MICHIGAN MASTER ELECTRICIAN ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS LATEST UPDATE 2026/2027 GRADED A+ .

MICHIGAN MASTER ELECTRICIAN ACTUAL

EXAM QUESTIONS AND CORRECT ANSWERS

LATEST UPDATE

2026/2027

GRADED A+ .

,1. 3 phase voltage drop: 1.73 x K x I x L/A (K = resistance per foot, I = Current, L = length)

2. Efficiency 3 phase: HP(746)/1.73IE(pf)

3. When equipment grounding is accomplished by means of an equipment ground, the size is determined from:
Table 250.122

4. Parallel conductors in nonmetallic raceway, grounding is determined by ✔✔ ANSW Table 250.122(F)

5. When supplying power from a grounded system from one building to an-other on the same property, it's
required by to run a separate
equipment grounding conductor in addition to an insulated neutral ✔✔ ANSW 250.32(B)

6. Code for Motor Branch Circuit ✔✔ ANSW 430

7. Motor Branch Circuit conductor size code ✔✔ ANSW 430.22

8. The ampacity of a #2 TW copper conductor is about % greater than a #6 TW
copper conductor ✔✔ ANSW 170% (316.16)

9. A permitted substitution for cable type FPL is ✔✔ ANSW CMP, CMR, CM (t760.154d)

10. The primary of a transformer has 120 windings. The secondary has 24. This is a transformer. ✔✔ ANSW 5 to 1

11. A panelboard equipped with snap switches rated at 30 amps or less shall have of 2000 amperes or less ✔
✔ ANSW overcurrent protection (408.36A)

12. What size overloads are correct for a 5HP 230V motor with a nameplate FLC of 22 amps and a service factor of
1.2? ✔✔ ANSW 27.5 amps

13. What is the minimum allowed fusible disconnect for a three phase 480v 15HP motor? ✔✔ ANSW 25
(t430.52)

14. Kilowatts ✔✔ ANSW E x I x 1.73 x PF/1000

15. KVA ✔✔ ANSW E x I x 1.73/1000

16. HP (output) ✔✔ ANSW E x I x (EFF) x PF x 1.73/746

17. Amps when HP is known ✔✔ ANSW HP746/E x EFF x PF x 1.73

18. Amps when kilowatts are known ✔✔ ANSW KW(1000)/E x PF x 1.73

19. Bends in broadband network cable shall not ✔✔ ANSW damage the
cable (830.160)

, 20. Can four #3 THW Cu conductors be added in a 2" RMC with five #4 RH conductors ✔✔ ANSW Yes (Ch 9
T4 T5)

21. Underground conduit entering a building must be ✔✔ ANSW
Sealed

22. GFCI protection shall be provided for outlets not exceeding 240 volts that supply boat hoist installed in
dwelling unit locations ✔✔ ANSW 210.8 (c)

23. Loads for additions to existing installations (dwelling) ✔✔ ANSW 220.16 (A)

24. PVC expansion table ✔✔ ANSW Table 352.44

25. Equipment bonding jumper to 200 amp sub panel fed with 4/0 ✔✔ ANSW Table 250.122 #6 copper and #4 aluminum

26. Grounding electrode conductor to building steel for 1200 amp service ✔✔ ANSW Table 250.66

27. Separation of conductors class 2 from 120 volt ✔✔ ANSW 725.136

28. Furnace own branch circuit ✔✔ ANSW 422.12

29. How much larger shall the general lighting load be for a residential service calculation if an additional nine
general purpose receptacle outlets are added to a home under construction? ✔✔ ANSW No additional calculations are required.
They are included in the square footage calcs in 220.12. (220.14 (J))

30. What chapter of the NEC will you find requirements for electric cranes and hoists? ✔✔ ANSW Chapter 6 (610
Cranes and Hoists)

31. Where a tap is made in a wireway that amounts to 12 square inches includ-ing conductors, the minimum
square dimension allowed is ✔✔ ANSW ✔✔ ANSW 4 x 4 (376.22)

32. A luminare shall be installed so that combustible material is not subject to temperatures in excess of
degrees C ✔✔ ANSW 90 (410.11)

33. What is the minimum depth for a 4 inch by 4 inch junction box which contains 10 #14 AWG looped
conductors? ✔✔ ANSW 1 1/4" (Table 314.16 (A))

34. To test the electrolyte in a battery use ✔✔ ANSW ✔✔ ANSW hydrometer

35. The power factor of an AC circuit where the current and voltage are 10 degrees out of phase is ✔✔
ANSW ✔✔ ANSW cosine 10 degrees

36. What connection method will produce 9 volts from 6 1 1/2 volt battreries?-

✔✔ ANSW series