A battery-operated detector meeting the requirements of NFPA 74, 1989 Edition, is permitted in an existing dwelling that has not undergone remodeling exceeding fifty percent of its assessed value. Detectors must be installed according to manufacturer's instructions.
S.C. Code Ann. § 5-25-1320
Battery-operated detectors permitted in certain existing dwellings
1994 Act No. 524, SECTION 1.
Official source: South Carolina Legislature. Reproduced from public-domain South Carolina statutes; confirm against the official source for the current text. Not legal advice.