Australia (Victoria) | 1991 | New and alterations | Hard wired | Owner/A$500 |
| 1999 | All | At least one, battery or hard wired | Owner/A$500 |
Australia (Queensland) | 1997 | New | Decided by builders | Builder/local authority |
Austria | None | | | |
Canada (Alberta) | 1977 | New and multiple occupancy1 | Hard wired | Building inspectors if new |
| 1992 | Pre-1977 1 and 2 family | Battery or hard wired | |
Canada (Manitoba) | 1981 | New | Hard wired | — |
| 1987 | Existing | Battery or hard wired | — |
Canada (Ontario) | 1998 | All | At least one, battery or hard wired | Owner/CDN$200 |
England and Wales | 1985 | Multiple occupancy | “Adequate means of escape” 2 | Local authority |
| 1992 | New and alterations | “Adequate means of escape” 2 | |
The Netherlands | Delayed | New | Hard wired, interconnected | Local authority |
New Zealand/Aotearoa | 1993 | Multiple occupancy | “Appropriate means of warning” 2 | Owner or manager/local authority |
Northern Ireland | 1994 | New and alterations | Hard wired | Building inspectors |
Norway | 1991 | All | At least one | Owner |
USA (Alabama) | None. | Building code for new construction incorporates NFPA 723 |
USA (Alaska) | 1975 | All | Per State Marshall | Owner/State Fire Marshall |
USA (Arizona) | 1983 | New and alterations | Battery or hard wired | Builder or owner |
USA (Arkansas) | None. | 1994 Standard Building Code for new construction incorporates NFPA 723 |
USA (California) | 1986 | All single family dwellings sold | Battery | Owner |
| 1987 | New (1987) and alterations (1985) | Battery | Owner |
USA (Colorado) | None. | 1997 Uniform Building Code4 for new construction |
USA (Connecticut) | 1978 | All | Battery or hard wired | Local fire marshall or building inspector |
USA (Delaware) | 1993 | All | Battery or hard wired; NFPA 723 | $100–500 |
USA (District of Columbia) | 1978 | All | At least one, battery or hard wired | Owner/$100–300 |
USA (Florida) | 19975 | All | Battery or hard wired; NFPA 723 | Local authority |
USA (Georgia) | 1987 | All | Battery or hard wired; NFPA 723 | — |
USA (Hawaii) | None. | 1985 Uniform Fire Code | | |
USA (Idaho) | 1994 | All | Battery | Owner |
USA (Illinois) | 1987 | All | At least one, battery or hard wired | Owner |
USA (Indiana) | 1982 | All | Battery or hard wired; NFPA 723 | Owner |
USA (Iowa) | 1991 | All | | Owner/State Fire Marshall—misdemeanour |
USA (Kansas) | 1998 | All 1 family | Hard wired if new | Owner |
USA (Kentucky) | None. | 1999 BOCA Code6 for new construction |
USA (Louisiana) | 1991 | New 1 and 2 family | | — |
USA (Maine) | 1982 | New, alterations, conversion, multiple occupancy | At least one (each floor if >3 story multiple occupancy) | Owner/up to $500 |
USA (Maryland) | 1982 | All 1 and 2 family dwellings | At least one, battery or hard wired | Owner/up to $50 |
| 1984 | Multiple occupancy | At least one, battery or hard wired | Owner/up to $50 |
USA (Massachusetts) | 1979 | All | Battery or hard wired | —/Local fire official—$100–$1000 |
USA (Michigan) | 1974 | Mobile homes (new or newly sold) | | Owner/misdemeanour |
USA (Minnesota) | 1980 | All | Hard wired if new | Owner |
USA (Mississippi) | None | | | |
USA (Missouri) | None | | | |
USA (Montana) | None | | | |
USA (Nebraska) | 1981 | All | At least one, battery or hard wired | Owner or agent/misdemeanour |
USA (Nevada) | 1981 | Multiple occupancy | Battery or hard wired | Owner |
USA (New Hampshire) | 1982 | All | Automatic fire warning devices | Owner/State Fire Marshall |
USA (New Jersey) | 1980 | Multiple occupancy | | |
USA (New Mexico) | None | | | |
USA (New York) | 1984 | 1 and 2 family and multiple occupancy | At least one per dwelling unit | Owner |
| 1986 | Multiple occupancy | Must have testing device | |
USA (North Carolina) | 1975 | All | Battery or hard wired, NFPA 723 | Owner |
USA (North Dakota) | None. | 1997 Uniform Building Code4 for new construction |
USA (Ohio) | 1977 | Multiple occupancy | Automatic smoke detection | |
USA (Oklahoma) | None | | | |
USA (Oregon) | 1997 | All | Long life battery or hard wired | State Fire Marshall |
USA (Pennsylvania) | None | | | |
USA (Rhode Island) | 1985 | All | Battery or hard wired, NFPA 723 | Owner/$500 |
USA (South Carolina) | 1995 | 1 and 2 family rental | Battery or hard wired, NFPA 723 | Owner/$50–200 or 30 days |
USA (South Dakota) | None | | | |
USA (Tennessee) | 1989 | Rental | Battery or hard wired | Owner/misdemeanour |
USA (Texas) | 1984 | Rental | Battery or hard wired | Owner/State Fire Marshall |
USA (Utah) | None. | 1997 Uniform Building Code4 for new construction |
USA (Vermont) | 1994 | New 1 family | Battery or hard wired | |
USA (Virginia) | None. | Localities may require detectors, in conformance with Uniform Statewide Building Code and 1999 BOCA Code6 |
USA (Washington) | 1980 | All | Battery or hard wired, NFPA 723 | Owner/up to $50 |
USA (West Virginia) | 1991 | 1 and 2 family | Battery or hard wired, NFPA 723 | Owner/$50–100 |
USA (Wisconsin) | 1978 | 1 and 2 family, mobile homes | Functional | Owner/$25–500 |
USA (Wyoming) | None. | 1997 Uniform Building Code4 for new construction |