum ambient temperature of 100 degrees Fahrenheit?
Upon completion, use any remaining time to make sure you have the right answers. When time has expired, go to the answer page to check your answers with the given answers.
Click HERE for ANSWERS TO DIAGNOSTIC TESTS.
If you did not score three correct in the time allowed, then you might want to consider exam preparation with the help of the David U. Larson workbook:
Click HERE for INFO ABOUT Calculations Workbooks for Electrician License Examinations.