Michigan Electrical Inspector Competency Study Guide
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. Conduits over 24" in length, with more than 2 conductors must have a max
fill rate of? - Correct Answer: 40%
2. What are the type of equipment grounding conductors? - Correct
Answer: Rigid Metal Conduit (RMC) & Electrical Metal Tubing (EMT)
3. What does FLC stand for? - Correct Answer: Full Load Current
4. An electrical device that consists of a frame, a plunger and uses an up and
down motion to operate is called what? - Correct Answer: Solenoid
5. Tubing nipple less than 24" may be filled to a maximum of? - Correct
Answer: 60%
6. A boat hoist receptacle shall be mounted not less than ________ above the
dock surface and not below the electrical datum plane on a fixed pier -
Correct Answer: 12"
,7. In critical care areas, each patient bed location shall be provided with a
minimum of _____ receptacles? - Correct Answer: 14
8. In general care areas, each patient bed location shall be provided with a
minimum of _____ receptacles? - Correct Answer: 8
9. Disconnecting means for a mobile home shall be at a minimum height of? -
Correct Answer: 2'
10.In health care facilities, the emergency light circuit shall be wired on the? -
Correct Answer: Life safety branch circuit
11.Occupancy of ______ people or more must be wired in MC or Conduit -
Correct Answer: 100
12.For a mobile home, the grounded conductor shall be? - Correct Answer:
Insulated
13.What type of cable can't be used as a ground for critical and emergency
branch circuits of a hospital? - Correct Answer: Isolated Ground
14.In gas stations, how far from the floor is Class 1, Division 1? - Correct
Answer: 18"
,15.What type of material does a garbage disposal cord have to be made of? -
Correct Answer: LISTED FOR USE
16.What color triangle marking will be on a noise cancelling outlet? -
Correct Answer: Orange
17.Light poles shall have a hand-hole of not less than? - Correct Answer: 2"
x 4"
18.What is the minimum space between a recessed fixture and a thermal
insulation? - Correct Answer: 3"
19.A furnace has to be run on what type of circuit? - Correct Answer:
Individual Branch Circuit
20.Electrically operated kitchen waste disposers shall be permitted to be cord
and plug connected with a flexible cord that must be _________. -
Correct Answer: Not more than 36", Not less than 18"
21.When using a round box where conductors or connectors requiring the use
of locknuts or bushings are to be connected, to what part of the box can
they not be connected? - Correct Answer: Side of the box (314.2)
22.Type NM cable shall be approved for installing under the lower edges of a
joist in crawlspaces if the wire is at least three ________ AWG - Correct
Answer: 8 (334.15 (c))
, 23.What is the required free space in a junction box for a #10 conductor? -
Correct Answer: 2.5 cubic inches (314.16(B))
24.10 feet of equipment grounding conductor cannot be made of what? -
Correct Answer: FMC (340.20(a) or 250.118(7)(B))
25.At what rated voltage does direct burial cable have to be shielded? -
Correct Answer: 2,000 volts (310.10(f))
26.What is the smallest sized conductor you can run in parallel? - Correct
Answer: 1/0 (310.10(h)(1))
27.What is the maximum number of conductors allowed in an auxiliary gutter?
- Correct Answer: 30 (366.22(a))
28.What type of conductor is rated for direct burial? - Correct Answer: UF
29.What is the overcurrent protection for 8 #12 THHN conductors in a 1/2"
pipe? - Correct Answer: 20 amp
30.What type of cable is approved for service entrance cable? - Correct
Answer: SE
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. Conduits over 24" in length, with more than 2 conductors must have a max
fill rate of? - Correct Answer: 40%
2. What are the type of equipment grounding conductors? - Correct
Answer: Rigid Metal Conduit (RMC) & Electrical Metal Tubing (EMT)
3. What does FLC stand for? - Correct Answer: Full Load Current
4. An electrical device that consists of a frame, a plunger and uses an up and
down motion to operate is called what? - Correct Answer: Solenoid
5. Tubing nipple less than 24" may be filled to a maximum of? - Correct
Answer: 60%
6. A boat hoist receptacle shall be mounted not less than ________ above the
dock surface and not below the electrical datum plane on a fixed pier -
Correct Answer: 12"
,7. In critical care areas, each patient bed location shall be provided with a
minimum of _____ receptacles? - Correct Answer: 14
8. In general care areas, each patient bed location shall be provided with a
minimum of _____ receptacles? - Correct Answer: 8
9. Disconnecting means for a mobile home shall be at a minimum height of? -
Correct Answer: 2'
10.In health care facilities, the emergency light circuit shall be wired on the? -
Correct Answer: Life safety branch circuit
11.Occupancy of ______ people or more must be wired in MC or Conduit -
Correct Answer: 100
12.For a mobile home, the grounded conductor shall be? - Correct Answer:
Insulated
13.What type of cable can't be used as a ground for critical and emergency
branch circuits of a hospital? - Correct Answer: Isolated Ground
14.In gas stations, how far from the floor is Class 1, Division 1? - Correct
Answer: 18"
,15.What type of material does a garbage disposal cord have to be made of? -
Correct Answer: LISTED FOR USE
16.What color triangle marking will be on a noise cancelling outlet? -
Correct Answer: Orange
17.Light poles shall have a hand-hole of not less than? - Correct Answer: 2"
x 4"
18.What is the minimum space between a recessed fixture and a thermal
insulation? - Correct Answer: 3"
19.A furnace has to be run on what type of circuit? - Correct Answer:
Individual Branch Circuit
20.Electrically operated kitchen waste disposers shall be permitted to be cord
and plug connected with a flexible cord that must be _________. -
Correct Answer: Not more than 36", Not less than 18"
21.When using a round box where conductors or connectors requiring the use
of locknuts or bushings are to be connected, to what part of the box can
they not be connected? - Correct Answer: Side of the box (314.2)
22.Type NM cable shall be approved for installing under the lower edges of a
joist in crawlspaces if the wire is at least three ________ AWG - Correct
Answer: 8 (334.15 (c))
, 23.What is the required free space in a junction box for a #10 conductor? -
Correct Answer: 2.5 cubic inches (314.16(B))
24.10 feet of equipment grounding conductor cannot be made of what? -
Correct Answer: FMC (340.20(a) or 250.118(7)(B))
25.At what rated voltage does direct burial cable have to be shielded? -
Correct Answer: 2,000 volts (310.10(f))
26.What is the smallest sized conductor you can run in parallel? - Correct
Answer: 1/0 (310.10(h)(1))
27.What is the maximum number of conductors allowed in an auxiliary gutter?
- Correct Answer: 30 (366.22(a))
28.What type of conductor is rated for direct burial? - Correct Answer: UF
29.What is the overcurrent protection for 8 #12 THHN conductors in a 1/2"
pipe? - Correct Answer: 20 amp
30.What type of cable is approved for service entrance cable? - Correct
Answer: SE
