CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER J—ELECTRICAL ENGINEERING (parts 110 to 113) > PART 113—COMMUNICATION AND ALARM SYSTEMS AND EQUIPMENT > SUBPART 113.05—General Provisions (§113.05-5 to §113.05-7) > 113.05-5—Approved equipment.