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CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER J—ELECTRICAL ENGINEERING (parts 110 to 113) > PART 112—EMERGENCY LIGHTING AND POWER SYSTEMS > SUBPART 112.20—Emergency Systems Having a Temporary and a Final Emergency Power Source (§112.20-1 to §112.20-15) > 112.20-1—General.
112.20-1—General.
This subpart contains requirements applicable to emergency power installations having both a temporary and a final emergency power source.