CFR-2005-title46-vol4-chapI-subchapJ.pdf

SUBCHAPTER J—ELECTRICAL ENGINEERING

PART 110—GENERAL PROVISIONS

Subpart 110.01—Applicability

Sec.

110.01–1 General.

110.01–2 OMB control numbers assigned pur-suant to the Paperwork Reduction Act.

110.01–3 Repairs and alterations.

110.01–4 Right of appeal.

Subpart 110.10—Reference Specifications, Standards, and Codes

110.10–1 Incorporation by reference.

Subpart 110.15—Terms Used in This Subchapter

110.15–1 Definitions.

Subpart 110.20—Equivalents

110.20–1 Equivalents.

Subpart 110.25—Plan Submittal

110.25–1 Plans and information required for new construction.

110.25–3 Procedure for submitting plans.

Subpart 110.30—Testing and Inspection

110.30–1 General.

110.30–3 Initial inspection.

110.30–5 Inspection for certification.

110.30–7 Repairs or alterations.

AUTHORITY: 33 U.S.C. 1509; 43 U.S.C 1333; 46

U.S.C. 3306, 3307, 3703; E.O. 12234, 45 FR 58801,

3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1;

§ 110.01–2 also issued under 44 U.S.C. 3507.

SOURCE: CGD 74–125A, 47 FR 15232, Apr. 8, 1982, unless otherwise noted.

Subpart 110.01—Applicability

§ 110.01–1 General.

(a) This subchapter applies to all electrical installations on vessels sub-ject to subchapters D, H, I, I-A, K, L, O, Q, R, T, U, and W of this chapter when-ever those subchapters require an elec-trical installation to be in accordance with this subchapter.

(b) This subchapter applies only to electrical installations contracted for after September 30, 1996.

(c) Installations and equipment ac-cepted by the Coast Guard as meeting the applicable requirements in this subchapter in effect on the date the in-stallation was contracted for and which are maintained in good and serv-iceable condition to the satisfaction of the Officer in Charge, Marine Inspec-tion, may be continued in use until re-placement is ordered by the Officer in Charge, Marine Inspection, or as speci-fied in the regulations.

(d) [Reserved]

(e) Electrical systems internal to a pressure vessel for human occupancy (PVHO) need not meet the require-ments of this subchapter, but must meet the requirements of Subpart B (Commercial Diving Operations) of part 197 of this chapter.

[CGD 74–125A, 47 FR 15232, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28271, June 4, 1996]

§ 110.01–2 OMB control numbers as-signed pursuant to the Paperwork Reduction Act.

(a) Purpose. This section collects and displays the control numbers assigned to information collection and record-keeping requirements in this sub-chapter by the Office of Management and Budget (OMB) pursuant to the Pa-perwork Reduction Act of 1980 (44 U.S.C. 3501 et seq.). The Coast Guard in-tends that this section comply with the requirements of 44 U.S.C. 3507(f) which requires that agencies display a cur-rent control number assigned by the Director of the OMB for each approved agency information collection require-ment.

(b) Display.

46 CFR part or section where identified or described

Current OMB control No.

Subpart 110.25 .............................................. 1625–0031

[49 FR 38121, Sept. 27, 1984, as amended by USCG–2004–18884, 69 FR 58348, Sept. 30, 2004]

§ 110.01–3 Repairs and alterations.

(a) Repairs and replacements in kind must comply with either the regula-tions in this subchapter or those in ef-fect when the vessel was built.

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Coast Guard, DHS § 110.10–1

(b) Alterations and modifications, such as re-engining, re-powering, up-grading of the main propulsion control system, or replacing extensive amounts of cabling, must comply with the regu-lations in this subchapter.

(c) Conversions specified in 46 U.S.C.

2101(14a), such as the addition of a midbody or a change in the service of the vessel, are handled on a case-by-case basis by the Commanding Officer, Marine Safety Center.

[CGD 94–108, 61 FR 28271, June 4, 1996, as amended at 62 FR 23906, May 1, 1997]

§ 110.01–4 Right of appeal.

Any person directly affected by a de-cision or action taken under this sub-chapter, by or on behalf of the Coast Guard, may appeal therefrom in ac-cordance with subpart 1.03 of this chap-ter.

[CGD 88–033, 54 FR 50380, Dec. 6, 1989]

Subpart 110.10—Reference Speci-fications, Standards, and Codes

§ 110.10–1 Incorporation by reference.

(a) Certain material is incorporated by reference into this subchapter with the approval of the Director of the Fed-eral Register under 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in paragraph

(b) of this section, the Coast Guard must publish notice of change in the FEDERAL REGISTER; and the material must be available to the public. All ap-proved material is available for inspec-tion at the U.S. Coast Guard, (G-MSE), 2100 Second Street SW., Washington, DC 20593–0001, or at the National Ar-chives and Records Administration (NARA). For information on the avail-ability of this material at NARA, call 202–741–6030, or go to: http:// www.archives.gov/federallregister/ codeloflfederallregulations/ ibrllocations.html. All material is available from the sources indicated in paragraph (b) of this section.

(b) The material approved for incor-poration by reference in this sub-chapter and the sections affected are as follows:

American Bureau of Shipping (ABS) American Bureau of Ship-ping, ABS Plaza, 16855 Northchase Drive, Houston, TX 77060:

Rules for Building and Classing Steel Vessels, 1996 ........... 110.15–1; 111.01–9; 111.12–1(a);

111.12–3; 111.12–5; 111.12–7;

111.33–11; 111.35–1; 111.70– 1(a); 111.105–31(n); 111.105– 39(a); 111.105–40(a); 113.05–7.

Rules for Building and Classing Mobile Offshore Drilling Units, 1994.

111.12–1(a); 111.12–3; 111.12–5;

111.12–7; 111.33–11; 111.35–1;

111.70–1(a).

American National Standards Institute (ANSI), American Na-tional Standards Institute, 11 West 42nd Street, New York, NY 10036:

ANSI/ASME A17.1, Safety Code for Elevators and Esca-lators, 1993.

111.91–1

ANSI/ASME A17.1A, Addenda to ANSI/ASME A17.1, Safe-ty Code for Elevators and Escalators (including Errata, 1995), 1994.

111.91–1.

ANSI/IEEE C37.04, Rating Structure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis, 1979.

111.54–1(c).

ANSI C37.12, For AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis—Specification Guide, 1991.

111.54–1(c).

American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, West Conshohocken, PA 19428–2959:

ASTM B 117–97, Standard Practice for Operating Salt Spray (Fog) Apparatus.

110.15–1.

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46 CFR Ch. I (10–1–05 Edition) § 110.10–1

ASTM D 4066–96a, Standard Classification System for Nylon Injection and Extrusion Materials (PA).

111.60–1.

Institute of Electrical and Electronic Engineers (IEEE), IEEE Service Center, 445 Hoes Lane, Piscataway, NJ 08854:

IEEE Std C37.13, IEEE Standard for Low-Voltage AC Power Circuit Breakers used in Enclosures, 1990.

111.54–1(c).

IEEE Std C37.14, IEEE Standard for Low-Voltage DC Power Circuit Breakers Used in Enclosures, 1992.

111.54–1(c).

IEEE Std 45–1983, IEEE Recommended Practice for Elec-tric Installations on Shipboard, 1983.

111.05–7; 111.15–2(b); 111.30–1;

111.30–5(a); 111.30–19(a);

111.33–3(a); 111.33–5(a);

111.40–1; 111.60–1(a); 111.60–2;

111.60–3; 111.60–5(a); 111.60– 6(a); 111.60–11(c); 111.60–13(a);

111.60–19(b); 111.60–21; 111.60– 23(d); 111.75–5(b); 111.105–3;

111.105–31(e); 111.105–41;

111.107–1(c); 113–65–5.

IEEE Std 100–1992, The New IEEE Standard Dictionary of Electrical and Electronics Terms, 1992.

110.15–1(a).

IEEE Std 320, Application Guide for AC High-Voltage Cir-cuit Breakers Rated on a Symmetrical Current Basis

(ANSI/IEEE C37.010–79), 1979.

111.54–1(c).

IEEE Std 331, Application Guide for Low-Voltage AC Nonintegrally Fused Power Circuit Breakers (Using Separately Mounted Current-Limiting Fuses) (ANSI/

IEEE C37.27), 1987.

111.54–1(c).

IEEE Std 1202–1991, IEEE Standard for Flame Testing of Cables for Use in Cable Tray in Industrial and Commer-cial Occupancies, 1991.

111.60–2; 111.60–6(a); 111.107– 1(c).

International Association of Drilling Contractors (IADC), Inter-national Association of Drilling Contractors, PO Box 4287, Houston, TX 77210–4287:

IADC-DCCS-1/1991, Guidelines for Industrial System DC Cable for Mobile Offshore Drilling Units, 1991.

111.60–1(f).

International Electrotechnical Commission (IEC) 3, rue de Varembe, Geneva, Switzerland. (Also available from ANSI—address above.)

IEC 56, High-Voltage Alternating-Current Circuit-Break-ers, 1987, (Including Amendment 1, 1992, Amendment 2, 1995, and Amendment 3, 1996).

111.54–1.

IEC 68–2–52, Basic Environmental Testing Procedures, Part 2: Tests. Test KB: Salt Mist, Cyclic (Sodium Chlo-ride Solution), 1984.

110.15–1(b).

IEC 79–0, Electrical Apparatus for Explosive Gas Atmospheres, Part 0: General Requirements, 1983 (In-cluding Amendment 2, 1991).

111.105–1; 111.105–3; 111.105–5;

111.105–7; 111.105–15(b);

111.105–17(b).

IEC 79–1, Electrical Apparatus for Explosive Gas Atmospheres, Part 1: Construction and Test of Flame-proof Enclosures of Electrical Apparatus, 1990 [Includ-ing the First Supplement to the Second Edition (1971), 1975, and Amendment 1 to the Third Edition (1990), 1993].

111.105–3; 111.105–5; 111.105–9;

111.105–15(b); 111.105–17(b).

IEC 79–2, Electrical Apparatus for Explosive Gas Atmospheres, Part 2: Electrical Apparatus—Type of Protection ‘‘p’’, 1983.

111.105–3; 111.105–5; 111.105– 7(b); 111.105–15(b); 111.105– 17(b).

IEC 79–5, Electrical Apparatus for Explosive Gas Atmospheres, Part 5: Sand-Filled Apparatus. First Edi-tion (1967), Incorporating the First Supplement, (1969).

111.105–3; 111.105–5; 111.105– 15(a); 111.105–15(b); 111.105– 17(b).

IEC 79–6, Electrical Apparatus for Explosive Gas Atmospheres, Part 6: Oil-Immersion ‘‘o’’, 1995.

111.105–3; 111.105–5; 111.105– 15(a); 111.105–15(b); 111.105– 17(b).

IEC 79–7, Electrical Apparatus for Explosive Gas Atmospheres, Part 7: Increased Safety ‘‘e’’, 1990 (In-cluding Amendment 1, 1991, and Amendment 2 1993).

111.105–3; 111.105–5; 111.105– 15(a); 111.105–15(b); 111.105– 17(b).

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IEC 79–11, Electrical Apparatus for Explosive Gas Atmospheres, Part 11: Intrinsic Safety ‘‘i’’, 1991.

111.105–3; 111.105–5; 111.105– 11(a); 111.105–15(b); 111.105– 17(b).

IEC 79–15, Electrical Apparatus for Explosive Gas Atmospheres, Part 15: Electrical Apparatus with Type of Protection ‘‘n’’, 1987.

111.105–3; 111.105–5; 111.105– 15(a); 111.105–5(b); 111.105– 17(b).

IEC 79–18, Electrical Apparatus for Explosive Gas Atmospheres, Part 18: Encapsulation ‘‘m’’, 1992.

111.105–3; 111.105–5; 111.105– 15(a); 111.105–15(b); 111.105– 17(b).

IEC 92–3, Electrical Installation in Ships, Part 3: Cables (construction, testing and installations) Second Edi-tion, 1965, as amended through August, 1982.

111.05–7; 111.60–1(a); 111.60–3(a);

111.60–3(c); 111.81–1(d).

IEC 92–101, Electrical Installations in Ships, Part 101:

Definitions and General Requirements, 1994 (Including Amendment 1, 1995).

110.15–1(a); 111.81–1(d).

IEC 92–201, Electrical Installations in Ships, Part 201:

System Design—General 1994.

111.70–3(a); 111.81–1(d).

IEC 92–202, Electrical Installations in Ships, Part 202:

System Design—Protection, 1994.

111.50–3(c); 111.50–3(e); 111.50– 3(g); 111.53–1(a); 111.54–1(a);

111.81–1(d).

IEC 92–301, Electrical Installations in Ships, Part 301:

Equipment—Generators and Motors, 1980 (Including Amendment 1, 1994, and Amendment 2, 1995).

111.25–5(a); 111.70–1(a); 111.81– 1(d).

IEC 92–302, Electrical Installations in Ships, Part 302:

Equipment—Switchgear and Controlgear Assemblies, 1980 (Including Amendment 1, 1989, and Amendment 2, 1994).

111.30–1; 111.30–5(a); 111.30– 19(a); 111.81–1(d).

IEC 92–303, Electrical Installations in Ships, Part 303:

Equipment—Transformers for Power and Lighting, 1980.

111.20–15; 111.81–1(d).

IEC 92–304, Electrical Installations in Ships, Part 304:

Equipment—Semiconductor Converters, 1980 (Including Amendment 1, 1995).

111.33–3(a); 111.33–5(b); 111.81– 1(d).

IEC 92–306, Electrical Installations in Ships, Part 306:

Equipment—Luminaires and Accessories, 1980.

111.75–20(a); 111.81–1(d).

IEC 92–350, Electrical Installations in Ships, Part 350:

Low-Voltage Shipboard Power Cables—General Con-struction and Test Requirements, 1988, Amendment 1 (1994).

111.60–1.

IEC 92–352, Electrical Installations in Ships, Part 352:

Choice and Installation of Cables for Low-Voltage Power Systems, 1979, (Including Amendment 1, 1987, and Amendment 2, 1994).

111.60–3(a); 111.60–3(c); 111.60–5;

111.81–1(d).

IEC 92–353, Electrical Installations in Ships, Part 353:

Single and Multicore Non-radial Field Power Cables with Extruded Solid Insulation for Rated Voltages 1 kV and 3 kV, Second edition, 1995–01.

111.60–1, 111.60–3.

IEC 92–401, Electrical Installations in Ships, Part 401: In-stallation and Test of Completed Installation, 1987.

111.05–9.

IEC 92–501, Electrical Installations in Ships, Part 501:

Special Features—Electric Propulsion Plant, 1984.

111.81–1(d).

IEC 92–502, Electrical Installations in Ships, Part 502:

Tankers—Special Features, 1994.

111.81–1(d); 111.105–31(e).

IEC 92–503, Electrical Installations in Ships, Part 503:

Special Features—A.C. Supply systems with Voltages in the Range Above 1KV up to and including 11KV, 1975.

111.30–5(a); 111.81–1(d).

IEC 92–504, Electrical Installations in Ships, Part 504:

Special Features—Control and Instrumentation, 1994.

111.81–1(d).

IEC 331, Fire resisting characteristics of electric cables, 1970.

113.30–25(i).

IEC 332–1, Tests on Electric Cables Under Fire Condi-tions, Part 1: Test on a Single Vertical Insulated Wire or Cable, 1993.

111.30–19(b).

IEC 332–3, Tests on Electric Cables Under Fire Condi-tions, Part 3: Test on bunched wires or cables, 1992.

111.60–1(b); 111.60–2; 111.60–6(a);

111.107–1(c).

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46 CFR Ch. I (10–1–05 Edition) § 110.10–1

IEC 363, Short-Circuit Current Evaluation with Special Regard to Rated Short-Circuit Capacity of Circuit- Breakers in Installations in Ships, 1972.

111.52–5(c).

IEC 529, Degrees of protection provided by enclosures (IP Code) 1989.

111.01–9(a); 111.01–9(b); 111.01– 9(c); 111.01–9(d); 111.01–9 (Note); 113.10–7; 113.20–3;

113.25–11; 113.30–25(c); 113.30– 25(h); 113.40–10(b).

IEC 533, Electromagnetic Compatibility of Electrical and Electronic Installations in Ships, 1977.

113.05–7.

IEC 947–2, Low-Voltage Switchgear and Controlgear, Part 2: Circuit Breakers, 1989 (Including Amendment 1, 1992 and Amendment 2, 1993).

111.54–1(b).

IEC IP Code, see IEC 529.

International Maritime Organization (IMO), International Mar-itime Organization, Publications Section, 4 Albert Em-bankment, London SE1 7SR, United Kingdom:

International Convention for the Safety of Life at Sea, 1974 (SOLAS 74) Consolidated Edition, (Including 1992 Amendments to SOLAS 74, and 1994 Amendments to

SOLAS 74), 1992.

111.99–5; 111.105–31(n); 112.15– 1(r); 113.25–6.

The International Society for Measurement and Control (ISA), International Society for Measurement and Control, 67 Al-exander Drive. P.O. Box 12277 Research Triangle Park, NC 27709:

RP 12.6, Wiring Practices for Hazardous (Classified) Loca-tions Instrumentation Part I: Intrinsic Safety, 1995.

111.105–11(e).

National Electrical Manufacturers Association (NEMA), Na-tional Electrical Manufacturers Association, 2101 L Street, NW, Washington, DC 20036:

NEMA Standards Publication No. ICS 2, Industrial Con-trol and Systems Controllers, Contractors, and Over-load Relays Rated not more than 2000 Volts AC or 750 Volts DC, 1993.

111.70–3(a).

NEMA Standards Publication No. 2.3 1983, Instructions for the Handling, Installation, Operation, and Mainte-nance of Motor Control Centers, 1983.

111.70–3(a).

NEMA Standards Publication No. 2.4, NEMA and IEC De-vices for Motor Service—A Guide for Understanding the Differences, 1989.

111.70–3(a).

NEMA Standards Publication No. 250, Enclosures for Electrical Equipment (1000 Volts Maximum), 1991.

111.01–9(a); 111.01–9(b); 111.01– 9(c); 111.01–9(d); 111.01–9 (Note); 111.10–7; 113.20–3;

113.25–11; 113.30–25(c); 113.30– 25(h); 113.40–10(b).

NEMA Standards Publication No. WC–3, Rubber Insu-lated Wire and Cable for the Transmission and Dis-tribution of Electrical Energy, 1980 (with revisions through May 1989).

111.60–13(a); 111.60–13(c).

NEMA Standards Publication No. WC–8, Ethylene-Pro-pylene-Rubber-Insulated Wire and Cable for the Trans-mission and Distribution of Electrical Energy, 1988 (with revisions through 1992).

111.60–13(a); 111.60–13(c).

National Fire Protection Association (NFPA), National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269:

NEC, see NFPA 70.

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NFPA 70, National Electrical Code (NEC), 1996 ................. 111.05–33; 111.20–15; 111.25–5(a);

111.50–3(c); 111.50–7; 111.50–9;

111.53–1(a); 111.54–1(a);

111.55–1(a); 111.59–1; Table 111.60–7; 111.60–13(a); 111.60– 13(b); 111.60–13(c); 111.60–23;

111.81–1(d); 111.105–1; 111.105– 1 (Note); 111.105–3; 111.105–5;

111.105–7; 111.105–9; 111.105– 15(a); 111.105–17(b); 111.107– 1(b).

NFPA 77, Recommended Practice on Static Electricity, 1993.

111.105–27.

NFPA 99, Standard for Health Care Facilities, 1996 .......... 111.105–37.

NFPA 496, Standard for Purged and Pressurized Enclo-sures for Electrical Equipment, 1993.

111.105–7(b).

Naval Publications and Forms Center (NPFC), Naval Publica-tions and Forms Center, Customer Service—Code 1052, 5801 Tabor Avenue Philadelphia, PA 19120:

MIL-W-76D, Military Specification Wire and Cable, Hook-up, Electrical, Insulated, General Specification For, 1992.

111.60–11(c).

MIL-W-16878F, Military Specification, Wire, Electrical, Insulated, General Specification For, 1992.

111.60–11(c).

MIL-C-24640A, Military Specification Cables, Light Weight, Electric, Low Smoke, For Shipboard Use, Gen-eral Specification For, 1995.

111.60–1(a); 111.60–3(c).

MIL-C-24643A, Military Specification Cables and Cords, Electric, Low Smoke, For Shipboard Use, General Specification For, 1994 (Including Amendment 1).

111.60–1(a); 111.60–3(c).

Naval Sea Systems Command (NAVSEA), Naval Sea Systems Command, Code 55Z, Department of Navy Washington, DC 20362:

DDS 300–2, A. C. Fault Current Calculations, 1988 ............. 111.52–5.

MIL-HDBK-299 (SH), Military Handbook Cable Compari-son Handbook Data Pertaining to Electric Shipboard Cable, 1989.

111.60–3(c).

NEC, see NFPA 70.

Underwriters Laboratories, Inc. (UL) 12 Laboratory Drive, Re-search Triangle Park, NC 27709–3995.

UL 44, Standard for Rubber-Insulated Wire and Cable, 1991 (including revisions through February, 1996).

111.60–11(c).

UL 50, Standard for Enclosures for Electrical Equipment, 1995.

111.81–1(d).

UL 62, Standard for Flexible Cord and Fixture Wire, 1991 (including revisions through February, 1996).

111.60–13(a).

UL 83, Standard for Thermoplastic-Insulated Wires and Cables, 1991 (including revisions through March, 1996).

111.60–1(c); 111.60–11(c).

UL 489, Standard for Molded-Case Circuit Breakers and Circuit-Breaker Enclosures, 1991 (including revisions through June, 1995).

111.01–15(c); 111.54–1(b).

UL 514A, Standard for Metallic Outlet Boxes, 1991 (in-cluding revisions through April, 1995).

111.81–1(d).

UL 514B, Standard for Fittings for Conduit and Outlet Boxes, 1989 (including revisions through April, 1995).

111.81–1(d).

UL 514C, Standard for Nonmetallic Outlet Boxes, Flush- Device Boxes, and Covers, 1988 (including revisions through April, 1995).

111.81–1(d).

UL 595, Standard for Marine-Type Electric Lighting Fix-tures, 1985 (including revisions through September, 1991).

111.75–20(a); 111.75–20(e).

UL 913, Standard for Intrinsically Safe Apparatus and As-sociated Apparatus for Use in Class I, II, and III Divi-sion 1, Hazardous (Classified) Locations, 1988.

111.105–11(a).

UL 1042, Standard for Electric Baseboard Heating Equip-ment, 1994 (including revisions through November, 1995).

111.87–3(a).

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46 CFR Ch. I (10–1–05 Edition) § 110.15–1

UL 1072, Standard for Medium-Voltage Power Cables, 1995 (including revisions through January, 1996).

111.60–1(e).

UL 1096, Standard for Electric Central Air Heating Equip-ment, 1986 (including revisions through January, 1988).

111.87–3(a).

UL 1104, Standard for Marine Navigation Lights, 1981 (in-cluding revisions through May, 1988).

111.75–17(d).

UL 1203, Standard for Explosion-Proof and Dust-Ignition- Proof Electrical Equipment for Use in Hazardous (Clas-sified) Locations, 1994 (including revisions through Oc-tober, 1995).

111.105–9.

UL 1309, Standard for Marine Shipboard Cable, First edi-tion, July 14, 1995.

111.60–1, 111.60–3.

UL 1569, Standard for Metal-Clad Cables, 1995 (including revisions through April, 1996).

111.60–23(a).

UL 1570, Standard for Fluorescent Lighting Fixtures, 1988 (including revisions through April, 1996).

111.75–20.

UL 1571, Standard for Incandescent Lighting Fixtures, 1995 (including revisions through April, 1996).

111.75–20.

UL 1572, Standard for High Intensity Discharge Lighting Fixtures, 1995 (including revisions through May, 1996).

111.75–20.

UL 1573, Standard for Stage and Studio Lighting Units, 1994 (including revisions through February, 1995).

111.75–20.

UL 1574, Standard for Track Lighting Systems, 1995 (in-cluding revisions through July, 1995).

111.75–20.

ANSI/UL 1581, Reference Standard for Electrical Wires, Cables, and Flexible Cords, 1991 (including revisions through January, 1996).

111.30–19(b); 111.60–2; 111.60– 6(a).

(c) The word ‘‘should,’’ when used in material incorporated by reference, is to be construed the same as the words ‘‘must’’ or ‘‘shall’’ for the purposes of this subchapter.

[CGD 94–108, 61 FR 28271, June 4, 1996; 61 FR 33045, June 26, 1996; 61 FR 36786–36787, July 12, 1996; 61 FR 49691, Sept. 23, 1996, as amended at 62 FR 23906, May 1, 1997; CGD 97–057, 62 FR 51046, Sept. 30, 1997; USCG 1999–5151, 64 FR 67182, Dec. 1, 1999; USCG–2000–7790, 65 FR 58462, Sept. 29, 2000; USCG–1999–6096, 66 FR 29911, June 4, 2001]

Subpart 110.15—Terms Used in This Subchapter

§ 110.15–1 Definitions.

As used in this subchapter—

(a) The electrical and electronic terms are defined in IEEE Std 100 or

IEC 92–101.

(b) In addition to the definitions in paragraph (a) of this section—

Coastwise Vessel means a vessel that normally navigates the waters of any ocean or the Gulf of Mexico 20 nautical miles or less offshore and is certifi-cated for coastwise navigation by the Coast Guard.

Commandant means the Commandant of the Coast Guard.

Corrosion resistant material or finish means any material or finish that meets the testing requirements of ASTM B 117 (incorporated by reference, see § 110.10–1) or test Kb in IEC 68–2–52 for 200 hours and does not show pitting, cracking, or other deterioration more severe than that resulting from a simi-lar test on passivated AISI Type 304 stainless steel.

Corrosive location means a location exposed to the weather on vessels oper-ating in salt water or a location on board which may be exposed to the cor-rosive effects of the cargo carried or of the vessel’s systems.

Dead ship condition is the condition in which the main propulsion plant, boil-ers and auxiliaries are not in operation due to the absence of power.

Dripproof means enclosed so that equipment meets at least a NEMA 250 Type 1 with dripshield, NEMA 250 Type 2, NEMA 250 Type 12, or IEC IP 22 rat-ing.

Embarkation station means a location from which persons embark into sur-vival craft or are assembled before em-barking into survival craft.

Emergency squad means the crew des-ignated on the station bill as the nu-cleus of a damage control party.

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Coast Guard, DHS § 110.25–1

Flashpoint means the minimum tem-perature at which a liquid gives off a vapor in sufficient concentration to form an ignitable mixture with air near the surface of the liquid, as speci-fied by the appropriate test procedure and apparatus.

Great Lakes vessel means a vessel that navigates exclusively on the Great Lakes and their connecting and tribu-tary waters.

Independent laboratory means a lab-oratory that is accepted by the Com-mandant under part 159 of this chapter for the testing and listing or certifi-cation of electrical equipment.

Location not requiring an exceptional degree of protection means a location which is not exposed to the environ-mental conditions outlined in the defi-nition for locations requiring excep-tional degrees of protection. This loca-tion requires the degree of protection of § 111.01–9 (c) or (d) of this chapter.

These locations include—

(1) An accommodation space;

(2) A dry store room;

(3) A passageway adjacent to quar-ters;

(4) A water closet without a shower or bath;

(5) A radio, gyro and chart room; and

(6) A location with similar environ-mental conditions.

Location requiring an exceptional de-gree of protection means a location ex-posed to weather, seas, splashing, pres-sure-directed liquids, or similar mois-ture conditions. These locations in-clude—

(1) On deck;

(2) A machinery space;

(3) A cargo space;

(4) A location within a galley or pan-try area, laundry, or water closet which contains a shower or bath; and

(5) Other spaces with similar environ-mental conditions.

Marine inspector or inspector means a civilian employee or military member of the Coast Guard assigned by an Offi-cer in Charge, Marine Inspection, or the Commandant to perform duties with respect to the inspection, enforce-ment, and administration of vessel safety and navigation laws and regula-tions.

Nonsparking fan means nonsparking fan as defined in ABS Rules for Build-ing and Classing Steel Vessels, section 4/5B7.7.

Ocean vessel means a vessel that navi-gates the waters of any ocean or the Gulf of Mexico more than 20 nautical miles offshore and is certificated by the Coast Guard for ocean navigation.

Qualified person means a person who by virtue of that person’s knowledge, ability, experience, specialized train-ing, or licensing can competently and safely perform required electrical du-ties or functions.

Waterproof means watertight; except that, moisture within or leakage into the enclosure is allowed if it does not interfere with the operation of the equipment enclosed. In the case of a generator or motor enclosure, water-proof means watertight; except that, leakage around the shaft may occur if the leakage is prevented from entering the oil reservoir and the enclosure pro-vides for automatic drainage.

Watertight means enclosed so that equipment meets at least a NEMA 250 Type 4 or 4X or an IEC IP 56 rating.

[CGD 94–108, 61 FR 28274, June 4, 1996, as amended at 62 FR 23907, May 1, 1997; 62 FR 27659, May 20, 1997; USCG–2000–7790, 65 FR 58462, Sept. 29, 2000]

Subpart 110.20—Equivalents § 110.20–1 Equivalents.

The Commanding Officer, Marine Safety Center (MSC), may approve any arrangement, fitting, appliance, appa-ratus, equipment, calculation, informa-tion, or test that provides a level of safety equivalent to that established by specific provisions of this sub-chapter. Requests for approval must be submitted to the Marine Safety Center.

If necessary, the Marine Safety Center may require engineering evaluations and tests to demonstrate the equiva-lence of the substitute.

[CGD 94–108, 61 FR 28275, June 4, 1996]

Subpart 110.25—Plan Submittal

§ 110.25–1 Plans and information re-quired for new construction.

The following plans, if applicable to the particular vessel, must be sub-mitted for Coast Guard review in ac-cordance with § 110.25–3:

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46 CFR Ch. I (10–1–05 Edition) § 110.25–1

NOTE: A Navigation and Vessel Inspection Circular on the Subject of ‘‘Coast Guard Re-view of Merchant Vessel Plans and Specifica-tions’’ is available from the offices listed in § 110.25–3. The Circular recommends practices and procedures for plan submittals.

(a) Elementary one-line wiring dia-gram of the power system, supported, by cable lists, panelboard summaries, and other information including—

(1) Type and size of generators and prime movers;

(2) Type and size of generator cables, bus-tie cables, feeders, and branch cir-cuit cables;

(3) Power, lighting, and interior com-munication panelboards with number of circuits and rating of energy con-suming devices;

(4) Type and capacity of storage bat-teries;

(5) Rating of circuit breakers and switches, interrupting capacity of cir-cuit breakers, and rating or setting of overcurrent devices;

(6) Computations of short circuit cur-rents in accordance with Subpart 111.52; and

(7) Overcurrent protective device co-ordination analysis for each generator distribution system of 1500 kilowatts or above that includes selectivity and shows that each overcurrent device has an interrupting capacity sufficient to interrupt the maximum asymmetrical short-circuit current available at the point of application.

(b) Electrical plant load analysis in-cluding connected loads and computed operating loads for each condition of operation.

(c) Elementary and isometric or deck wiring plans, including the location of each cable splice, a list of symbols, and the manufacturer’s name and identi-fication of each item of electrical equipment, of each—

(1) Steering gear circuit and steering motor controller;

(2) General emergency alarm system;

(3) Sound-powered telephone or other fixed communication system;

(4) Power-operated boat winch;

(5) Fire detecting and alarm system;

(6) Smoke detecting system;

(7) Electric watertight door system;

(8) Fire door holding systems;

(9) Public address system;

(10) Manual alarm system; and

(11) Supervised patrol system.

(d) Deck wiring or schematic plans of power systems and lighting systems, including symbol lists, with manufac-turer’s name and identification of each item of electric equipment, and show-ing:

(1) Locations of cables;

(2) Cable sizes and types;

(3) Locations of each item of electric equipment;

(4) Locations of cable splices.

(e) Switchboard wiring diagram.

(f) Switchboard material and name-plate list.

(g) Elementary wiring diagram of metering and automatic switchgear.

(h) Description of operation of pro-pulsion control and bus transfer switchgear.

(i) For vessels with hazardous loca-tions for which part 111, subpart 111.105, is applicable, plans showing the extent and classification of all haz-ardous locations, including informa-tion on—

(1) Equipment identification by man-ufacturer’s name and model number;

(2) Equipment use within the system;

(3) Cable parameters;

(4) Equipment locations;

(5) Installation details; and

(6) A certificate of testing, and list-ing or certification, by an independent laboratory, where required by the re-spective standard.

(j) Plans and installation instruc-tions for each approved component of an intrinsically safe system listed or certified by an independent laboratory (see § 111.105–11 of this chapter).

(k) Motor starter elementary wiring diagram, enclosure drawing, and start-er application.

(l) Plans and information sufficient to evaluate equipment to be considered for equivalency under § 110.20–1.

(m) Plans and information sufficient to evaluate equipment or systems re-quired to meet the specifications of this Subchapter but not to be approved by the Commandant.

NOTE TO PARAGRAPH (m): This equipment evaluation is generally performed by the Commanding Officer, Marine Safety Center and includes items such as cable splices, sig-nalling lights, shore connection boxes, sub-mersible pumps, engine order telegraph sys-tems, shaft speed and thrust indicator sys-tems, and steering gear failure alarm sys-tems.

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Coast Guard, DHS § 110.30–3

(n) Plans and information sufficient to evaluate equipment required by this subchapter to meet a reference stand-ard or military specification.

NOTE TO PARAGRAPH (n): This equipment evaluation is generally performed by the Commanding Officer, Marine Safety Center, and includes items such as circuit breakers, switches, lighting fixtures, air heating equip-ment, busways, outlet boxes, and junction boxes. Items required to meet an IEEE, IEC, NEMA, UL, ANSI, or other industry standard or a military specification are considered ac-ceptable if manufacturer’s certification of compliance is indicated on a material list or plan. However, if the standards require third-party testing and listing or certification, proof of listing or certification by an inde-pendent laboratory must also be submitted.

(o) Detailed analysis showing compli-ance with the MC cable requirements in § 111.60–23(b) of this chapter.

[CGD 74–125A, 47 FR 15232, Apr. 8, 1982, as amended by CGD 81–030, 53 FR 17846, May 18, 1988; CGD 94–108, 61 FR 28275, June 4, 1996; 62 FR 23907, May 1, 1997]

§ 110.25–3 Procedure for submitting plans.

(a) The plans required by § 110.25–1 must be submitted to one of the fol-lowing Coast Guard offices:

(1) Commanding Officer, U.S. Coast Guard Marine Safety Center (MSC), 400 Seventh St., SW., Washington, DC 20590–0001.

(2) The Officer in Charge, Marine In-spection at or nearest the place where the vessel is to be built.

(b) [Reserved]

(c) Three copies of each plan are re-quired so that one can be returned to the submitter. If the submitter desires additional copies of approved plans, he should submit enough for the necessary distribution.

NOTE: The Coast Guard and the American Bureau of Shipping (ABS) coordinate plan review for vessels classed by the ABS in order to eliminate duplication of effort. An applicant for plan review of a vessel that is classed by the ABS should consult Com-manding Officer, Marine Safety Center, to determine applicable procedures for submit-ting plans.

[CGD 74–125A, 47 FR 15232, Apr. 8, 1982, as amended by CGD 82–063b, 48 FR 4781, Feb. 3, 1983; CGD 85–048b, 51 FR 15498, Apr. 24, 1986;

CGD 88–070, 53 FR 34534, Sept. 7, 1988; CGD 89– 025, 54 FR 19571, May 8, 1989; CGD 95–072, 60 FR 50465, Sept. 29, 1995; CGD 94–108, 61 FR 28275, June 4, 1996; CGD 96–041, 61 FR 50730, Sept. 27, 1996]

EDITORIAL NOTE: By CGD 96–041, 61 FR 50730, Sept. 27, 1996, paragraph (a)(1) of § 110.25–3 was amended by removing the word ‘‘(G-MSC)’’. However, by CGD 94–108, 61 FR 28275, June 4, 1996, the word ‘‘(G-MSC)’’ was removed and the word ‘‘(MSC)’’ was added in its place.

Subpart 110.30—Testing and Inspection

§ 110.30–1 General.

(a) This section supplements the gen-eral requirements for testing and in-specting vessels in other parts of this chapter.

(b) In the inspection of electric equipment and installations, the rules of the American Bureau of Shipping for materials and construction, and the certificate of classification that refers to them, except as otherwise provided by this subchapter, are accepted as standard.

(c) This subpart must not be con-strued to imply that shop tests or fac-tory inspections of electric apparatus or equipment of the types conducted by the American Bureau of Shipping are conducted by the Coast Guard. Shop tests of electric apparatus or equip-ment are conducted by the Coast Guard only when required by this chapter or when requested, either by the manufac-turer, shipbuilder, owner, or the Coast Guard, and agreed to by all.

[CGD 74–125A, 47 FR 15232, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28275, June 4, 1996]

§ 110.30–3 Initial inspection.

The initial inspection, which may be a series of inspections during the con-struction of the vessel, includes a com-plete inspection of the electric instal-lation and electric equipment or appa-ratus. The inspection is to determine that the arrangement, materials, and their installations meet this chapter

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46 CFR Ch. I (10–1–05 Edition) § 110.30–5 and the approved plans. The inspection also is to determine that the workman-ship of all equipment and apparatus and the installation is satisfactory.

§ 110.30–5 Inspection for certification.

Electric installations and electric equipment must be inspected at the in-spection for certification and periodic inspection to determine mechanical and electrical condition and perform-ance. Particular note must be made of circuits added or modified after the original issuance of the Certificate of Inspection.

[USCG 1999–4976, 65 FR 6504, Feb. 9, 2000]

§ 110.30–7 Repairs or alterations.

The Officer in Charge, Marine Inspec-tion must be notified before—

(a) Alterations or modifications that deviate from approved plans; or

(b) Repairs, alterations, or modifica-tions that affect the safety of the ves-sel.

[CGD 94–108, 61 FR 28275, June 4, 1996]

PART 111—ELECTRIC SYSTEMS—

GENERAL REQUIREMENTS

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 installa-tion; 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 sys-tem grounding.

111.05–19 Tank vessels; grounded distribu-tion 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 cur-rent systems.

111.05–29 Dual voltage direct current sys-tems.

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 op-eration.

111.12–9 Generator cables.

111.12–11 Generator protection.

111.12–13 Propulsion generator protection.

Subpart 111.15—Storage Batteries and Bat-tery Chargers: Contruction and Instal-lation

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 pro-tection.

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 protec-tion.

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Coast Guard, DHS Pt. 111

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 compo-nents 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 pan-elboard 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 con-trol centers.

111.70–5 Heater circuits.

111.70–7 Remote control, interlock, and in-dicator 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 res-cue boats.

111.75–17 Navigation lights.

111.75–18 Signaling lights.

111.75–20 Lighting fixtures.

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46 CFR Ch. I (10–1–05 Edition) Pt. 111

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 recep-tacles.

111.79–11 Lifeboat receptacles.

111.79–13 Different voltages and power types.

111.79–15 Receptacles for refrigerated con-tainers.

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 en-closures.

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 cir-cuits.

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 sup-ply.

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 lo-cations.

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 in-organic 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 ves-sels 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; Depart-ment of Homeland Security Delegation No.

0170.1.

SOURCE: CGD 74–125A, 47 FR 15236, Apr. 8, 1982, unless otherwise noted.

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Coast Guard, DHS § 111.01–13

Subpart 111.01—General § 111.01–1 General.

(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 elec-trical hazards.

(3) Maintenance of system integrity through compliance with the applica-ble system requirements (IEEE, NEC, IEC, etc.) to which plan review has been approved.

(b) Combustible material should be avoided in the construction of elec-trical 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]

§ 111.01–3 Placement of equipment.

(a) Electric equipment must be ar-ranged, as far as practicable, to pre-vent mechanical damage to the equip-ment from the accumulation of dust, oil vapors, steam, or dripping liquids.

(b) Apparatus that may arc must be ventilated or be in ventilated compart-ments in which flammable gases, acid fumes, and oil vapors cannot accumu-late. Skylights and ventilators must be arranged to prevent flooding of the ap-paratus.

§ 111.01–5 Protection from bilge water.

Each of the following in or around the bilge area must be arranged or con-structed so that it cannot be damaged by bilge water:

(a) Generators.

(b) Motors.

(c) Electric coupling.

(d) Electric cable.

[CGD 94–108, 61 FR 28275, June 4, 1996]

§ 111.01–7 Accessibility and spacing.

(a) The design and arrangement of electric apparatus must afford accessi-bility to each part as needed to facili-tate proper inspection, adjustment, maintenance, or replacement.

(b) Within an enclosure, the spacing between energized components (or be-tween an energized component and ground) must be to the appropriate in-dustry standard for the voltage and current utilized in the circuit. Addi-tionally, spacing within any enclosure must be sufficient to facilitate serv-icing.

[CGD 94–108, 61 FR 28275, June 4, 1996]

§ 111.01–9 Degrees of protection.

(a) Interior electrical equipment ex-posed to dripping liquids or falling solid particles must be manufactured to at least NEMA 250 Type 2 or IEC IP 22 degree of protection as appropriate for the service intended.

(b) Electrical equipment in locations requiring exceptional degrees of pro-tection as defined in § 110.15–1 of this chapter must be enclosed to meet at least the minimum degrees of protec-tion in ABS Rules for Building and Classing Steel Vessels, table 4/5B.1, or appropriate NEMA 250 Type for the service intended. Each enclosure must be designed in such a way that the total rated temperature of the equip-ment inside the enclosure is not ex-ceeded.

(c) Central control consoles and simi-lar control enclosures must be manu-factured to at least NEMA 250 Type 2 or IEC IP 22 degree of protection re-gardless of location.

(d) Equipment for interior locations not requiring exceptional degrees of protection must be manufactured to at least NEMA 250 Type 1 with dripshield or IEC IP 11.

NOTE TO § 111.01–9: The degrees of protec-tion specified in this section are described in NEMA Standards Publication No. 250 and IEC IP Code 529 and designated in ABS Rules for Building and Classing Steel Vessels, table 4/5B.1.

[CGD 94–108, 61 FR 28275, June 4, 1996, as amended at 62 FR 23907, May 1, 1997]

§ 111.01–11 Corrosion-resistant parts.

Each enclosure and part of electric equipment that can be damaged by cor-rosion must be made of corrosion-re-sistant materials or of materials hav-ing a corrosion resistant finish.

§ 111.01–13 Limitations on porcelain use.

Porcelain must not be used for lamp sockets, switches, receptacles, fuse blocks, or other electric equipment where the item is solidly mounted by

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46 CFR Ch. I (10–1–05 Edition) § 111.01–15 machine screws or their equivalent, un-less the porcelain piece is resiliently mounted.

§ 111.01–15 Temperature ratings.

(a) In this subchapter, an ambient temperature of 40°C (104°F) is assumed except as otherwise stated.

(b) A 50°C (122°F) ambient tempera-ture is assumed for all rotating elec-trical machinery in boiler rooms, en-gine rooms, auxiliary machinery rooms, and weather decks, unless it can be shown that a 45°C (113°F) ambi-ent temperature will not be exceeded in these spaces.

(c) A 45°C (113°F) ambient tempera-ture is assumed for cable and all other non-rotating electrical equipment in boiler rooms, in engine rooms, in auxil-iary machinery rooms, and on weather decks. For installations using UL 489 SA marine type circuit breakers the ambient temperature for that compo-nent is assumed to be 40°C (104°F). For installations using Navy type circuit breakers the ambient temperature for that component is assumed to be 50°C (122°F).

(d) Unless otherwise indicated in this subchapter, a 55°C (131°F)…