NM CID ES-1 Practice Questions - New Mexico CID ES-1 Electrical Signs And Outline Lighting Examination Exam

Access More Questions

Using the approximate single-phase voltage-drop formula VD = (2 × K × I × L) / CM with K = 12.9 for copper, what is the voltage drop on 100 feet of 12 AWG copper (6,530 circular mils) carrying 20 amperes?

About 2.0 volts About 4.0 volts About 7.9 volts About 15.8 volts

Correct Answer:

About 7.9 volts

Access more questions from this quiz

Continue to NM CID ES-1 Practice Questions - New Mexico CID ES-1 Electrical Signs and Outline Lighting Examination Exam for more practice questions and the full quiz experience.

Access More Questions