STC EIT 260 Midterm Exam Questions
and Answers 100% Pass
The purpose of electrical symbols on plans is ____. - ✔✔to graphically represent
electrical products and systems
The National Electrical Code is a minimum ____ standard. - ✔✔Safety
The meaning of approved is ____. - ✔✔acceptable to the authority having jurisdiction
Article 100 Def.
As defined in Article 100, a dwelling unit has the following feature(s): ____. -
✔✔permanent provisions for living, sleeping, cooking, and sanitation Article 100 Def.
Devices are equipment whose primary function is to carry current, not ____. - ✔✔utilize
electric energy Article 100 Def.
The NEC requires that a(n) ____ be installed at each conductor splice connection point. -
✔✔box or conduit body NEC 300.15
In order that the connections inside an outlet box remain accessible, the NEC requires
that a surface extension from an outlet box cover be made using ____. - ✔✔flexible
conduit NEC 314.22 Exception
Unused knockouts in boxes, spaces for ____________________ in a panel, meter socket
enclosures, and all other similar equipment must be effectively closed. - ✔✔circuit
breakers NEC 110.12(A) & 408.7
COPYRIGHT © 2025 BY KATELYN WHITMAN, ALL RIGHTS RESERVED 1
, Where noncombustible surface material is used on walls or ceilings, outlet boxes must
be mounted so that they will be set back not more than ____ from the face of the surface
material. - ✔✔1/4 in. NEC 314.20
All of the following are included when calculating the usable area of a dwelling to
compute the required lighting load, except for ____. - ✔✔crawl space NEC 220.12
The 20-ampere appliance circuits required by NEC are permitted to serve no other
loads, except for - ✔✔clock outlets and receptacles that are installed to plug in the cords
of gas-fired ranges, ovens, or counter-mounted cooking units NEC 210.52(B)(2)
Exception 1 and 2
NEC Article 210 provides ____ guidelines for locating receptacle outlets in residences. -
✔✔mandatory Article 210
Wall receptacles in a habitable room must be placed so they are no further than ____
feet from any point along the wall. - ✔✔6 ft. NEC 210.52(A)(1)
A continuous load shall not exceed ____ of the rating of the branch circuit - ✔✔80%
The smallest wire size for which overcurrent protection is specified in the Code is ____.
- ✔✔14 AWG NEC 210.24, Table 210.24, and 240.3(D)(3)
The NEC requires that conductors 8 AWG and larger must be ____ when installed in a
raceway. - ✔✔Stranded NEC 310.106(C)
Branch circuit conductors shall have an ampacity ____ the maximum to be served. -
✔✔not less than NEC 210.19(A)
The rating of a branch circuit is determined by its ____. - ✔✔overcurrent protective
device (fuse or circuit-breaker)
COPYRIGHT © 2025 BY KATELYN WHITMAN, ALL RIGHTS RESERVED 2
and Answers 100% Pass
The purpose of electrical symbols on plans is ____. - ✔✔to graphically represent
electrical products and systems
The National Electrical Code is a minimum ____ standard. - ✔✔Safety
The meaning of approved is ____. - ✔✔acceptable to the authority having jurisdiction
Article 100 Def.
As defined in Article 100, a dwelling unit has the following feature(s): ____. -
✔✔permanent provisions for living, sleeping, cooking, and sanitation Article 100 Def.
Devices are equipment whose primary function is to carry current, not ____. - ✔✔utilize
electric energy Article 100 Def.
The NEC requires that a(n) ____ be installed at each conductor splice connection point. -
✔✔box or conduit body NEC 300.15
In order that the connections inside an outlet box remain accessible, the NEC requires
that a surface extension from an outlet box cover be made using ____. - ✔✔flexible
conduit NEC 314.22 Exception
Unused knockouts in boxes, spaces for ____________________ in a panel, meter socket
enclosures, and all other similar equipment must be effectively closed. - ✔✔circuit
breakers NEC 110.12(A) & 408.7
COPYRIGHT © 2025 BY KATELYN WHITMAN, ALL RIGHTS RESERVED 1
, Where noncombustible surface material is used on walls or ceilings, outlet boxes must
be mounted so that they will be set back not more than ____ from the face of the surface
material. - ✔✔1/4 in. NEC 314.20
All of the following are included when calculating the usable area of a dwelling to
compute the required lighting load, except for ____. - ✔✔crawl space NEC 220.12
The 20-ampere appliance circuits required by NEC are permitted to serve no other
loads, except for - ✔✔clock outlets and receptacles that are installed to plug in the cords
of gas-fired ranges, ovens, or counter-mounted cooking units NEC 210.52(B)(2)
Exception 1 and 2
NEC Article 210 provides ____ guidelines for locating receptacle outlets in residences. -
✔✔mandatory Article 210
Wall receptacles in a habitable room must be placed so they are no further than ____
feet from any point along the wall. - ✔✔6 ft. NEC 210.52(A)(1)
A continuous load shall not exceed ____ of the rating of the branch circuit - ✔✔80%
The smallest wire size for which overcurrent protection is specified in the Code is ____.
- ✔✔14 AWG NEC 210.24, Table 210.24, and 240.3(D)(3)
The NEC requires that conductors 8 AWG and larger must be ____ when installed in a
raceway. - ✔✔Stranded NEC 310.106(C)
Branch circuit conductors shall have an ampacity ____ the maximum to be served. -
✔✔not less than NEC 210.19(A)
The rating of a branch circuit is determined by its ____. - ✔✔overcurrent protective
device (fuse or circuit-breaker)
COPYRIGHT © 2025 BY KATELYN WHITMAN, ALL RIGHTS RESERVED 2
