Systems Contractor (Class C)
Businesses contracting fire warning and security systems: Class D license, 1 year experience, 75 hours education, exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
Boards and license types for low voltage, alarm, access control, and fire alarm work.
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Businesses contracting fire warning and security systems: Class D license, 1 year experience, 75 hours education, exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
Technicians: 300 hours education, 15-hour Code Update, 4,000 hours over 2+ years, PSI exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
Applications must be submitted online to PSI since 6/1/2025 (S1). M.G.L. c.141 s.3 defines certificate C (systems contractor) for businesses installing fire warning, security or other systems and certificate D (systems technician) (S2).
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov · M.G.L. c.141 s.3
Technicians: 300 hours education, 15-hour Code Update, 4,000 hours over 2+ years, PSI exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
Businesses contracting fire warning and security systems: Class D license, 1 year experience, 75 hours education, exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
Technicians: 300 hours education, 15-hour Code Update, 4,000 hours over 2+ years, PSI exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
Applications must be submitted online to PSI since 6/1/2025 (S1). M.G.L. c.141 s.3 defines certificate C (systems contractor) for businesses installing fire warning, security or other systems and certificate D (systems technician) (S2).
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov · M.G.L. c.141 s.3
Technicians: 300 hours education, 15-hour Code Update, 4,000 hours over 2+ years, PSI exam
Verified Oct 22, 2026
Apply for an individual electrical or systems license, Mass.gov
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Set by the city or local fire marshal (AHJ). No statewide rule verified yet.
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