Question 1
After installing a cable through a fire-rated wall, what should the electrician do to maintain the fire rating?
Question 2
A feeder conductor has an allowable ampacity of 100 A. The calculated continuous load is 70 A and the non-continuous load is 20 A. What is the total calculated load for sizing the feeder?
Question 3
Which of the following wiring methods is distinctively allowed for use in cinder fill where subject to permanent moisture, provided it is protected by corrosion-resistant concrete?
Question 4
According to NEC 300.4, what must be installed if a wire passes through a bored hole in a stud less than 1 1/4 inches from the edge?