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Chaptewr 5 Special Occupancies | 552.48(J) | Where subject to physical damage, exposed nonmetallic cable shall be protected by covering boards, guard strips, raceways, or other means. [552.48(J)](https://2023.antflix.net#552.48(J)) | https://2023.antflix.net#552.48(J) |
Chaptewr 5 Special Occupancies | 552.48(K) | Metal faceplates shall comply with 406.6(A). Nonmetallic faceplates shall comply with 406.6(C). [552.48(K)](https://2023.antflix.net#552.48(K)) | https://2023.antflix.net#552.48(K) |
Chaptewr 5 Special Occupancies | 552.48(L) | Where metal faceplates are used, they shall be grounded. [552.48(L)](https://2023.antflix.net#552.48(L)) | https://2023.antflix.net#552.48(L) |
Chaptewr 5 Special Occupancies | 552.48(M) | Where outdoor or under-chassis wiring is 120 volts, nominal, or over and is exposed to moisture or physical damage, the wiring shall be protected by rigid metal conduit, by intermediate metal conduit, by electrical metallic tubing, by rigid polyvinyl chloride conduit, by other raceways identified for the location, or by Type MI cable that is closely routed against frames and equipment enclosures or other raceway or cable identified for the application. [552.48(M)](https://2023.antflix.net#552.48(M)) | https://2023.antflix.net#552.48(M) |
Chaptewr 5 Special Occupancies | 552.48(N) | Fittings and connectors that are intended to be concealed at the time of assembly shall be listed and identified for the interconnection of building components. Such fittings and connectors shall be equal to the wiring method employed in insulation, temperature rise, and fault-current withstanding, and shall be capable of enduring the vibration and shock occurring in park trailers. [552.48(N)](https://2023.antflix.net#552.48(N)) | https://2023.antflix.net#552.48(N) |
Chaptewr 5 Special Occupancies | 552.48(O) | The method of connecting expandable units to the main body of the park trailer shall comply with 552.48(O)(1) and 552.48(O)(2) as applicable. [552.48(O)](https://2023.antflix.net#552.48(O)) | https://2023.antflix.net#552.48(O) |
Chaptewr 5 Special Occupancies | 552.48(O)(1) | Cord-and-plug connections shall comply with 552.48(O)(1)(a) through (O)(1)(d). The portion of a branch circuit that is installed in an expandable unit shall be permitted to be connected to the portion of the branch circuit in the main body of the vehicle by means of an attachment plug and cord listed for hard usage. The cord and its connections shall comply with Parts I and II of Article 400 and shall be considered as a permitted use under 400.10. Where the attachment plug and cord are located within the park trailer's interior, use of plastic thermoset or elastomer parallel cord Type SPT-3, SP-3, or SPE shall be permitted.Where the receptacle provided for connection of the cord to the main circuit is located on the outside of the park trailer, it shall be protected with a ground-fault circuit interrupter for personnel and be listed for wet locations. A cord located on the outside of a park trailer shall be identified for outdoor use.Unless removable or stored within the park trailer interior, the cord assembly shall have permanent provisions for protection against corrosion and mechanical damage while the park trailer is in transit.The attachment plug and cord shall be installed so as not to permit exposed live attachment plug pins. [552.48(O)(1)](https://2023.antflix.net#552.48(O)(1)) | https://2023.antflix.net#552.48(O)(1) |
Chaptewr 5 Special Occupancies | 552.48(O)(2) | That portion of a branch circuit that is installed in an expandable unit shall be permitted to be connected to the portion of the branch circuit in the main body of the park trailer by means of flexible cord installed in accordance with 552.48(O)(2)(a) through (O)(2)(f) or other approved wiring method. The flexible cord shall be listed for hard usage and for use in wet locations.The flexible cord shall be permitted to be exposed on the underside of the vehicle.The flexible cord shall be permitted to pass through the interior of a wall or floor assembly or both a maximum concealed length of 600 mm (24 in.) before terminating at an outlet or junction box.Where concealed, the flexible cord shall be installed in nonflexible conduit or tubing that is continuous from the outlet or junction box inside the park trailer to a weatherproof outlet box, junction box, or strain relief fitting listed for use in wet locations that is located on the underside of the park trailer. The outer jacket of flexible cord shall be continuous into the outlet or junction box.Where the flexible cord passes through the floor to an exposed area inside of the park trailer, it shall be protected by means of conduit and bushings or equivalent.Where subject to physical damage, the flexible cord shall be protected with RMC, IMC, Schedule 80 PVC, reinforced thermosetting resin conduit (RTRC) listed for exposure to physical damage, or other approved means and shall extend at least 150 mm (6 in.) above the floor. A means shall be provided to secure the flexible cord where it enters the park trailer. [552.48(O)(2)](https://2023.antflix.net#552.48(O)(2)) | https://2023.antflix.net#552.48(O)(2) |
Chaptewr 5 Special Occupancies | 552.48(P) | Prewiring installed for the purpose of facilitating future air-conditioning installation shall comply with the applicable portions of this article and the following: An overcurrent protective device with a rating compatible with the circuit conductors shall be installed in the panelboard and wiring connections completed.The load end of the circuit shall terminate in a junction box with a blank cover or other listed enclosure. Where a junction box with a blank cover is used, the free ends of the conductors shall be adequately capped or taped.A safety label with the word WARNING in minimum 6 mm (1/4 in.) high letters and body text in minimum 3 mm (1/8 in.) high letters on a contrasting background shall be affixed on or adjacent to the junction box and shall read as follows:WARNINGAIR-CONDITIONING CIRCUIT. THIS CONNECTION IS FOR AIR CONDITIONERSRATED 110—125-VOLT AC, 60 HZ, _________ AMPERES MAXIMUM. DO NOT EXCEED CIRCUIT RATING.EXCEEDING THE CIRCUIT RATING MAYCAUSE A FIRE AND RESULT INDEATH OR SERIOUS INJURYAn ampere rating not to exceed 80 percent of the circuit rating shall be legibly marked in the blank space.The circuit shall serve no other purpose. [552.48(P)](https://2023.antflix.net#552.48(P)) | https://2023.antflix.net#552.48(P) |
Chaptewr 5 Special Occupancies | 552.48(Q) | Prewiring installed for the purpose of installing other appliances or devices shall comply with the applicable portions of this article and the following: An overcurrent protection device with a rating compatible with the circuit conductors shall be installed in the panelboard with wiring connections completed.The load end of the circuit shall terminate in a junction box with a blank cover or a device listed for the purpose. Where a junction box with blank cover is used, the free ends of the conductors shall be adequately capped or taped.A safety label with the signal word WARNING in minimum 6 mm (1/4 in.) high letters and body text in minimum 3 mm (1/8 in.) high letters on a contrasting background shall be affixed on or adjacent to the junction box or device listed for the purpose and shall read as follows:WARNINGTHIS CONNECTION IS FOR ______ RATED ______ VOLT AC,60 HZ, _______ AMPERES MAXIMUM. DO NOT EXCEEDCIRCUIT RATING. EXCEEDING THE CIRCUIT RATINGMAY CAUSE A FIRE AND RESULT IN DEATH OR SERIOUSINJURY.An ampere rating not to exceed 80 percent of the circuit rating shall be legibly marked in the blank space. [552.48(Q)](https://2023.antflix.net#552.48(Q)) | https://2023.antflix.net#552.48(Q) |
Chaptewr 5 Special Occupancies | 552.49 | The maximum number of conductors permitted in boxes shall be in accordance with 314.16. [552.49](https://2023.antflix.net#552.49) | https://2023.antflix.net#552.49 |
Chaptewr 5 Special Occupancies | 552.50 | The identification of grounded conductors shall be in accordance with 200.6. [552.50](https://2023.antflix.net#552.50) | https://2023.antflix.net#552.50 |
Chaptewr 5 Special Occupancies | 552.51 | Conductor splices and connections at terminals shall be in accordance with 110.14. [552.51](https://2023.antflix.net#552.51) | https://2023.antflix.net#552.51 |
Chaptewr 5 Special Occupancies | 552.52 | Switches shall be rated as required by 552.52(A) and (B). [552.52](https://2023.antflix.net#552.52) | https://2023.antflix.net#552.52 |
Chaptewr 5 Special Occupancies | 552.52(A) | For lighting circuits, switches shall be rated not less than 10 amperes, 120/125 volts, and in no case less than the connected load. [552.52(A)](https://2023.antflix.net#552.52(A)) | https://2023.antflix.net#552.52(A) |
Chaptewr 5 Special Occupancies | 552.52(B) | For motors or other loads, switches shall have ampere or horsepower ratings, or both, adequate for loads controlled. (An ac general-use snap switch shall be permitted to control a motor 2 hp or less with full-load current not over 80 percent of the switch ampere rating.) [552.52(B)](https://2023.antflix.net#552.52(B)) | https://2023.antflix.net#552.52(B) |
Chaptewr 5 Special Occupancies | 552.52(C) | Switches shall not be installed within wet locations in tub or shower spaces unless installed as part of a listed tub or shower assembly. [552.52(C)](https://2023.antflix.net#552.52(C)) | https://2023.antflix.net#552.52(C) |
Chaptewr 5 Special Occupancies | 552.53 | All receptacle outlets shall be of the grounding type and installed in accordance with 210.21 and 406.4. [552.53](https://2023.antflix.net#552.53) | https://2023.antflix.net#552.53 |
Chaptewr 5 Special Occupancies | 552.54(A) | Any combustible wall or ceiling finish exposed between the edge of a canopy or pan of a luminaire or ceiling suspended (paddle) fan and the outlet box shall be covered with noncombustible material or a material identified for the purpose. [552.54(A)](https://2023.antflix.net#552.54(A)) | https://2023.antflix.net#552.54(A) |
Chaptewr 5 Special Occupancies | 552.54(B) | If a luminaire is provided over a bathtub or in a shower stall, it shall be of the enclosed and gasketed type and listed for the type of installation, and it shall be ground-fault circuit-interrupter protected. [552.54(B)](https://2023.antflix.net#552.54(B)) | https://2023.antflix.net#552.54(B) |
Chaptewr 5 Special Occupancies | 552.54(C) | Outdoor luminaires and other equipment shall be listed for outdoor use or wet locations. [552.54(C)](https://2023.antflix.net#552.54(C)) | https://2023.antflix.net#552.54(C) |
Chaptewr 5 Special Occupancies | 552.55 | (See also 552.57 on bonding of noncurrent-carrying metal parts.) [552.55](https://2023.antflix.net#552.55) | https://2023.antflix.net#552.55 |
Chaptewr 5 Special Occupancies | 552.55(A) | The equipment grounding conductor in the supply cord or feeder shall be connected to the equipment grounding bus or other approved equipment grounding means in the panelboard. [552.55(A)](https://2023.antflix.net#552.55(A)) | https://2023.antflix.net#552.55(A) |
Chaptewr 5 Special Occupancies | 552.55(B) | The panelboard shall have an equipment grounding bus with sufficient terminals for all equipment grounding conductors or other approved grounding means. [552.55(B)](https://2023.antflix.net#552.55(B)) | https://2023.antflix.net#552.55(B) |
Chaptewr 5 Special Occupancies | 552.55(C) | The grounded circuit conductor shall be insulated from the equipment grounding conductors and from equipment enclosures and other grounded parts. The grounded circuit conductor terminals in the panelboard and in ranges, clothes dryers, counter-mounted cooking units, and wall-mounted ovens shall be insulated from the equipment enclosure. Bonding screws, straps, or buses in the panelboard or in appliances shall be removed and discarded. Connection of electric ranges and electric clothes dryers utilizing a grounded conductor, if cord-connected, shall be made with 4-conductor cord and 3-pole, 4-wire, grounding-type plug caps and receptacles. [552.55(C)](https://2023.antflix.net#552.55(C)) | https://2023.antflix.net#552.55(C) |
Chaptewr 5 Special Occupancies | 552.56(A) | In the electrical system, all exposed metal parts, enclosures, frames, luminaire canopies, and so forth, shall be effectively bonded to the grounding terminals or enclosure of the panelboard. [552.56(A)](https://2023.antflix.net#552.56(A)) | https://2023.antflix.net#552.56(A) |
Chaptewr 5 Special Occupancies | 552.56(B) | Bare conductors or conductors with insulation or individual covering that is green or green with one or more yellow stripes shall be used for equipment grounding conductors only. [552.56(B)](https://2023.antflix.net#552.56(B)) | https://2023.antflix.net#552.56(B) |
Chaptewr 5 Special Occupancies | 552.56(C) | Where grounding of electrical equipment is specified, it shall be permitted as follows: Connection of metal raceway (conduit or electrical metallic tubing), the sheath of Type MC and Type MI cable where the sheath is identified for grounding, or the armor of Type AC cable to metal enclosures.A connection between the one or more equipment grounding conductors and a metal box by means of a grounding screw, which shall be used for no other purpose, or a listed grounding device.The equipment grounding conductor in nonmetallic-sheathed cable shall be permitted to be secured under a screw threaded into the luminaire canopy other than a mounting screw or cover screw or attached to a listed grounding means (plate) in a nonmetallic outlet box for luminaire mounting (grounding means shall also be permitted for luminaire attachment screws). [552.56(C)](https://2023.antflix.net#552.56(C)) | https://2023.antflix.net#552.56(C) |
Chaptewr 5 Special Occupancies | 552.56(D) | A connection between the one or more grounding conductors brought into a nonmetallic outlet box shall be arranged so that a connection can be made to any fitting or device in that box that requires grounding. [552.56(D)](https://2023.antflix.net#552.56(D)) | https://2023.antflix.net#552.56(D) |
Chaptewr 5 Special Occupancies | 552.56(E) | Where more than one equipment grounding conductor of a branch circuit enters a box, all such conductors shall be in good electrical contact with each other, and the arrangement shall be such that the disconnection or removal of a receptacle, fixture, including a luminaire, or other device fed from the box will not interfere with or interrupt the grounding continuity. [552.56(E)](https://2023.antflix.net#552.56(E)) | https://2023.antflix.net#552.56(E) |
Chaptewr 5 Special Occupancies | 552.56(F) | Cord-connected appliances, such as washing machines, clothes dryers, refrigerators, and the electrical system of gas ranges, and so on, shall be grounded by means of an approved cord with equipment grounding conductor and grounding-type attachment plug. [552.56(F)](https://2023.antflix.net#552.56(F)) | https://2023.antflix.net#552.56(F) |
Chaptewr 5 Special Occupancies | 552.57(A) | All exposed non—current-carrying metal parts that are likely to become energized shall be effectively bonded to the grounding terminal or enclosure of the panelboard. [552.57(A)](https://2023.antflix.net#552.57(A)) | https://2023.antflix.net#552.57(A) |
Chaptewr 5 Special Occupancies | 552.57(B) | A bonding conductor shall be connected between any panelboard and an accessible terminal on the chassis. Bonding terminations shall be suitable for the environment in which the conductors and terminations are installed. Exception: Any park trailer that employs a unitized metal chassis-frame construction to which the panelboard is securely fastened with a bolt(s) and nut(s) or by welding or riveting shall be considered to be bonded. [552.57(B)](https://2023.antflix.net#552.57(B)) | https://2023.antflix.net#552.57(B) |
Chaptewr 5 Special Occupancies | 552.57(C) | Grounding terminals shall be of the solderless type and listed as pressure terminal connectors recognized for the wire size used. The bonding conductor shall be solid or stranded, insulated or bare, and shall be 8 AWG copper minimum or equivalent. [552.57(C)](https://2023.antflix.net#552.57(C)) | https://2023.antflix.net#552.57(C) |
Chaptewr 5 Special Occupancies | 552.57(D) | The metal roof and exterior covering shall be considered bonded where both of the following conditions apply: The metal panels overlap one another and are securely attached to the wood or metal frame parts by metal fasteners.The lower panel of the metal exterior covering is secured by metal fasteners at each cross member of the chassis, or the lower panel is connected to the chassis by a metal strap. [552.57(D)](https://2023.antflix.net#552.57(D)) | https://2023.antflix.net#552.57(D) |
Chaptewr 5 Special Occupancies | 552.57(E) | The gas, water, and waste pipes shall be considered grounded if they are bonded to the chassis. [552.57(E)](https://2023.antflix.net#552.57(E)) | https://2023.antflix.net#552.57(E) |
Chaptewr 5 Special Occupancies | 552.57(F) | Furnace and metal circulating air ducts shall be bonded. [552.57(F)](https://2023.antflix.net#552.57(F)) | https://2023.antflix.net#552.57(F) |
Chaptewr 5 Special Occupancies | 552.58 | Every appliance shall be accessible for inspection, service, repair, and replacement without removal of permanent construction. Means shall be provided to securely fasten appliances in place when the park trailer is in transit. [552.58](https://2023.antflix.net#552.58) | https://2023.antflix.net#552.58 |
Chaptewr 5 Special Occupancies | 552.59(A) | Outdoor fixtures, including luminaires, and equipment shall be listed for outdoor use. Outdoor receptacle outlets shall be in accordance with 406.9(A) and (B). Switches and circuit breakers installed outdoors shall comply with 404.4. [552.59(A)](https://2023.antflix.net#552.59(A)) | https://2023.antflix.net#552.59(A) |
Chaptewr 5 Special Occupancies | 552.59(B) | A park trailer provided with a branch circuit designed to energize outside heating equipment or air-conditioning equipment, or both, located outside the park trailer, other than room air conditioners, shall have such branch-circuit conductors terminate in a listed outlet box or disconnecting means located on the outside of the park trailer. A safety label with the word WARNING in minimum 6 mm (1/4 in.) high letters and body text in minimum 3 mm (1/8 in.) high letters on a contrasting background shall be affixed within 150 mm (6 in.) from the listed box or disconnecting means and shall read as follows: WARNINGTHIS CONNECTION IS FOR HEATINGAND/OR AIR-CONDITIONING EQUIPMENT.THE BRANCH CIRCUIT IS RATED AT NOT MORE THAN_______ AMPERES, AT _______ VOLTS, 60 HZ, _______CONDUCTOR AMPACITY. A DISCONNECTING MEANS SHALL BELOCATED WITHIN SIGHT OF THE EQUIPMENT. EXCEEDING THE CIRCUIT RATING MAY CAUSE A FIREAND RESULT IN DEATH OR SERIOUS INJURY. The correct voltage and ampere rating shall be given. [552.59(B)](https://2023.antflix.net#552.59(B)) | https://2023.antflix.net#552.59(B) |
Chaptewr 5 Special Occupancies | 552.60 | Each park trailer shall be subjected to the tests required by 552.60(A) and (B). [552.60](https://2023.antflix.net#552.60) | https://2023.antflix.net#552.60 |
Chaptewr 5 Special Occupancies | 552.60(A) | Each park trailer designed with a 120-volt or a 120/240-volt electrical system shall withstand the applied voltage without electrical breakdown of a 1 minute, 900-volt dielectric strength test, or a 1 second, 1080-volt dielectric strength test, with all switches closed, between ungrounded and grounded conductors and the park trailer ground. During the test, all switches and other controls shall be in the "on" position. Fixtures, including luminaires, and permanently installed appliances shall not be required to withstand this test. Each park trailer shall be subjected to the following:A continuity test to ensure that all metal parts are properly bondedOperational tests to demonstrate that all equipment is properly connected and in working orderPolarity checks to determine that connections have been properly madeReceptacles requiring GFCI protection shall be tested for correct function by the use of a GFCI testing device [552.60(A)](https://2023.antflix.net#552.60(A)) | https://2023.antflix.net#552.60(A) |
Chaptewr 5 Special Occupancies | 552.60(B) | An operational test of low-voltage circuits shall be conducted to demonstrate that all equipment is connected and in electrical working order. This test shall be performed in the final stages of production after all outer coverings and cabinetry have been secured. [552.60(B)](https://2023.antflix.net#552.60(B)) | https://2023.antflix.net#552.60(B) |
Chaptewr 5 Special Occupancies | 555.1 | This article covers the installation of wiring and equipment in the areas comprising fixed or floating piers, wharves, docks, floating buildings, and other areas in marinas, boatyards, boat basins, boathouses, yacht clubs, boat condominiums, docking facilities associated with one-family dwellings, two-family dwellings, multifamily dwellings, and residential condominiums; any multiple docking facility or similar occupancies; and facilities that are used, or intended for use, for the purpose of repair, berthing, launching, storage, or fueling of small craft and the moorage of floating buildings. Informational Note No. 1: See NFPA 303-2016, Fire Protection Standard for Marinas and Boatyards, for additional information. Informational Note No. 2: Where boats, floating buildings, docks, and similar structures are connected to an electrical source or a supply of electricity, hazardous voltages and currents may create serious safety concerns. Informational Note No. 3: Text that is followed by a reference in brackets has been extracted from NFPA 303-2016, Fire Protection Standard for Marinas and Boatyards, and NFPA 307-2016, Standard for the Construction and Fire Protection of Marine Terminals, Piers, and Wharves. Only editorial changes were made to the extracted text to make it consistent with this Code. [555.1](https://2023.antflix.net#555.1) | https://2023.antflix.net#555.1 |
Chaptewr 5 Special Occupancies | 555.3(A) | The electrical datum plane for floating piers and boat landing stages that is (1) installed to permit rise and fall response to water level and without lateral movement, and (2) that are so equipped that piers and landing stages can rise to the datum plane established for 555.3(B) or (C), shall be a horizontal plane 762 mm (30 in.) above the water level at the floating pier or boat landing stage and a minimum of 305 mm (12 in.) above the level of the deck. [555.3(A)](https://2023.antflix.net#555.3(A)) | https://2023.antflix.net#555.3(A) |
Chaptewr 5 Special Occupancies | 555.3(B) | In land areas subject to tidal fluctuation, the electrical datum plane shall be a horizontal plane that is 606 mm (2 ft) above the highest tide level for the area occurring under normal circumstances, based on the highest high tide. [555.3(B)](https://2023.antflix.net#555.3(B)) | https://2023.antflix.net#555.3(B) |
Chaptewr 5 Special Occupancies | 555.3(C) | In land areas not subject to tidal fluctuation, the electrical datum plane shall be a horizontal plane that is 606 mm (2 ft) above the highest water level for the area occurring under normal circumstances. [555.3(C)](https://2023.antflix.net#555.3(C)) | https://2023.antflix.net#555.3(C) |
Chaptewr 5 Special Occupancies | 555.4 | The service equipment for a floating building, dock, or marina shall be located on land no closer than 1.5 m (5 ft) horizontally from and adjacent to the structure served, but not on or in the structure itself or any other floating structure. Service equipment shall be elevated a minimum of 300 mm (12 in.) above the electrical datum plane. [555.4](https://2023.antflix.net#555.4) | https://2023.antflix.net#555.4 |
Chaptewr 5 Special Occupancies | 555.5 | Pier power distribution systems shall not exceed 250 volts phase to phase. Pier power distribution systems, where qualified personnel service the equipment under engineering supervision, shall be permitted to exceed 250 volts but these systems shall not exceed 600 volts. [555.5](https://2023.antflix.net#555.5) | https://2023.antflix.net#555.5 |
Chaptewr 5 Special Occupancies | 555.6 | General lighting and other loads shall be calculated in accordance with Part III of Article 220, and, in addition, the demand factors set forth in 220.120 shall be permitted for each service and/or feeder circuit supplying receptacles that provide shore power for boats. [555.6](https://2023.antflix.net#555.6) | https://2023.antflix.net#555.6 |
Chaptewr 5 Special Occupancies | 555.7(A) | Transformers and enclosures shall be identified for wet locations. The bottom of transformer enclosures shall not be located below the electrical datum plane. [555.7(A)](https://2023.antflix.net#555.7(A)) | https://2023.antflix.net#555.7(A) |
Chaptewr 5 Special Occupancies | 555.7(B) | Transformers and enclosures shall be identified for wet locations where replacements are made. [555.7(B)](https://2023.antflix.net#555.7(B)) | https://2023.antflix.net#555.7(B) |
Chaptewr 5 Special Occupancies | 555.8 | Motors and controls for marine hoists, railways, cranes, and monorails shall not be located below the electrical datum plane. Where it is necessary to provide electric power to a mobile crane or hoist in the yard and a trailing cable is utilized, it shall be a listed portable power cable rated for the conditions of use and be provided with an outer jacket of distinctive color for safety. [555.8](https://2023.antflix.net#555.8) | https://2023.antflix.net#555.8 |
Chaptewr 5 Special Occupancies | 555.10 | Permanent safety signs shall be installed to give notice of electrical shock hazard risks to persons using or swimming near a docking facility, boatyard, or marina and shall comply with all of the following: The signage shall comply with 110.21(B)(1) and be of sufficient durability to withstand the environment.The signs shall be clearly visible from all approaches to a marina, docking facility, or boatyard facility.The signs shall state "WARNING - POTENTIAL SHOCK HAZARD - ELECTRICAL CURRENTS MAY BE PRESENT IN THE WATER." [555.10](https://2023.antflix.net#555.10) | https://2023.antflix.net#555.10 |
Chaptewr 5 Special Occupancies | 555.11 | Electrical wiring and equipment located at or serving motor fuel dispensing locations shall comply with Article 514 in addition to the requirements of this article. [555.11](https://2023.antflix.net#555.11) | https://2023.antflix.net#555.11 |
Chaptewr 5 Special Occupancies | 555.12 | Electrical wiring and equipment located at facilities for the repair of marine craft containing flammable or combustible liquids or gases shall comply with Article 511 in addition to the requirements of this article. [555.12](https://2023.antflix.net#555.12) | https://2023.antflix.net#555.12 |
Chaptewr 5 Special Occupancies | 555.13 | All metal parts in contact with the water, all metal piping, and all non-current-carrying metal parts that are likely to become energized and that are not connected to a branch circuit or feeder equipment grounding conductor, shall be connected to the grounding bus in the panelboard using solid copper conductors; insulated, covered, or bare; not smaller than 8 AWG. Connections to bonded parts shall be made in accordance with 250.8. [555.13](https://2023.antflix.net#555.13) | https://2023.antflix.net#555.13 |
Chaptewr 5 Special Occupancies | 555.14 | An equipotential plane shall be installed where required in this section to mitigate step and touch voltages at electrical equipment. The parts specified in this section shall be bonded together and to the electrical grounding system. The bonding conductor shall be solid copper conductors; insulated, covered, or bare; not smaller than 8 AWG. [555.14](https://2023.antflix.net#555.14) | https://2023.antflix.net#555.14 |
Chaptewr 5 Special Occupancies | 555.14(A) | Equipotential planes shall be installed adjacent to all outdoor service equipment or disconnecting means that control equipment in or on water where the following conditions exist: Where the system voltage exceeds 250 volts to groundWhere the equipment is located within 3 m (10 ft) of the body of waterThe equipotential plane shall include all metallic enclosures and controls that are likely to become energized and are accessible to personnel. The equipotential plane shall encompass the area around the equipment and shall extend from the area directly below the equipment out not less than 900 mm (36 in.) in all directions from which a person would be able to stand and come in contact with the equipment. [555.14(A)](https://2023.antflix.net#555.14(A)) | https://2023.antflix.net#555.14(A) |
Chaptewr 5 Special Occupancies | 555.14(B) | Equipotential planes shall not be required for the controlled utilization equipment on the docking facility or floating building supplied by the service equipment or disconnecting means. [555.14(B)](https://2023.antflix.net#555.14(B)) | https://2023.antflix.net#555.14(B) |
Chaptewr 5 Special Occupancies | 555.15 | When modifications or replacements of electrical enclosures, devices, or wiring methods are necessary on a docking facility, they shall be required to comply with the requirements of this Code, and the installation shall require an inspection of the circuit. Existing equipment that has been damaged shall be identified, documented, and repaired by a qualified person to the minimum requirements of the edition of this Code to which it was originally installed.
Informational Note: NFPA 303-2021, Fire Protection Standard for Marinas and Boatyards, is a resource for guiding the electrical inspection of a marina. [555.15](https://2023.antflix.net#555.15) | https://2023.antflix.net#555.15 |
Chaptewr 5 Special Occupancies | 555.30(A) | All electrical components within electrical equipment (excluding wiring methods) and connections not intended for operation while submerged shall be located at least 305 mm (12 in.) above the deck of a fixed or floating structure, but not below the electrical datum plane. Conductor splices, within junction boxes identified for wet locations, utilizing sealed wire connector systems listed and identified for submersion shall be required for floating structures where located above the waterline but below the electrical datum plane. [555.30(A)](https://2023.antflix.net#555.30(A)) | https://2023.antflix.net#555.30(A) |
Chaptewr 5 Special Occupancies | 555.30(B) | Replacement electrical connections shall be located at least 305 mm (12 in.) above the deck of a floating or fixed structure. Conductor splices, within junction boxes identified for wet locations, utilizing sealed wire connector systems listed and identified for submersion shall be required where located above the waterline but below the electrical datum plane. [555.30(B)](https://2023.antflix.net#555.30(B)) | https://2023.antflix.net#555.30(B) |
Chaptewr 5 Special Occupancies | 555.31(A) | Electrical equipment enclosures installed on piers above deck level shall be securely and substantially supported by structural members, independent of any conduit connected to them. If enclosures are not attached to mounting surfaces by means of external ears or lugs, the internal screw heads shall be sealed to prevent seepage of water through mounting holes. [555.31(A)](https://2023.antflix.net#555.31(A)) | https://2023.antflix.net#555.31(A) |
Chaptewr 5 Special Occupancies | 555.31(B) | Electrical equipment enclosures on piers shall be located so as not to interfere with mooring lines. [555.31(B)](https://2023.antflix.net#555.31(B)) | https://2023.antflix.net#555.31(B) |
Chaptewr 5 Special Occupancies | 555.32 | Circuit breakers and switches installed in gasketed enclosures shall be arranged to permit required manual operation without exposing the interior of the enclosure. All such enclosures shall be arranged with a weep hole to discharge condensation. [555.32](https://2023.antflix.net#555.32) | https://2023.antflix.net#555.32 |
Chaptewr 5 Special Occupancies | 555.33 | Receptacles shall be mounted not less than 305 mm (12 in.) above the deck surface of the pier and not below the electrical datum plane on a fixed pier. [555.33](https://2023.antflix.net#555.33) | https://2023.antflix.net#555.33 |
Chaptewr 5 Special Occupancies | 555.33(A)(1) | Receptacles intended to supply shore power to boats shall be enclosed in listed marina power outlets, enclosures listed for wet locations, or shall be installed in listed enclosures protected from the weather. The integrity of the assembly shall not be affected when the receptacles are in use with any type of booted or nonbooted attachment plug/cap inserted. [555.33(A)(1)](https://2023.antflix.net#555.33(A)(1)) | https://2023.antflix.net#555.33(A)(1) |
Chaptewr 5 Special Occupancies | 555.33(A)(2) | Means shall be provided where necessary to reduce the strain on the plug and receptacle caused by the weight and catenary angle of the shore power cord. [555.33(A)(2)](https://2023.antflix.net#555.33(A)(2)) | https://2023.antflix.net#555.33(A)(2) |
Chaptewr 5 Special Occupancies | 555.33(A)(3) | Each single receptacle that supplies shore power to boats shall be supplied from a marina power outlet or panelboard by an individual branch circuit of the voltage class and rating corresponding to the rating of the receptacle. Informational Note: Supplying receptacles at voltages other than the voltages marked on the receptacle may cause overheating or malfunctioning of connected equipment, for example, supplying single-phase, 120/240-volt, 3-wire loads from a 208Y/120-volt, 3-wire source. [555.33(A)(3)](https://2023.antflix.net#555.33(A)(3)) | https://2023.antflix.net#555.33(A)(3) |
Chaptewr 5 Special Occupancies | 555.33(A)(4) | Shore power for boats shall be provided by single receptacles rated not less than 30 amperes. Informational Note: See NFPA 303-2016, Fire Protection Standard for Marinas and Boatyards, for locking- and grounding-type receptacles for auxiliary power to boats.Receptacles rated 30 amperes and 50 amperes shall be of the locking and grounding type.Informational Note: See ANSI/NEMA WD 6-2016, Wiring Devices - Dimensional Specifications, for various configurations and ratings of locking- and grounding-type receptacles and caps.Receptacles rated 60 amperes or higher shall be of the pin and sleeve type.Informational Note: See ANSI/UL 1686, UL Standard for Safety Pin and Sleeve Configurations, for various configurations and ratings of pin and sleeve receptacles. [555.33(A)(4)](https://2023.antflix.net#555.33(A)(4)) | https://2023.antflix.net#555.33(A)(4) |
Chaptewr 5 Special Occupancies | 555.33(B) | Receptacles other than those supplying shore power to boats shall be permitted to be enclosed in marina power outlets with the receptacles that provide shore power to boats, provided the receptacles are marked to clearly indicate that the receptacles are not to be used to supply power to boats. [555.33(B)](https://2023.antflix.net#555.33(B)) | https://2023.antflix.net#555.33(B) |
Chaptewr 5 Special Occupancies | 555.33(C) | The requirements in 555.33 shall apply to the replacement of marina receptacles. [555.33(C)](https://2023.antflix.net#555.33(C)) | https://2023.antflix.net#555.33(C) |
Chaptewr 5 Special Occupancies | 555.34(A)(1) | Wiring methods of Chapter 3 shall be permitted where identified for use in wet locations and shall contain a wire-type insulated equipment grounding conductor. [555.34(A)(1)](https://2023.antflix.net#555.34(A)(1)) | https://2023.antflix.net#555.34(A)(1) |
Chaptewr 5 Special Occupancies | 555.34(A)(2) | Extra-hard usage cord and extra-hard usage portable power cables rated not less than 75°C (167°F) and 600 volts, listed for use in the environment within which it is installed, shall be permitted as follows: As permanent wiring on the underside of piers (floating or fixed)Where flexibility is necessary as on piers composed of floating sections [555.34(A)(2)](https://2023.antflix.net#555.34(A)(2)) | https://2023.antflix.net#555.34(A)(2) |
Chaptewr 5 Special Occupancies | 555.34(B)(1) | Overhead wiring shall be installed to avoid possible contact with masts and other parts of boats being moved in the yard. Conductors and cables shall be routed to avoid wiring closer than 6.0 m (20 ft) from the outer edge or any portion of the yard that can be used for moving vessels or stepping or unstepping masts. [555.34(B)(1)](https://2023.antflix.net#555.34(B)(1)) | https://2023.antflix.net#555.34(B)(1) |
Chaptewr 5 Special Occupancies | 555.34(B)(2) | Multiple feeders and branch circuits shall be permitted and clearances for overhead branch-circuit and feeder wiring in locations of the boatyard other than those described in 555.34(B)(1) shall be located not less than 5.49 m (18 ft) above grade. Only Part I of Article 225 shall apply to marina installations. [555.34(B)(2)](https://2023.antflix.net#555.34(B)(2)) | https://2023.antflix.net#555.34(B)(2) |
Chaptewr 5 Special Occupancies | 555.34(B)(3) | Where portable power cables are permitted by 555.34(A)(2), the installation shall comply with the following:Cables shall be properly supported.Cables shall be located on the underside of the pier.Cables shall be securely fastened by nonmetallic clips to structural members other than the deck planking.Cables shall not be installed where subject to physical damage.Where cables pass through structural members, they shall be protected against chafing by a permanently installed oversized sleeve of nonmetallic material.Where portable power cables are used as permitted in 555.34(A)(2)(2), there shall be a junction box of corrosion-resistant construction with permanently installed terminal blocks on each pier section to which the feeders and feeder extensions are to be connected. A listed marina power outlet employing terminal blocks/bars shall be permitted in lieu of a junction box. Metal junction boxes and covers, and metal screws and parts that are exposed externally to the boxes, shall be of corrosion-resistant materials or protected by material resistant to corrosion. [555.34(B)(3)](https://2023.antflix.net#555.34(B)(3)) | https://2023.antflix.net#555.34(B)(3) |
Chaptewr 5 Special Occupancies | 555.34(B)(4) | Rigid metal conduit, intermediate metal conduit, reinforced thermosetting resin conduit (RTRC) listed for aboveground use, or rigid polyvinyl chloride (PVC) conduit suitable for the location shall be used to protect wiring to a point at least 2.5 m (8 ft) above docks, decks of piers, and landing stages. The conduit shall be connected to the enclosure by full standard threads or fittings listed for use in damp or wet locations, as applicable. [555.34(B)(4)](https://2023.antflix.net#555.34(B)(4)) | https://2023.antflix.net#555.34(B)(4) |
Chaptewr 5 Special Occupancies | 555.35 | For other than floating buildings, ground-fault protection for docking facilities shall be provided in accordance with 555.35(A) through (D). [555.35](https://2023.antflix.net#555.35) | https://2023.antflix.net#555.35 |
Chaptewr 5 Special Occupancies | 555.35(A) | Listed GFPE, rated not more than 100 milliamperes, shall be provided for feeders installed on docking facilities. Coordination with downstream GFPE shall be permitted at the feeder overcurrent protective device. Exception: Transformer secondary conductors of a separately derived system that do not exceed 3 m (10 ft) and are installed in a raceway shall be permitted to be installed without ground-fault protection. This exception shall also apply to the supply terminals of the equipment supplied by the transformer secondary conductors. [555.35(A)](https://2023.antflix.net#555.35(A)) | https://2023.antflix.net#555.35(A) |
Chaptewr 5 Special Occupancies | 555.35(B)(1) | Listed GFPE, rated not more than 30 milliamperes, shall be provided for receptacles installed in accordance with 555.33(A). [555.35(B)(1)](https://2023.antflix.net#555.35(B)(1)) | https://2023.antflix.net#555.35(B)(1) |
Chaptewr 5 Special Occupancies | 555.35(B)(2) | Outlets supplied by branch circuits not exceeding 150 volts to ground and 60 amperes, single phase, and 150 volts or less to ground, 100 amperes or less, three phase, shall be provided with GFCI protection for personnel. Exception to (B): Low-voltage circuits not requiring grounding, not exceeding the low-voltage contact limit and supplied by listed transformers or power supplies that comply with 680.23(A)(2) shall be permitted to be installed without ground-fault protection. [555.35(B)(2)](https://2023.antflix.net#555.35(B)(2)) | https://2023.antflix.net#555.35(B)(2) |
Chaptewr 5 Special Occupancies | 555.35(C) | GFCI protection for personnel shall be provided for outlets not exceeding 240 volts that supply a boat hoist installed at docking facilities. GFCI protected receptacles for other than shore power shall be permitted to supply boat hoists. [555.35(C)](https://2023.antflix.net#555.35(C)) | https://2023.antflix.net#555.35(C) |
Chaptewr 5 Special Occupancies | 555.35(D) | Where more than three receptacles supply shore power to boats, a listed leakage current measurement device for use in marina applications shall be available and be used to determine leakage current from each boat that will utilize shore power. The listing requirement for the leakage current measurement device for use in marina applications shall become effective January 1, 2026. Informational Note No. 1: Leakage current measurement will provide the capability to determine when an individual boat has defective wiring or other problems contributing to hazardous voltage and current. The use of a test device will allow the facility operator to identify a boat that is creating problems. In some cases a single boat could cause an upstream GFPE device protecting a feeder to operate even though multiple boats are supplied from the same feeder. The use of a test device will help the facility operator prevent a particular boat from contributing to hazardous voltage and current in the marina area. Informational Note No. 2: An annual test of each boat with the leakage current measurement device is a prudent step toward determining if a boat has defective wiring that could be contributing hazardous voltage and current. Where the leakage current measurement device reveals that a boat is contributing hazardous voltage and current, repairs should be made to the boat before it is permitted to utilize shore power. Exception: Where the shore power equipment includes a leakage indicator and leakage alarm, a separate leakage test device shall not be required. [555.35(D)](https://2023.antflix.net#555.35(D)) | https://2023.antflix.net#555.35(D) |
Chaptewr 5 Special Occupancies | 555.36 | Disconnecting means shall be provided to isolate each boat from its supply connection(s). [555.36](https://2023.antflix.net#555.36) | https://2023.antflix.net#555.36 |
Chaptewr 5 Special Occupancies | 555.36(A) | The disconnecting means shall consist of a circuit breaker, switch, or both, and shall be properly identified as to which receptacle it controls. [555.36(A)](https://2023.antflix.net#555.36(A)) | https://2023.antflix.net#555.36(A) |
Chaptewr 5 Special Occupancies | 555.36(B) | The disconnecting means shall be readily accessible, located not more than 762 mm (30 in.) from the receptacle it controls, and located in the supply circuit ahead of the receptacle. Circuit breakers or switches located in marina power outlets complying with this section shall be permitted as the disconnecting means. [555.36(B)](https://2023.antflix.net#555.36(B)) | https://2023.antflix.net#555.36(B) |
Chaptewr 5 Special Occupancies | 555.36(C) | Each marina power outlet or enclosure that provides shore power to boats shall be provided with a listed emergency shutoff device or electrical disconnect that is clearly marked "Emergency Shutoff" in accordance with 110.22(A). The emergency shutoff device or electrical disconnect shall be within sight of the marina power outlet or other enclosure that provides shore power to boats, readily accessible, externally operable, manually resettable, and listed for use in wet locations. The emergency shutoff device or electrical disconnect shall de-energize the power supply to all circuits supplied by the marina power outlet(s) or enclosure(s) that provide shore power to boats. A circuit breaker handle shall not be used for this purpose. [555.36(C)](https://2023.antflix.net#555.36(C)) | https://2023.antflix.net#555.36(C) |
Chaptewr 5 Special Occupancies | 555.37(A) | The following items shall be connected to an equipment grounding conductor run with the circuit conductors in the same raceway, cable, or trench: Metal boxes, metal cabinets, and all other metal enclosuresMetal frames of utilization equipmentGrounding terminals of grounding-type receptacles [555.37(A)](https://2023.antflix.net#555.37(A)) | https://2023.antflix.net#555.37(A) |
Chaptewr 5 Special Occupancies | 555.37(B) | An equipment grounding conductor shall be of the wire-type, insulated, and sized in accordance with 250.122 but not smaller than 12 AWG. [555.37(B)](https://2023.antflix.net#555.37(B)) | https://2023.antflix.net#555.37(B) |
Chaptewr 5 Special Occupancies | 555.37(C) | Where a feeder supplies a remote panelboard or other distribution equipment, an insulated equipment grounding conductor shall extend from a grounding terminal in the service to a grounding terminal and busbar in the remote panelboard or other distribution equipment. [555.37(C)](https://2023.antflix.net#555.37(C)) | https://2023.antflix.net#555.37(C) |
Chaptewr 5 Special Occupancies | 555.37(D) | The insulated equipment grounding conductor for branch circuits shall terminate at a grounding terminal in a remote panelboard, in other distribution equipment, or in the main service equipment. [555.37(D)](https://2023.antflix.net#555.37(D)) | https://2023.antflix.net#555.37(D) |
Chaptewr 5 Special Occupancies | 555.37(E) | Unless double-insulated, cord-and-plug-connected appliances shall be grounded by means of an equipment grounding conductor in the cord and a grounding-type attachment plug. Exception: An equipment grounding conductor shall be permitted to be uninsulated if a part of a listed cable assembly identified for the environment and not subject to atmospheres or environments such as, but not limited to, storm water basins, sewage treatment ponds, and natural bodies of water containing salt water. [555.37(E)](https://2023.antflix.net#555.37(E)) | https://2023.antflix.net#555.37(E) |
Chaptewr 5 Special Occupancies | 555.38(A) | All luminaires and retrofit kits shall be listed and identified for use in their intended environment. Luminaires and their supply connections shall be secured to structural elements of the marina to limit damage from watercraft and prevent entanglement of and interaction with sea life. [555.38(A)](https://2023.antflix.net#555.38(A)) | https://2023.antflix.net#555.38(A) |
Chaptewr 5 Special Occupancies | 555.38(B) | Luminaires installed below the highest high tide level or electrical datum plane and likely to be periodically submersed shall be limited to those luminaires that comply with the following: Identified as submersibleOperate below the low-voltage contact limit defined in Article 100Supplied by an isolating transformer or power supply in accordance with 680.23(A)(2) [555.38(B)](https://2023.antflix.net#555.38(B)) | https://2023.antflix.net#555.38(B) |
Chaptewr 5 Special Occupancies | 555.50 | One set of service conductors shall be permitted to serve more than one set of service equipment. [555.50](https://2023.antflix.net#555.50) | https://2023.antflix.net#555.50 |
Chaptewr 5 Special Occupancies | 555.51 | Each floating building shall be supplied by a single set of feeder conductors from its service equipment. Exception: Where the floating building has multiple occupancy, each occupant shall be permitted to be supplied by a single set of feeder conductors extended from the occupant's service equipment to the occupant's panelboard. [555.51](https://2023.antflix.net#555.51) | https://2023.antflix.net#555.51 |
Chaptewr 5 Special Occupancies | 555.52(A) | Flexibility of the wiring system shall be maintained between floating buildings and the supply conductors. All wiring shall be installed so that motion of the water surface and changes in the water level will not result in unsafe conditions. [555.52(A)](https://2023.antflix.net#555.52(A)) | https://2023.antflix.net#555.52(A) |
Chaptewr 5 Special Occupancies | 555.52(B) | Liquidtight flexible metal conduit or liquidtight flexible nonmetallic conduit with approved fittings shall be permitted for feeders and where flexible connections are required for services. Extra-hard usage portable power cable listed for both wet locations and sunlight resistance shall be permitted for a feeder to a floating building where flexibility is required. Other raceways suitable for the location shall be permitted to be installed where flexibility is not required. [555.52(B)](https://2023.antflix.net#555.52(B)) | https://2023.antflix.net#555.52(B) |
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