Massachusetts Electrical Code

Here you'll find information relating to the Massachusetts Electrical Code.

The Massachusetts Electrical Code is based on NFPA 70, 2020 edition with Massachusetts amendments enacted by the Board of Fire Prevention Regulations.

Massachusetts Electrical Code

The current State Electrical Code currently in effect is based upon NFPA 70, 2020 edition. To view this code free of charge, go to, click on "Codes and Standards", select NFPA 70, Free Access, select the 2020 edition, click on "view". The Board of Fire Prevention Regulations also adopted Massachusetts amendments to the code to address situations unique to our Commonwealth.

A proposed emergency amendment was approved by the Board of Fire Prevention Regulations on May 28, 2020.  This emergency amendment will take effect on June 26, 2020, the language is available at the link below.  It relates to emergency disconnects. 

527 CMR 12.00 Amendment

A public hearing regarding the emergency amendment will be held via teleconference on July 23, 2020 at 10:00 a.m. via teleconference at (866) 916-2030, Pass Code 7460297# beginning at 10:00 a.m.

Notice of Public Hearing 527 CMR 12.00

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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 Codes webpage, select the code edition you would like to view, and then the website will ask you to register to be able to view the archived version of the code.

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. 


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