{"data":{"id":"us/46-cfr-112.20-5","jurisdiction":"us","citation":"46 CFR 112.20-5","heading":"-5 Failure of power from the normal source or final emergency power source.","body":"(a) If there is a reduction of potential of the normal source by 15 to 40 percent, the loads under § 112.15-1 must be automatically supplied from the temporary emergency power source.\n(b) For systems in which a reduction of frequency of the normal source or final emergency power source adversely affects the emergency system and emergency loads, there must be means to transfer the loads under § 112.15-1 to the temporary emergency power source upon a reduction in the frequency of the normal source or final emergency power source.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER J—ELECTRICAL ENGINEERING","PART 112—EMERGENCY LIGHTING AND POWER SYSTEMS","Subpart 112.20—Emergency Systems Having a Temporary and a Final Emergency Power Source"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"2ce0ebd8e4cea2f38df3f2bc9c8e22a0365ba862e7891a6c82a6104c8ae2d9c8","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-112.20-3","next":"us/46-cfr-112.20-10"},"notice":"GroundRules: Original legal text. Not legal advice."}