Michigan Electrical Inspector {National Electrical Code}
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. What is the purpose of the NEC? - Correct Answer: The practical
safeguarding of persons and property
2. What is the term for a device used to adapt a circuit from one configuration
of an attachment plug or receptacle to another of the same current rating? -
Correct Answer: Adapter
3. The NEC defines a conductor's ampacity as 'the maximum current, in
amperes, that a conductor can carry continuously under the conditions of
use without exceeding its - Correct Answer: Temperature rating
4. Connected to establish electrical continuity and conductivity is defined as -
Correct Answer: Bonded (Bonding)
5. What is the term for insulated conductors enclosed overall in a nonmetallic
jacket? - Correct Answer: Nonmetallic-Sheathed Cable
,6. A continuous load, as defined by the NEC is a load where the maximum
current is expected to continue for ______ hours or more? - Correct
Answer: Three
7. Emergency power systems are intended to automatically supply power
and/or illumination that is essential for ______ and are legally required and
classed as emergency by any governmental agency having jurisdiction -
Correct Answer: Safety to human life
8. What is a Ground-Fault Circuit Interrupter (GFCI)? - Correct Answer: A
device to protect personnel that deenergizes a circuit
9. Connected (connecting) to ground or to a conductive body that extends the
ground connection - Correct Answer: Grounded (Grounding)
10.What total Minimum volt-amperes (VA) shall be included when calculating
the demand load for small-appliance and laundry circuit loads a one family
dwelling - Correct Answer: 4,500 VA
11.The total _____ load and the rating or size of circuits used will determine
the minimum number of branch circuits. - Correct Answer: Calculated
12.Sinks located in areas other than kitchens where receptacles are installed
within _____ of the outside edge of the sink, require GFCI protection. -
Correct Answer: 6 feet
, 13.Where receptacles in Kitchens are made available to serve countertop
surfaces, what is the distance that the outlets must be GFCI protected. -
Correct Answer: All
14.True or False: in dwelling units, all 125-volt,single phase, 15- and 20-ampere
receptacles installed in the following locations shall have ground-fault
circuit-interrupter (GFCI) protection for personnel; areas with sinks and
permanent provisions for food preparation, beverage preparation, or
cooking, basements, bathrooms, bathtubs or shower stalls with receptacles
installed within (6ft) of the outside edge, boathouses, crawl spaces - at or
below grade level, indoor damp and wet locations, kitchens, laundry areas
outdoors, sinks with receptacles installed within (6 ft) of the top inside edge
of the bowl. - Correct Answer: True
15.For conductors on a branch circuit that supplies luminaires in a residence,
what is the maximum allowable voltage between conductors on a branch
circuit supplying luminaires in a residence? - Correct Answer: 120 Volts
16.For devices with screw shells, the terminal for the ____ conductor shall be
the one connected to the screw shell. - Correct Answer: Grounded
17.Grounded (Nuetral) conductors larger than size 6 AWG may be identified by
the terminations having ______ colored phase tape, at the time of
installation. - Correct Answer: White
18.How should an insulated grounded conductor 6 AWG or smaller be
identified? - Correct Answer: 3 white stripes on any color insulation but
green, a continuous outer gray or white finish, or several other options.
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. What is the purpose of the NEC? - Correct Answer: The practical
safeguarding of persons and property
2. What is the term for a device used to adapt a circuit from one configuration
of an attachment plug or receptacle to another of the same current rating? -
Correct Answer: Adapter
3. The NEC defines a conductor's ampacity as 'the maximum current, in
amperes, that a conductor can carry continuously under the conditions of
use without exceeding its - Correct Answer: Temperature rating
4. Connected to establish electrical continuity and conductivity is defined as -
Correct Answer: Bonded (Bonding)
5. What is the term for insulated conductors enclosed overall in a nonmetallic
jacket? - Correct Answer: Nonmetallic-Sheathed Cable
,6. A continuous load, as defined by the NEC is a load where the maximum
current is expected to continue for ______ hours or more? - Correct
Answer: Three
7. Emergency power systems are intended to automatically supply power
and/or illumination that is essential for ______ and are legally required and
classed as emergency by any governmental agency having jurisdiction -
Correct Answer: Safety to human life
8. What is a Ground-Fault Circuit Interrupter (GFCI)? - Correct Answer: A
device to protect personnel that deenergizes a circuit
9. Connected (connecting) to ground or to a conductive body that extends the
ground connection - Correct Answer: Grounded (Grounding)
10.What total Minimum volt-amperes (VA) shall be included when calculating
the demand load for small-appliance and laundry circuit loads a one family
dwelling - Correct Answer: 4,500 VA
11.The total _____ load and the rating or size of circuits used will determine
the minimum number of branch circuits. - Correct Answer: Calculated
12.Sinks located in areas other than kitchens where receptacles are installed
within _____ of the outside edge of the sink, require GFCI protection. -
Correct Answer: 6 feet
, 13.Where receptacles in Kitchens are made available to serve countertop
surfaces, what is the distance that the outlets must be GFCI protected. -
Correct Answer: All
14.True or False: in dwelling units, all 125-volt,single phase, 15- and 20-ampere
receptacles installed in the following locations shall have ground-fault
circuit-interrupter (GFCI) protection for personnel; areas with sinks and
permanent provisions for food preparation, beverage preparation, or
cooking, basements, bathrooms, bathtubs or shower stalls with receptacles
installed within (6ft) of the outside edge, boathouses, crawl spaces - at or
below grade level, indoor damp and wet locations, kitchens, laundry areas
outdoors, sinks with receptacles installed within (6 ft) of the top inside edge
of the bowl. - Correct Answer: True
15.For conductors on a branch circuit that supplies luminaires in a residence,
what is the maximum allowable voltage between conductors on a branch
circuit supplying luminaires in a residence? - Correct Answer: 120 Volts
16.For devices with screw shells, the terminal for the ____ conductor shall be
the one connected to the screw shell. - Correct Answer: Grounded
17.Grounded (Nuetral) conductors larger than size 6 AWG may be identified by
the terminations having ______ colored phase tape, at the time of
installation. - Correct Answer: White
18.How should an insulated grounded conductor 6 AWG or smaller be
identified? - Correct Answer: 3 white stripes on any color insulation but
green, a continuous outer gray or white finish, or several other options.
