Excerpts
CFRâCode of Federal Regulations
FRâFederal Register
IBRâIncorporated by Reference
NPRMâNotice of proposed rulemaking
NRTLâNationally recognized ⦠UL 217, âSingle and Multiple Station Smoke Detectors,â already incorporated by reference in §â175.600 and 181.450.
In Subchapter K's interconnected fire ⦠type-approved multiple-station smoke detectors, and is already incorporated by reference in these sections.
The Director of the Federal Register has