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LV Handbook › Guides › Licensing By State › Connecticut

Connecticut low voltage license requirements (2026)

Yes. Connecticut requires a state license for alarm or low voltage work through Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing.

✓ 5 facts verified Last verified Oct 22, 2026 · Unverified sections stay unpublished

Quick answer

Intrusion / CCTV Yes Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing
Access control Not published by the state
Fire alarm Yes Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing
Structured cabling Yes Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing

Licenses at a glance

WorkLicenseAgency
Alarm, signal, audio and sound businessesL-5 Limited ContractorConnecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing
Technicians employed by a licensed contractorL-6 Limited JourneypersonConnecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing
Low voltage, alarm/signal, audio and telephone-interconnectC-5 Limited ContractorConnecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing
TechniciansC-6 Limited JourneypersonConnecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing

Requirements by work type

Intrusion / CCTV

L-5 Limited Contractor

Alarm, signal, audio and sound businesses: 25 V or 5 A limit; no telecom except alarm-to-phone monitoring interface; 2 years as licensed journeyperson or 6 years equivalent

✓ Verified Oct 22, 2026 Electrical License Types and Scope of Work, CT DCP
Intrusion / CCTVStructured cabling

C-5 Limited Contractor

Low voltage, alarm/signal, audio and telephone-interconnect: 48 V or 8 A limit; 2 years as licensed journeyperson or 6 years equivalent

✓ Verified Oct 22, 2026 Electrical License Types and Scope of Work, CT DCP
Intrusion / CCTVAccess controlFire alarmStructured cabling

Exam

Equivalent-experience route: C-5 needs 8,000 OJT hours and 360 classroom hours; L-5 needs 8,000 OJT hours and 288 classroom hours

✓ Verified Oct 22, 2026 Electrical License Application Paths, CT DCP

Fees

ItemFeeSource
Initial application: contractor license $150, journeyperson license $90. Annual renewal: contractor $150, journeyperson $120. Exam fees are paid to the testing vendor Electrical License, CT DCP
✓ Verified Oct 22, 2026

How to get licensed in Connecticut

  1. L-5 Limited Contractor. 25 V or 5 A limit; no telecom except alarm-to-phone monitoring interface; 2 years as licensed journeyperson or 6 years equivalent (S1)
  2. L-6 Limited Journeyperson. Same scope as L-5 (S1)
  3. C-5 Limited Contractor. 48 V or 8 A limit; 2 years as licensed journeyperson or 6 years equivalent (S1)
  4. C-6 Limited Journeyperson. Registered apprenticeship or 4 years equivalent (S1)
  5. Apply. Use the official links below to apply with Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing.
✓ Verified Oct 22, 2026 Electrical License Types and Scope of Work, CT DCP

Renewal & continuing education

LicenseRequirement
Renewal periodElectrical licenses expire each September 30
✓ Verified Oct 22, 2026 Electrical License, CT DCP

Reciprocity

Not published by the state

FAQs

Does Connecticut require a state license for low voltage or alarm work?

Yes. Connecticut requires a state license for alarm or low voltage work through Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing.

Where do I apply?

Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing. Use the official links in Sources.

Sources

Other states

New York Rhode Island