Massachusetts § 21D - Auxiliary emergency lighting systems; exit signs; rules and regulations
Full text of Massachusetts Massachusetts General Laws § 21D — Auxiliary emergency lighting systems; exit signs; rules and regulations, with citation guidance and answers to common questions.
§ 21D. Auxiliary emergency lighting systems; exit signs; rules and regulations
Section 21D. The owner, lessee or mortgagee in possession of any multiple dwelling of ten or more units shall equip such dwelling with an auxiliary emergency lighting system independent of the conventional lighting system, and lighted signs indicating both a primary and secondary means of egress by a diagram or symbol so as to assure recognition by all persons, regardless of their English-speaking ability.
The commissioner shall make and promulgate, and from time to time may alter, amend and repeal, rules and regulations relative to the standards, installation and maintenance of emergency lighting systems and exit signs required by this section. Such regulations shall include but not be limited to specifications with respect to the degree of illumination and the location of emergency lighting systems, and the degree of illumination and the location of, and the symbolism in, exit signs.
Source: official Massachusetts text · Last verified 2026-08-27
Frequently Asked Questions About Massachusetts § 21D
What does Massachusetts General Laws § 21D cover?
Section 21D ("Auxiliary emergency lighting systems; exit signs; rules and regulations") is part of the Massachusetts General Laws, the codified statutory law of Massachusetts. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Massachusetts § 21D?
A common citation format is "Massachusetts General Laws § 21D" (Massachusetts). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Massachusetts law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Massachusetts official source linked on this page or consult a licensed Massachusetts attorney.
How does Massachusetts § 21D apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Massachusetts can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Massachusetts.