Massachusetts Class C / Class D Systems Contractor Requirements (2026)

The Massachusetts Board of State Examiners of Electricians (within the Division of Occupational Licensure) issues two paired low-voltage credentials under M.G.L. Chapter 141 §1 et seq. and 237 CMR 12.00. The Class C Systems Contractor (SC) is the contractor business license; the Class D Systems Technician (SD) is the individual installer license. Both authorize installation of systems operating at less than 25 volts and not more than 100 volt-amperes — fire alarm, burglar alarm, telephone, sound, intercom, CCTV, energy management, and data wiring. Massachusetts is unusual in that the same Electricians Board licenses both the full Master / Journeyman electrician and the systems trade, and the SC / SD covers both burglar and fire alarm without a separate state alarm board. The Department of Fire Services additionally enforces NFPA 72 for fire alarm acceptance and many AHJs require NICET Fire Alarm Systems Level II for plan review.

Regulatory Body Profile

Massachusetts Board of State Examiners of Electricians (BSEE) is the statutory authority responsible for issuing and enforcing this license under MGL Chapter 141; 237 CMR (Board rules); Massachusetts Electrical Code (527 CMR 12, adopting NFPA 70). The Board of State Examiners of Electricians licenses Journeyman (Class B), Master (Class A), and specialty electricians, administers the trade examinations in-house, and enforces the Massachusetts Electrical Code.

Official portal: https://www.mass.gov/orgs/board-of-state-examiners-of-electricians
Address: 1000 Washington Street, Suite 710, Boston, MA 02118
Phone: (617) 727-9931

The Eligibility Audit

The threshold requirements are straightforward: age 18 or above, plus a valid Social Security Number. No Massachusetts residency requirement.

Good moral character

The Board reviews criminal history. Felony convictions involving theft, fraud, or violence are reviewed under M.G.L. Chapter 6 §172.

Background investigation

The Board requires criminal disclosure on the application. CORI background check is conducted before issuance.

Experience and Education Standards

At least 4 years of Class D Systems Technician (SD): 8,000 hours of supervised experience under a Class C Systems Contractor (SC) plus 300 hours of approved classroom instruction in a Massachusetts-registered systems apprenticeship under 237 CMR 13.00. Class C Systems Contractor (SC): one year of active SD experience plus passing the SC exam. has to be evidenced and confirmed. Retain payroll, tax, project, or supervisor records, since the board may audit the experience claimed.

Accepted proof of experience or eligibility

Massachusetts Division of Apprentice Standards completion certificate
Board Experience Verification Form signed by each supervising SC
W-2 statements covering the qualifying period
NICET Fire Alarm Systems certificates (recommended)
Out-of-state license documentation (for experience evaluation)

Education substitution

Completion of an approved Massachusetts systems apprenticeship is the standard path to the SD. Out-of-state apprenticeships and accredited electrical / electronics technology degrees may earn partial hour credit by Board evaluation.

The Exam Syllabus

Testing is handled by Prov Inc. under contract to the Massachusetts Board of State Examiners of Electricians.. The applicant has to pass each part listed here before the credential is granted:

Prov Class D Systems Technician examination — open book, NEC and Massachusetts Electrical Code — 80 questions, 240 minutes, passing score 70%
Prov Class C Systems Contractor examination — business, law, and supervisory rules — 50 questions, 120 minutes, passing score 70%

Examination fee: $92 examination fee per part to Prov.

Retake policy: Failed parts may be re-taken individually after 30 days. Each application file remains active for one year.

Bonding, Insurance & Financial Security

No statewide contractor license surety bond is required for this credential in the cited sources. Project-specific, permit, or public-works bonds may still apply, so confirm bonding before bidding a given job.

General liability

The Board does not impose a state minimum general liability for the SC. Most owners contractually require $1,000,000/$2,000,000.

Workers' compensation

Workers' compensation is mandatory under M.G.L. Chapter 152 for any Massachusetts employer.

Additional financial requirements

The Board does not require a financial statement.

Schedule of Fees

Fee	Amount
Application (non-refundable)	$150
Examination	$92
Initial license	$200
Renewal (every 3 years)	$200

Renewal and Continuing Obligations

The Massachusetts Class C Systems Contractor (SC) and Class D Systems Technician (SD) runs on a 3 years renewal cycle. The current renewal fee is $200. SC and SD renew every three years on the licensee's birthday. Lapsed licenses may be reinstated within one year by paying back fees and CE; after one year the applicant must re-test.

Continuing education: 21 hours of Board-approved continuing education each three-year cycle for the SC and SD, including a Massachusetts Electrical Code update module.

Downloadable Asset

2026 Massachusetts Low Voltage License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Out-of-State Reciprocity

For this classification, Massachusetts does not recognize the NASCLA Accredited Examination.

Reciprocal State	Accepted Exam	Conditions
New Hampshire	Limited reciprocity	The Massachusetts Board and the New Hampshire Electricians Board recognize each other's active systems credentials on application after experience verification.
Connecticut	Limited reciprocity	Case-by-case journeyperson recognition between Massachusetts and Connecticut DCP.

Massachusetts has limited bilateral reciprocity with neighboring New England states for active systems credentials.

Weighing more than one jurisdiction? The national hub compares Low Voltage license requirements in every state — exam, bond, fee, and experience thresholds side by side.

The Application Roadmap

Register as a systems apprentice. Enroll with the Massachusetts Division of Apprentice Standards in a registered systems apprenticeship under an SC.
Accumulate 8,000 hours and 300 classroom hours. Complete the four-year systems apprenticeship under SC supervision.
Pass the Prov Class D Systems Technician examination. Score 70% on the open-book Prov exam. Receive the SD individual license.
Work one year as an active SD. The Board requires one year of post-license SD experience before sitting the SC contractor exam.
Pass the Prov Class C Systems Contractor examination. Score 70% on the SC contractor exam covering business, law, and supervisory rules.
File the Board contractor application. Submit the application with the $150 fee, exam pass certificates, and CORI consent.
Receive the SC contractor license and begin work. The Board issues the SC license at the next monthly meeting after document review.
Renew on schedule. SC and SD licenses renew every three years on the licensee's birthday with continuing education.

Recommended Study Materials

The list below collects the board's cited references and the materials applicants typically study from. CLR is not paid to recommend any of them.

Massachusetts Electrical Code (527 CMR 12.00) — Massachusetts Department of Fire Services. State amendments to the NEC. Required reference for the SD and SC exams.
National Electrical Code (NFPA 70), Massachusetts-adopted edition — NFPA. Open book at the SD and SC exams.
NFPA 72 — National Fire Alarm and Signaling Code — NFPA. Required reference for the fire alarm content of the SD exam.

Pre-Application Checklist

Before submitting to BSEE, the applicant should have each of the following ready:

☐ Massachusetts Division of Apprentice Standards apprenticeship completion certificate
☐ SD individual license (prerequisite to SC)
☐ One year of post-license SD experience
☐ Prov Class C Systems Contractor exam pass at 70%
☐ Board SC application with $150 fee
☐ CORI background check consent
☐ Workers comp coverage certificate (if employer)

Where Applications Stall

The errors below are the ones that most frequently cost Massachusetts Low Voltage applicants time, drawn from the cited board guidance.

Confusing SC scope with full electrical

SC / SD is limited to systems under 25 V and 100 VA. Anything tied to a 120 V branch circuit requires a Master or Journeyman electrician license.

Skipping the apprenticeship

The Board requires a Massachusetts-registered systems apprenticeship for first-time SD applicants. Self-claimed experience without an apprenticeship is rejected.

Missing the one-year SD requirement before SC

The Board will not allow the SC contractor exam until the applicant has worked one year as an active SD. Many candidates apply too early.

Failing the CORI background check

The Board reviews CORI for every applicant. Recent felony convictions involving theft or fraud commonly result in denial.

Missing fire alarm acceptance testing

Massachusetts AHJs require NFPA 72 acceptance testing by a NICET Fire Alarm Level II or higher technician on most commercial fire alarm projects, even though the Board itself does not require NICET for the SD license.

Other Massachusetts Trade Licenses

CLR maintains guides for additional Massachusetts trades; the published ones are listed here:

Common Questions

What voltage limit does the Massachusetts SC / SD cover?

Less than 25 volts and not more than 100 volt-amperes. The SC / SD covers fire alarm, burglar alarm, telephone, sound, intercom, CCTV, energy management, and data wiring within those limits.

Is there a separate alarm contractor license in Massachusetts?

No. Burglar and fire alarm work both fall under the same Class C Systems Contractor (SC) license. Massachusetts does not have a separate state alarm board.

How long is the Massachusetts systems apprenticeship?

8,000 hours of supervised work plus 300 hours of approved classroom instruction (approximately four years) registered with the Division of Apprentice Standards.

Does NICET certification waive the Class D exam?

No. NICET Fire Alarm Systems Level II is required by many Massachusetts AHJs for fire alarm acceptance testing but does not substitute for the Prov Class D exam.

How often does the SC / SD renew?

Every three years on the licensee's birthday with completion of approved continuing education hours per Board rule.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-04-12 · Next scheduled review 2026-07-11