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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 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS > SUBPART 111.20—Transformer Construction, Installation, and Protection (§111.20-1 to §111.20-15) > 111.20-10—Autotransformers.
111.20-10—Autotransformers.
An autotransformer must not supply feeders or branch circuits.