Massachusetts Electrical Code
The current State Electrical Code currently in effect is based upon NFPA 70, 2026 edition. To view this code free of charge, go to www.nfpa.org, click on "Codes and Standards", select NFPA 70, Free Access, select the 2026 edition, click on "view". The Board of Fire Prevention Regulations also adopted Massachusetts amendments to the code to address situations unique to our Commonwealth.
Additional Resources
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Emergency Amendment for article 230.85 Emergency Disconnects , Open PDF file, 175.97 KB (English, PDF 175.97 KB)
GFCI Unwanted Tripping
The GFCI Unwanted Tripping Form is for the documentation of equipment in normal operating conditions that are incompatible with GFCI protective devices.
All forms must be submitted electronically. GFCI Unwanted Tripping Forms have a ‘submit’ button at the bottom of the form. Please scroll all the way down. Paper forms will not be accepted.
To view all GFCI Unwanted Tripping form submissions, please select the link below.
Past Editions of the State Electrical Code
Code enforcement officials, architects, and engineers often to need to refer to previous editions of the State Electrical Code that were in effect when a building was built or occupied. NFPA
National Electrical Code:
To view the Base Code - NFPA -70, go to the NFPA 70 Standard and Development page. Scroll down and select "View Free Access." You will need an account, which is free to create.
Below are the previous Massachusetts Amendments to NPFA 70. Each document will tell you which edition of NFPA 70 was in effect at the time.
Additional Resources
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State Electrical Code Massachusetts Amendments (2020), Open PDF file, 258.27 KB (English, PDF 258.27 KB)
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State Electrical Code Massachusetts Amendments (2017), Open PDF file, 129.08 KB (English, PDF 129.08 KB)
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Corrections to 527 CMR 12.00 MA Electrical Code 2017 Edition, Open PDF file, 3.05 MB (English, PDF 3.05 MB)
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2014 Massachusetts Electrical Code (Amendments), Open PDF file, 91.55 KB (English, PDF 91.55 KB)
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2011 Massachusetts Electrical Code (Amendments), Open PDF file, 271.21 KB (English, PDF 271.21 KB)
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2008 Massachusetts Electrical Code (Amendments), Open PDF file, 212.32 KB (English, PDF 212.32 KB)
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2005 Massachusetts Electrical Code (Amendments), Open PDF file, 212.14 KB (English, PDF 212.14 KB)
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2002 Massachusetts Electrical Code (Amendments), Open PDF file, 297.75 KB (English, PDF 297.75 KB)
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1999 Massachusetts Electrical Code (Amendments), Open PDF file, 335.14 KB (English, PDF 335.14 KB)
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1996 Massachusetts Electrical Code (Amendments), Open PDF file, 139.48 KB (English, PDF 139.48 KB)
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| Date published: | May 7, 2026 |
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