NEC Chapter 2: Wiring and Protection
Exam Questions & Answers (Grade
A+)
1. The continuity of a grounded conductor shall not depend on a
connection to _______.
(a) a metallic enclosure
(b) a raceway
(c) cable armor
(d) any of these -
correct answer ✅(d) any of these
200.2(B)
2. An insulated grounded conductor _______ AWG or smaller shall
be identified by a continuous white or gray outer finish, or by three
continuous white or gray stripes along i entire length on other than
green insulation.
(a) 8
(b) 6
(c) 4
(d) 3 -
correct answer ✅(b) 6
200.6(A)(1),(2), and (3)
,NEC Chapter 2: Wiring and Protection
Exam Questions & Answers (Grade
A+)
3. A three-phase, 4-wire, _______ power system used to supply
power to nonlinear loads may necessitate that the power system
design allow for the possibility of high harmonic currents on the
neutral conductor. (a) wye-connected
(b) delta-connected
(c) wye/delta-connected
(d) none of these -
correct answer ✅(a) wye-connected
210.4(A) Note 1
4. 120V, single-phase, 15A and 20A branch circuits supplying outlets
and devices installed in guest _______ of hotels and motels shall be
protected by any of the means described in 210.12(AY1) through
(6).
(а) гоoms
(b) suites
(c) a and b
(d) none of these -
correct answer ✅(c) a and b
210.12(C)
, NEC Chapter 2: Wiring and Protection
Exam Questions & Answers (Grade
A+)
5. Receptacle outlets in or on floors shall not be counted as part of
the required number of receptacle outlets for dwelling unit wall
spaces, unless they are located within _______ in. of the wall.
(a) 6
(b) 12
(c) 18
(d) 24 -
correct answer ✅(c) 18
210.52(A)(3)
6. The receptacle outlet required for indoor electrical service
equipment shall not be required to be installed for _______.
(a) multifamily occupancies
(b) assembly occupancies
(c) one- and two-family dwellings
(d) equipment pits -
correct answer ✅(c) one- and two-family dwellings
210.64
Exam Questions & Answers (Grade
A+)
1. The continuity of a grounded conductor shall not depend on a
connection to _______.
(a) a metallic enclosure
(b) a raceway
(c) cable armor
(d) any of these -
correct answer ✅(d) any of these
200.2(B)
2. An insulated grounded conductor _______ AWG or smaller shall
be identified by a continuous white or gray outer finish, or by three
continuous white or gray stripes along i entire length on other than
green insulation.
(a) 8
(b) 6
(c) 4
(d) 3 -
correct answer ✅(b) 6
200.6(A)(1),(2), and (3)
,NEC Chapter 2: Wiring and Protection
Exam Questions & Answers (Grade
A+)
3. A three-phase, 4-wire, _______ power system used to supply
power to nonlinear loads may necessitate that the power system
design allow for the possibility of high harmonic currents on the
neutral conductor. (a) wye-connected
(b) delta-connected
(c) wye/delta-connected
(d) none of these -
correct answer ✅(a) wye-connected
210.4(A) Note 1
4. 120V, single-phase, 15A and 20A branch circuits supplying outlets
and devices installed in guest _______ of hotels and motels shall be
protected by any of the means described in 210.12(AY1) through
(6).
(а) гоoms
(b) suites
(c) a and b
(d) none of these -
correct answer ✅(c) a and b
210.12(C)
, NEC Chapter 2: Wiring and Protection
Exam Questions & Answers (Grade
A+)
5. Receptacle outlets in or on floors shall not be counted as part of
the required number of receptacle outlets for dwelling unit wall
spaces, unless they are located within _______ in. of the wall.
(a) 6
(b) 12
(c) 18
(d) 24 -
correct answer ✅(c) 18
210.52(A)(3)
6. The receptacle outlet required for indoor electrical service
equipment shall not be required to be installed for _______.
(a) multifamily occupancies
(b) assembly occupancies
(c) one- and two-family dwellings
(d) equipment pits -
correct answer ✅(c) one- and two-family dwellings
210.64
