[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR111.01-1] [Page 210-213] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 111_ELECTRIC SYSTEMS_GENERAL REQUIREMENTS--Table of Contents Subpart 111.01_General Sec. 111.01-1 General. Subpart 111.01_General Sec. 111.01-1 General. 111.01-3 Placement of equipment. 111.01-5 Protection from bilge water. 111.01-7 Accessibility and spacing. 111.01-9 Degrees of protection. 111.01-11 Corrosion-resistant parts. 111.01-13 Limitations on porcelain use. 111.01-15 Temperature ratings. 111.01-17 Voltage and frequency variations. 111.01-19 Inclination of the vessel. Subpart 111.05_Equipment Ground, Ground Detection, and Grounded Systems 111.05-1 Purpose. Equipment Ground 111.05-3 Design, construction, and installation; general. 111.05-7 Armored and metallic-sheathed cable. 111.05-9 Masts. System Grounding 111.05-11 Hull return. 111.05-13 Grounding connection. 111.05-15 Neutral grounding. 111.05-17 Generation and distribution system grounding. 111.05-19 Tank vessels; grounded distribution systems. Ground Detection 111.05-21 Ground detection. 111.05-23 Location of ground indicators. 111.05-25 Ungrounded systems. 111.05-27 Grounded neutral alternating current systems. 111.05-29 Dual voltage direct current systems. Grounded Conductors 111.05-31 Grounding conductors for systems. 111.05-33 Equipment safety grounding (bonding) conductors. 111.05-37 Overcurrent devices. Subpart 111.10_Power Supply 111.10-1 Definitions. 111.10-3 Two generating sources. 111.10-4 Power requirements, generating sources. 111.10-5 Multiple energy sources. 111.10-7 Dead ship. 111.10-9 Ship's service supply transformers; two required. Subpart 111.12_Generator Construction and Circuits 111.12-1 Prime movers. 111.12-3 Excitation. 111.12-5 Generator construction and testing. 111.12-7 Voltage regulation and parallel operation. 111.12-9 Generator cables. 111.12-11 Generator protection. 111.12-13 Propulsion generator protection. Subpart 111.15_Storage Batteries and Battery Chargers: Contruction and Installation 111.15-1 General. 111.15-2 Battery construction. 111.15-3 Battery categories. 111.15-5 Battery installation. 111.15-10 Ventilation. 111.15-20 Conductors. 111.15-25 Overload and reverse current protection. 111.15-30 Battery chargers. Subpart 111.20_Transformer Construction, Installation, and Protection 111.20-1 General requirements. 111.20-5 Temperature rise. 111.20-10 Autotransformers. 111.20-15 Transformer overcurrent protection. [[Page 211]] Subpart 111.25_Motors 111.25-1 General requirements 111.25-5 Marking. 111.25-15 Duty cycle. Subpart 111.30_Switchboards 111.30-1 Location and installation. 111.30-3 Accessibility of switchboard components and connections. 111.30-4 Circuit breakers removable from the front. 111.30-5 Construction. 111.30-11 Deck coverings. 111.30-15 Nameplates. 111.30-17 Protection of instrument circuits. 111.30-19 Buses and wiring. 111.30-24 Generation systems greater than 3000 kw. 111.30-25 Alternating-current ship's service switchboards. 111.30-27 Direct current ship's service switchboards. 111.30-29 Emergency switchboards. Subpart 111.33_Power Semiconductor Rectifier Systems 111.33-1 General. 111.33-3 Nameplate data. 111.33-5 Installation. 111.33-7 Alarms and shutdowns. 111.33-9 Ventilation exhaust. 111.33-11 Propulsion systems. Subpart 111.35_Electric Propulsion 111.35-1 Electrical propulsion installations. Subpart 111.40_Panelboards 111.40-1 Panelboard standard. 111.40-5 Enclosure. 111.40-7 Location. 111.40-9 Locking device. 111.40-11 Numbered switching unit and panelboard directory. 111.40-13 Rating. 111.40-15 Overcurrent device. Subpart 111.50_Overcurrent Protection 111.50-1 Protection of equipment. 111.50-2 Systems integration. 111.50-3 Protection of conductors. 111.50-5 Location of overcurrent protective devices. 111.50-7 Enclosures. 111.50-9 Disconnecting and guarding. Subpart 111.51_Coordination of Overcurrent Protective Devices 111.51-1 Purpose. 111.51-3 Protection of vital equipment. Subpart 111.52_Calculation of Short-Circuit Currents 111.52-1 General. 111.52-3 Systems below 1500 kilowatts. 111.52-5 Systems 1500 kilowatts or above. Subpart 111.53_Fuses 111.53-1 General. Subpart 111.54_Circuit Breakers 111.54-1 Circuit breakers. 111.54-3 Remote control. Subpart 111.55_Switches 111.55-1 General. 111.55-3 Circuit connections. Subpart 111.59_Busways 111.59-1 General. 111.59-3 No mechanical cooling. Subpart 111.60_Wiring Materials and Methods 111.60-1 Cable construction and testing. 111.60-2 Specialty cable for communication and RF applications. 111.60-3 Cable application. 111.60-4 Minimum cable conductor size. 111.60-5 Cable installation. 111.60-6 Fiber optic cable. 111.60-7 Demand loads. 111.60-9 Segregation of vital circuits. 111.60-11 Wire. 111.60-13 Flexible electric cord and cables. 111.60-17 Connections and terminations. 111.60-19 Cable splices. 111.60-21 Cable insulation tests. 111.60-23 Metal-clad (Type MC) cable. Subpart 111.70_Motor Circuits, Controllers, and Protection 111.70-1 General. 111.70-3 Motor controllers and motor control centers. 111.70-5 Heater circuits. 111.70-7 Remote control, interlock, and indicator circuits. Subpart 111.75_Lighting Circuits and Protection 111.75-1 Lighting feeders. 111.75-5 Lighting branch circuits. 111.75-15 Lighting requirements. 111.75-16 Lighting of survival craft and rescue boats. 111.75-17 Navigation lights. 111.75-18 Signaling lights. 111.75-20 Lighting fixtures. [[Page 212]] Subpart 111.77_Appliances and Appliance Circuits 111.77-1 Overcurrent protection. 111.77-3 Appliances. Subpart 111.79_Receptacles 111.79-1 Receptacle outlets; general. 111.79-3 Grounding pole. 111.79-9 Transmitting power between receptacles. 111.79-11 Lifeboat receptacles. 111.79-13 Different voltages and power types. 111.79-15 Receptacles for refrigerated containers. Subpart 111.81_Outlet Boxes and Junction Boxes 111.81-1 Outlet boxes and junction boxes; general. 111.81-3 Cables entering boxes. Subpart 111.83_Shore Connection Boxes 111.83-1 General. 111.83-5 Bottom entrance and protected enclosures. Subpart 111.85_Electric Oil Immersion Heaters 111.85-1 Electric oil immersion heaters. Subpart 111.87_Electric Air Heating Equipment 111.87-1 Applicability. 111.87-3 General requirements. Subpart 111.91_Elevators and Dumbwaiters 111.91-1 Power, control, and interlock circuits. Subpart 111.95_Electric Power-Operated Boat Winches 111.95-1 Applicability. 111.95-3 General requirements. 111.95-7 Wiring of boat winch components. Subpart 111.97_Electric Power-Operated Watertight Door Systems 111.97-1 Applicability. 111.97-3 General requirements. 111.97-5 Electric and hydraulic power supply. 111.97-7 Distribution. 111.97-9 Overcurrent protection. Subpart 111.99_Fire Door Holding and Release Systems 111.99-1 Applicability. 111.99-3 Definitions. 111.99-5 General. Subpart 111.101_Submersible Motor-Driven Bilge Pumps 111.101-1 Applicability. 111.101-3 General requirements. Subpart 111.103_Remote Stopping Systems 111.103-1 Power ventilation systems except machinery space ventilation systems. 111.103-3 Machinery space ventilation. 111.103-7 Ventilation stop stations. 111.103-9 Machinery stop stations. Subpart 111.105_Hazardous Locations 111.105-1 Applicability. 111.105-3 General requirements. 111.105-5 System integrity. 111.105-7 Approved equipment. 111.105-9 Explosionproof and flameproof equipment. 111.105-11 Intrinsically safe systems. 111.105-15 Additional methods of protection. 111.105-17 Wiring methods for hazardous locations. 111.105-19 Switches. 111.105-21 Ventilation. 111.105-27 Belt drives. 111.105-29 Combustible liquid cargo carriers. 111.105-31 Flammable or combustible cargo with a flashpoint below 60 degrees C (140 degrees F), liquid sulphur carriers and inorganic acid carriers. 111.105-32 Bulk liquefied flammable gas and ammonia carriers. 111.105-33 Mobile offshore drilling units. 111.105-35 Vessels carrying coal. 111.105-37 Flammable anesthetics. 111.105-39 Additional requirements for vessels carrying vehicles with fuel in their tanks. 111.105-40 Additional requirements for RO/RO vessels. 111.105-41 Battery rooms. 111.105-43 Paint stowage or mixing spaces. 111.105-45 Vessels carrying agricultural products. Subpart 111.107_Industrial Systems 111.107-1 Industrial systems. Authority: 46 U.S.C. 3306, 3703; Department of Homeland Security Delegation No. 0170.1. Source: CGD 74-125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted. [[Page 213]] (a) Electric installations on vessels must ensure: (1) Maintenance of services necessary for safety under normal and emergency conditions. (2) Protection of passengers, crew, other persons, and the vessel from electrical hazards. (3) Maintenance of system integrity through compliance with the applicable system requirements (IEEE, NEC, IEC, etc.) to which plan review has been approved. (b) Combustible material should be avoided in the construction of electrical equipment. [CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28275, June 4, 1996; 62 FR 23907, May 1, 1997]