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 112.01—Definitions of Emergency Lighting and Power Systems (§112.01-1 to §112.01-20) > 112.01-15—Temporary emergency power source.