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Key Facts: South Carolina Low Voltage Practice Exam

Varies

Official Credential

SC LLR / SLED / Contractors' Licensing Board

Not one total

Official Exam Format

Credential-specific bulletin required

100 Q

Practice Questions

OpenExamPrep

South Carolina does not publish one generic “low voltage contractor” exam matching this route. Use the 100 local questions for diagnostic practice, then confirm the exact credential, legal scope, official item count, time limit, passing standard, fee, and reference list with the responsible authority.

Sample South Carolina Low Voltage Practice Practice Questions

Try these sample questions to review concepts for the South Carolina Low Voltage Practice exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In South Carolina, which agencies regulate low voltage contractor licensing for alarm and specialty work?
A.Only the SC Department of Labor
B.Multiple boards including SC LLR and SLED for burglar alarm, and the Contractors' Licensing Board for specialty work
C.SC Department of Education
D.SC Department of Revenue
Explanation: South Carolina uses multiple regulatory bodies: the Department of Labor, Licensing and Regulation (LLR) and SLED oversee burglar alarm licensing, while the Contractors' Licensing Board handles specialty contractor classifications including fire alarm work.
2What license is required to install burglar alarm systems in South Carolina?
A.General Electrical license only
B.Burglar Alarm Contractor license through LLR/SLED
C.No license required
D.Fire alarm license only
Explanation: South Carolina requires a Burglar Alarm Contractor license regulated through the Department of Labor, Licensing and Regulation with SLED oversight for individuals and companies installing burglar alarm systems.
3What license covers fire alarm installation in South Carolina?
A.Burglar Alarm Contractor only
B.Fire Alarm Contractor or appropriate Specialty Contractor license
C.No license required
D.General Business license
Explanation: Fire alarm installation in South Carolina requires a Fire Alarm Contractor license or appropriate Specialty Contractor license through the SC Contractors' Licensing Board, separate from the burglar alarm license.
4Under NEC Article 725, what are the three circuit classes?
A.A, B, C
B.1, 2, 3
C.I, II, III
D.X, Y, Z
Explanation: NEC 725 defines Class 1, 2, and 3 circuits with different voltage/power limits determining wiring methods and requirements.
5What NEC edition does South Carolina currently follow?
A.2017
B.2020
C.2023
D.2026
Explanation: South Carolina follows the 2020 NEC for electrical installations including low voltage work.
6In South Carolina, SLED requires what for burglar alarm business licensing?
A.Only a business license
B.Background check, application, and proof of qualifications
C.No requirements
D.Only insurance
Explanation: The South Carolina Law Enforcement Division (SLED) requires background checks, a completed application, and proof of qualifications for burglar alarm business licensing to ensure public safety.
7NEC Article 760 covers what?
A.Emergency systems
B.Signaling
C.Fire alarm systems
D.Communications
Explanation: NEC 760 covers fire alarm system installation including PLFA and NPLFA circuits, cables, and separation.
8Plenum fire alarm cable type?
A.FPL
B.FPLR
C.FPLP
D.CM
Explanation: FPLP cable meets plenum space fire/smoke requirements per NEC 760.
9NFPA 72 battery standby?
A.12h+5min
B.24h+5min
C.24h+15min
D.48h+10min
Explanation: 24 hours standby plus 5 minutes alarm for secondary power.
10TIA-568 max horizontal cable?
A.50m
B.90m
C.100m
D.150m
Explanation: 90m permanent link; 100m total channel.

About the South Carolina Low Voltage Practice Practice Questions

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