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Chaptewr 5 Special Occupancies | 547.42 | The service disconnecting means and overcurrent protection for each set of feeders or branch circuits shall be located at the distribution point. The service disconnecting means shall be installed in accordance with Part VI of Article 230. The feeders or branch circuits supplied to buildings or structures shall comply ... | https://2023.antflix.net#547.42 |
Chaptewr 5 Special Occupancies | 547.43 | Where a site is supplied by more than one distribution point, a permanent plaque or directory shall be installed at each of these distribution points denoting the location of each of the other distribution points and the buildings or structures served by each. [547.43](https://2023.antflix.net#547.43) | https://2023.antflix.net#547.43 |
Chaptewr 5 Special Occupancies | 547.44 | The installation and bonding of equipotential planes shall comply with 547.44(A) and (B). For the purposes of this section, the term livestock shall not include poultry. [547.44](https://2023.antflix.net#547.44) | https://2023.antflix.net#547.44 |
Chaptewr 5 Special Occupancies | 547.44(A) | Equipotential planes shall be required in the following areas: [547.44(A)](https://2023.antflix.net#547.44(A)) | https://2023.antflix.net#547.44(A) |
Chaptewr 5 Special Occupancies | 547.44(A)(1) | Equipotential planes shall be installed in confinement areas with concrete floors where metallic equipment is located that may become energized and is accessible to livestock. [547.44(A)(1)](https://2023.antflix.net#547.44(A)(1)) | https://2023.antflix.net#547.44(A)(1) |
Chaptewr 5 Special Occupancies | 547.44(A)(2) | Equipotential planes shall be installed in concrete slabs where metallic equipment is located that may become energized and is accessible to livestock. The equipotential plane shall encompass the area where the livestock stands while accessing metallic equipment that may become energized. [547.44(A)(2)](https://2023.an... | https://2023.antflix.net#547.44(A)(2) |
Chaptewr 5 Special Occupancies | 547.44(B) | Equipotential planes shall be bonded to the grounding electrode system or an equipment grounding terminal in any panelboard of the electrical grounding system associated with the equipotential plane. The bonding conductor shall be solid copper, insulated, covered or bare, and not smaller than 8 AWG. The means of bondin... | https://2023.antflix.net#547.44(B) |
Chaptewr 5 Special Occupancies | 550.1 | This article covers the electrical conductors and equipment installed within or on mobile and manufactured homes, the conductors that connect mobile and manufactured homes to a supply of electricity, and the installation of electrical wiring, luminaires, equipment, and appurtenances related to electrical installations ... | https://2023.antflix.net#550.1 |
Chaptewr 5 Special Occupancies | 550.4(A) | Mobile homes installed in other than mobile home parks shall comply with the provisions of this article. [550.4(A)](https://2023.antflix.net#550.4(A)) | https://2023.antflix.net#550.4(A) |
Chaptewr 5 Special Occupancies | 550.4(B) | This article shall apply to mobile homes intended for connection to a wiring system rated 120/240 volts, nominal, 3-wire ac, with a grounded neutral conductor. [550.4(B)](https://2023.antflix.net#550.4(B)) | https://2023.antflix.net#550.4(B) |
Chaptewr 5 Special Occupancies | 550.4(C) | All electrical materials, devices, appliances, fittings, and other equipment shall be listed and labeled by a qualified testing agency and shall be connected in an approved manner when installed. [550.4(C)](https://2023.antflix.net#550.4(C)) | https://2023.antflix.net#550.4(C) |
Chaptewr 5 Special Occupancies | 550.10(A) | The power supply to the mobile home shall be a feeder assembly consisting of not more than one listed 50-ampere mobile home power-supply cord or a permanently installed feeder. Exception No. 1: A mobile home that is factory equipped with gas or oil-fired centered heating equipment and cooking appliances shall be permit... | https://2023.antflix.net#550.10(A) |
Chaptewr 5 Special Occupancies | 550.10(B) | If the mobile home has a power-supply cord, it shall be permanently attached to the panelboard, or to a junction box permanently connected to the panelboard, with the free end terminating in an attachment plug cap. Cords with adapters and pigtail ends, extension cords, and similar items shall not be attached to, or shi... | https://2023.antflix.net#550.10(B) |
Chaptewr 5 Special Occupancies | 550.10(C) | The attachment plug cap shall be a 3-pole, 4-wire, grounding type, rated 50 amperes, 125/250 volts with a configuration as shown in Figure 550.10(C) and intended for use with the 50-ampere, 125/250-volt receptacle configuration shown in Figure 550.10(C). It shall be listed, by itself or as part of a power-supply cord a... | https://2023.antflix.net#550.10(C) |
Chaptewr 5 Special Occupancies | 550.10(D) | The overall length of a power-supply cord, measured from the end of the cord, including bared leads, to the face of the attachment plug cap shall not be less than 6.4 m (21 ft) and shall not exceed 11 m (361/2 ft). The length of the cord from the face of the attachment plug cap to the point where the cord enters the mo... | https://2023.antflix.net#550.10(D) |
Chaptewr 5 Special Occupancies | 550.10(E) | The power-supply cord shall bear the following marking: FOR USE WITH MOBILE HOMES - 40 AMPERES or FOR USE WITH MOBILE HOMES - 50 AMPERES [550.10(E)](https://2023.antflix.net#550.10(E)) | https://2023.antflix.net#550.10(E) |
Chaptewr 5 Special Occupancies | 550.10(F) | The point of entrance of the feeder assembly to the mobile home shall be in the exterior wall, floor, or roof. [550.10(F)](https://2023.antflix.net#550.10(F)) | https://2023.antflix.net#550.10(F) |
Chaptewr 5 Special Occupancies | 550.10(G) | Where the cord passes through walls or floors, it shall be protected by means of conduits and bushings or equivalent. The cord shall be permitted to be installed within the mobile home walls, provided a continuous raceway having a maximum size of 32 mm (11/4 in.) is installed from the branch-circuit panelboard to the u... | https://2023.antflix.net#550.10(G) |
Chaptewr 5 Special Occupancies | 550.10(H) | Permanent provisions shall be made for the protection of the attachment plug cap of the power-supply cord and any connector cord assembly or receptacle against corrosion and mechanical damage if such devices are in an exterior location while the mobile home is in transit. [550.10(H)](https://2023.antflix.net#550.10(H)) | https://2023.antflix.net#550.10(H) |
Chaptewr 5 Special Occupancies | 550.10(I) | Where the calculated load exceeds 50 amperes or where a permanent feeder is used, the supply shall be by means of either of the following: One mast weatherhead installation, installed in accordance with Part II of Article 230, containing four continuous, insulated, color-coded feeder conductors, one of which shall be a... | https://2023.antflix.net#550.10(I) |
Chaptewr 5 Special Occupancies | 550.11 | The branch-circuit equipment shall be permitted to be combined with the disconnecting means as a single assembly. Such a combination shall be permitted to be designated as a panelboard. If a fused panelboard is used, the maximum fuse size for the mains shall be plainly marked with lettering at least 6 mm (1/4 in.) high... | https://2023.antflix.net#550.11 |
Chaptewr 5 Special Occupancies | 550.11(A) | A single disconnecting means shall be provided in each mobile home consisting of a circuit breaker, or a switch and fuses and its accessories installed in a readily accessible location near the point of entrance of the supply cord or conductors into the mobile home. The main circuit breakers or fuses shall be plainly m... | https://2023.antflix.net#550.11(A) |
Chaptewr 5 Special Occupancies | 550.11(B) | Branch-circuit distribution equipment shall be installed in each mobile home and shall include overcurrent protection for each branch circuit consisting of either circuit breakers or fuses. The branch-circuit overcurrent devices shall be rated as follows:Not more than the circuit conductors; andNot more than 150 percen... | https://2023.antflix.net#550.11(B) |
Chaptewr 5 Special Occupancies | 550.11(C) | Where circuit breakers are provided for branch-circuit protection, 240-volt circuits shall be protected by a 2-pole common or companion trip, or by circuit breakers with identified handle ties. [550.11(C)](https://2023.antflix.net#550.11(C)) | https://2023.antflix.net#550.11(C) |
Chaptewr 5 Special Occupancies | 550.11(D) | A metal nameplate on the outside adjacent to the feeder assembly entrance shall read as follows: THIS CONNECTION FOR 120/240-VOLT,3-POLE, 4-WIRE, 60-HERTZ,___________ AMPERE SUPPLY The correct ampere rating shall be marked in the blank space. Exception: For manufactured homes, the manufacturer shall provide in its writ... | https://2023.antflix.net#550.11(D) |
Chaptewr 5 Special Occupancies | 550.12 | The number of branch circuits required shall be determined in accordance with 550.12(A) through (E). [550.12](https://2023.antflix.net#550.12) | https://2023.antflix.net#550.12 |
Chaptewr 5 Special Occupancies | 550.12(A) | The number of branch circuits shall be based on 33 volt-amperes/m2 (3 VA/ft2) times outside dimensions of the mobile home (coupler excluded) divided by 120 volts to determine the number of 15- or 20-ampere lighting area circuits, for example, [550.12(A)] [550.12(A)](https://2023.antflix.net#550.12(A)) | https://2023.antflix.net#550.12(A) |
Chaptewr 5 Special Occupancies | 550.12(B) | In kitchens, pantries, dining rooms, and breakfast rooms, two or more 20-ampere small-appliance circuits, in addition to the number of circuits required elsewhere in this section, shall be provided for all receptacle outlets required by 550.13(D) in these rooms. Such circuits shall have no other outlets. Exception No. ... | https://2023.antflix.net#550.12(B) |
Chaptewr 5 Special Occupancies | 550.12(C) | Where a laundry area is provided, a 20-ampere branch circuit shall be provided to supply the laundry receptacle outlet(s). This circuit shall have no other outlets. [550.12(C)](https://2023.antflix.net#550.12(C)) | https://2023.antflix.net#550.12(C) |
Chaptewr 5 Special Occupancies | 550.12(D) | (Including furnace, water heater, range, and central or room air conditioner, etc.). There shall be one or more circuits of adequate rating in accordance with the following: Informational Note: See Article 440 for central air conditioning.The ampere rating of fixed appliances shall be not over 50 percent of the circuit... | https://2023.antflix.net#550.12(D) |
Chaptewr 5 Special Occupancies | 550.12(E) | Bathroom receptacle outlets shall be supplied by at least one 20-ampere branch circuit. Such circuits shall have no outlets other than as provided for in 550.13(E)(2). [550.12(E)](https://2023.antflix.net#550.12(E)) | https://2023.antflix.net#550.12(E) |
Chaptewr 5 Special Occupancies | 550.13(A) | All receptacle outlets shall comply with the following: Be of grounding typeBe installed according to 406.4Except where supplying specific appliances, be 15- or 20-ampere, 125-volt, either single or multiple type, and accept parallel-blade attachment plugs [550.13(A)](https://2023.antflix.net#550.13(A)) | https://2023.antflix.net#550.13(A) |
Chaptewr 5 Special Occupancies | 550.13(B) | Ground-fault circuit-interrupter protection shall be provided as required in 210.8(A). In addition, in the following areas within a mobile or manufactured home, GFCI protection is limited to 125-volt, 15- and 20-ampere receptacles or outlets: Compartments accessible from outside the unitBathrooms, including receptacles... | https://2023.antflix.net#550.13(B) |
Chaptewr 5 Special Occupancies | 550.13(C) | A grounding-type receptacle outlet shall be provided for each cord-connected fixed appliance installed. [550.13(C)](https://2023.antflix.net#550.13(C)) | https://2023.antflix.net#550.13(C) |
Chaptewr 5 Special Occupancies | 550.13(D) | Except in the bath, closet, and hallway areas, receptacle outlets shall be installed at wall spaces 600 mm (2 ft) wide or more so that no point along the floor line is more than 1.8 m (6 ft) measured horizontally from an outlet in that space. In addition, a receptacle outlet shall be installed in the following location... | https://2023.antflix.net#550.13(D) |
Chaptewr 5 Special Occupancies | 550.13(E) | For the connection of pipe heating cable(s), a receptacle outlet shall be located on the underside of the unit as follows: Within 600 mm (2 ft) of the cold water inlet.Connected to an interior branch circuit, other than a small-appliance branch circuit. It shall be permitted to use a bathroom receptacle circuit for thi... | https://2023.antflix.net#550.13(E) |
Chaptewr 5 Special Occupancies | 550.13(F) | Receptacle outlets shall not be permitted in the following locations: Receptacle outlets shall not be installed within or directly over a bathtub or shower space.A receptacle shall not be installed in a face-up position in any countertop.Receptacle outlets shall not be installed above electric baseboard heaters, unless... | https://2023.antflix.net#550.13(F) |
Chaptewr 5 Special Occupancies | 550.13(G) | Receptacle outlets shall not be required in the following locations: In the wall space occupied by built-in kitchen or wardrobe cabinetsIn the wall space behind doors that can be opened fully against a wall surfaceIn room dividers of the lattice type that are less than 2.5 m (8 ft) long, not solid, and within 150 mm (6... | https://2023.antflix.net#550.13(G) |
Chaptewr 5 Special Occupancies | 550.14(A) | Means shall be provided to securely fasten appliances when the mobile home is in transit. (See 550.16 for provisions on grounding.) [550.14(A)](https://2023.antflix.net#550.14(A)) | https://2023.antflix.net#550.14(A) |
Chaptewr 5 Special Occupancies | 550.14(B) | Every appliance shall be accessible for inspection, service, repair, or replacement without removal of permanent construction. [550.14(B)](https://2023.antflix.net#550.14(B)) | https://2023.antflix.net#550.14(B) |
Chaptewr 5 Special Occupancies | 550.14(C) | Listed pendant-type luminaires or pendant cords shall be permitted. [550.14(C)](https://2023.antflix.net#550.14(C)) | https://2023.antflix.net#550.14(C) |
Chaptewr 5 Special Occupancies | 550.14(D) | Where a luminaire is installed over a bathtub or in a shower stall, it shall be of the enclosed and gasketed type listed for wet locations. [550.14(D)](https://2023.antflix.net#550.14(D)) | https://2023.antflix.net#550.14(D) |
Chaptewr 5 Special Occupancies | 550.15 | Except as specifically limited in this section, the wiring methods and materials included in this Code shall be used in mobile homes. Where conductors are terminated, they shall be used with equipment listed and identified for the conductor materials. [550.15](https://2023.antflix.net#550.15) | https://2023.antflix.net#550.15 |
Chaptewr 5 Special Occupancies | 550.15(A) | Nonmetallic boxes shall be permitted only with nonmetallic cable or nonmetallic raceways. [550.15(A)](https://2023.antflix.net#550.15(A)) | https://2023.antflix.net#550.15(A) |
Chaptewr 5 Special Occupancies | 550.15(B) | Nonmetallic cable located 380 mm (15 in.) or less above the floor, if exposed, shall be protected from physical damage by covering boards, guard strips, or raceways. Cable likely to be damaged by stowage shall be so protected in all cases. [550.15(B)](https://2023.antflix.net#550.15(B)) | https://2023.antflix.net#550.15(B) |
Chaptewr 5 Special Occupancies | 550.15(C) | Metal-covered and nonmetallic cables shall be permitted to pass through the centers of the wide side of 2 by 4 studs. However, they shall be protected where they pass through 2 by 2 studs or at other studs or frames where the cable or armor would be less than 32 mm (11/4 in.) from the inside or outside surface of the s... | https://2023.antflix.net#550.15(C) |
Chaptewr 5 Special Occupancies | 550.15(D) | Where metal faceplates are used, the installation shall comply with 404.9(B) and 406.6(B). [550.15(D)](https://2023.antflix.net#550.15(D)) | https://2023.antflix.net#550.15(D) |
Chaptewr 5 Special Occupancies | 550.15(E) | Where a range, clothes dryer, or other appliance is connected by metal-covered cable or flexible metal conduit, a length of not less than 900 mm (3 ft) of unsupported cable or conduit shall be provided to service the appliance. The cable or flexible metal conduit shall be secured to the wall. Type NM or Type SE cable s... | https://2023.antflix.net#550.15(E) |
Chaptewr 5 Special Occupancies | 550.15(F) | Where rigid metal conduit or intermediate metal conduit is terminated at an enclosure with a locknut and bushing connection, two locknuts shall be provided, one inside and one outside of the enclosure. Rigid nonmetallic conduit, electrical nonmetallic tubing, or surface raceway shall be permitted. All cut ends of condu... | https://2023.antflix.net#550.15(F) |
Chaptewr 5 Special Occupancies | 550.15(G) | Switches shall be rated as follows: For lighting circuits, switches shall be rated not less than 10 amperes, 120 to 125 volts, and in no case less than the connected load.Switches for motor or other loads shall comply with 404.14. [550.15(G)](https://2023.antflix.net#550.15(G)) | https://2023.antflix.net#550.15(G) |
Chaptewr 5 Special Occupancies | 550.15(H) | Where outdoor or under-chassis line-voltage (120 volts, nominal, or higher) wiring is exposed, it shall be protected by a conduit or raceway identified for use in wet locations. The conductors shall be listed for use in wet locations.Where wiring is exposed to physical damage, it shall be protected by a raceway, condui... | https://2023.antflix.net#550.15(H) |
Chaptewr 5 Special Occupancies | 550.15(I) | Boxes, fittings, and cabinets shall be securely fastened in place and shall be supported from a structural member of the home, either directly or by using a substantial brace. Exception: Snap-in-type boxes. Boxes provided with special wall or ceiling brackets and wiling devices with integral enclosures that securely fa... | https://2023.antflix.net#550.15(I) |
Chaptewr 5 Special Occupancies | 550.15(J) | Appliances having branch-circuit terminal connections that operate at temperatures higher than 60°C (140°F) shall have circuit conductors as described in the following: Branch-circuit conductors having an insulation suitable for the temperature encountered shall be permitted to be run directly to the appliance.Conducto... | https://2023.antflix.net#550.15(J) |
Chaptewr 5 Special Occupancies | 550.15(K) | 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 ... | https://2023.antflix.net#550.15(K) |
Chaptewr 5 Special Occupancies | 550.16 | Grounding of both electrical and nonelectrical metal parts in a mobile home shall be through connection to a grounding bus in the mobile home panelboard and shall be connected through the green-colored insulated conductor in the supply cord or the feeder wiring to the grounding bus in the service-entrance equipment loc... | https://2023.antflix.net#550.16 |
Chaptewr 5 Special Occupancies | 550.16(A)(1) | 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 eq... | https://2023.antflix.net#550.16(A)(1) |
Chaptewr 5 Special Occupancies | 550.16(A)(2) | Connections of ranges and clothes dryers with 120/240-volt, 3-wire ratings shall be made with 4-conductor cord and 3-pole, 4-wire, grounding-type plugs or by Type AC cable, Type MC cable, or conductors enclosed in flexible metal conduit. [550.16(A)(2)](https://2023.antflix.net#550.16(A)(2)) | https://2023.antflix.net#550.16(A)(2) |
Chaptewr 5 Special Occupancies | 550.16(B)(1) | The green-colored insulated grounding wire in the supply cord or permanent feeder wiring shall be connected to the grounding bus in the panelboard or disconnecting means. [550.16(B)(1)](https://2023.antflix.net#550.16(B)(1)) | https://2023.antflix.net#550.16(B)(1) |
Chaptewr 5 Special Occupancies | 550.16(B)(2) | In the electrical system, all exposed metal parts, enclosures, frames, luminaire canopies, and so forth, shall be effectively bonded to the grounding terminal or enclosure of the panelboard. [550.16(B)(2)](https://2023.antflix.net#550.16(B)(2)) | https://2023.antflix.net#550.16(B)(2) |
Chaptewr 5 Special Occupancies | 550.16(B)(3) | Cord-connected appliances, such as washing machines, clothes dryers, and refrigerators, and the electrical system of gas ranges and so forth, shall be grounded by means of a cord with an equipment grounding conductor and grounding-type attachment plug. [550.16(B)(3)](https://2023.antflix.net#550.16(B)(3)) | https://2023.antflix.net#550.16(B)(3) |
Chaptewr 5 Special Occupancies | 550.16(C)(1) | 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. A bonding conductor shall be connected between the panelboard and an accessible terminal on the chassis. Chassis of multiple mobile home sections shall b... | https://2023.antflix.net#550.16(C)(1) |
Chaptewr 5 Special Occupancies | 550.16(C)(2) | 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. The bonding conductor shall be routed so as not to be exposed to physic... | https://2023.antflix.net#550.16(C)(2) |
Chaptewr 5 Special Occupancies | 550.16(C)(3) | Metallic gas, water, and waste pipes and metallic air-circulating ducts shall be considered bonded if they are connected to the terminal on the chassis [see 550.16(C)(1)] by clamps, solderless connectors, or by suitable grounding-type straps. [550.16(C)(3)](https://2023.antflix.net#550.16(C)(3)) | https://2023.antflix.net#550.16(C)(3) |
Chaptewr 5 Special Occupancies | 550.16(C)(4) | Any metallic roof and exterior covering shall be considered bonded if the following conditions are met: The metal panels overlap one another and are securely attached to the wood or metal frame parts by metallic fasteners.The lower panel of the metallic exterior covering is secured by metallic fasteners at a cross memb... | https://2023.antflix.net#550.16(C)(4) |
Chaptewr 5 Special Occupancies | 550.17(A) | The wiring of each mobile home shall be subjected to a 1-minute, 900-volt, dielectric strength test (with all switches closed) between live parts (including neutral conductor) and the mobile home ground. Alternatively, the test shall be permitted to be performed at 1080 volts for 1 second. This test shall be performed ... | https://2023.antflix.net#550.17(A) |
Chaptewr 5 Special Occupancies | 550.17(B) | Each mobile home shall be subjected to all of the following: An electrical continuity test to ensure that all exposed electrically conductive parts are properly bondedAn electrical operational test to demonstrate that all equipment, except water heaters and electric furnaces, is connected and in working orderElectrical... | https://2023.antflix.net#550.17(B) |
Chaptewr 5 Special Occupancies | 550.18 | The following method shall be employed in calculating the supply-cord and distribution-panelboard load for each feeder assembly for each mobile home in lieu of the procedure shown in Article 220 and shall be based on a 3-wire, 120/240-volt supply with 120-volt loads balanced between the two ungrounded conductors of the... | https://2023.antflix.net#550.18 |
Chaptewr 5 Special Occupancies | 550.18(A)(1) | Length times width of mobile home floor (outside dimensions) times 33 volt-amperes/m2 (3 VA/ft2)- for example, length × width × 3 = lighting voltamperes. [550.18(A)(1)](https://2023.antflix.net#550.18(A)(1)) | https://2023.antflix.net#550.18(A)(1) |
Chaptewr 5 Special Occupancies | 550.18(A)(2) | Number of circuits times 1500 volt-amperes for each 20-ampere appliance receptacle circuit - for example, number of circuits × 1500 = small-appliance volt-amperes. [550.18(A)(2)](https://2023.antflix.net#550.18(A)(2)) | https://2023.antflix.net#550.18(A)(2) |
Chaptewr 5 Special Occupancies | 550.18(A)(3) | 1500 volt-amperes. [550.18(A)(3)](https://2023.antflix.net#550.18(A)(3)) | https://2023.antflix.net#550.18(A)(3) |
Chaptewr 5 Special Occupancies | 550.18(A)(4) | Lighting volt-amperes plus small-appliance volt-amperes plus laundry area volt-amperes equals total volt-amperes. [550.18(A)(4)](https://2023.antflix.net#550.18(A)(4)) | https://2023.antflix.net#550.18(A)(4) |
Chaptewr 5 Special Occupancies | 550.18(A)(5) | First 3000 total volt-amperes at 100 percent plus remainder at 35 percent equals volt-amperes to be divided by 240 volts to obtain current (amperes) per leg. [550.18(A)(5)](https://2023.antflix.net#550.18(A)(5)) | https://2023.antflix.net#550.18(A)(5) |
Chaptewr 5 Special Occupancies | 550.18(B) | Total load for determining power supply is the sum of the following:
Lighting and small-appliance load as calculated in 550.18(A)(5).
Nameplate amperes for motors and heater loads (exhaust fans, air conditioners, electric, gas, or oil heating). Omit smaller of the heating and cooling loads, except include blower motor... | https://2023.antflix.net#550.18(B) |
Chaptewr 5 Special Occupancies | 550.18(C) | The optional method for calculating lighting and appliance load shown in 220.82 shall be permitted. Table 550.18(B) Freestanding Range Load Nameplate Rating(watts) Use(volt-amperes) 0—10,000 80 percent of rating Over 10,000—12,500 8,000 Over 12,500—13,500 8,400 Over 13,500—14,500 8,800 Over 14,500—15,500... | https://2023.antflix.net#550.18(C) |
Chaptewr 5 Special Occupancies | 550.19(A) | Approved and listed fixed-type wiring methods shall be used to join portions of a circuit that must be electrically joined and are located in adjacent sections after the home is installed on its support foundation. The circuit's junction shall be accessible for disassembly when the home is prepared for relocation. Info... | https://2023.antflix.net#550.19(A) |
Chaptewr 5 Special Occupancies | 550.19(B) | Expandable or multiunit manufactured homes, not having permanently installed feeders, that are to be moved from one location to another shall be permitted to have disconnecting means with branch-circuit protective equipment in each unit when so located that after assembly or joining together of units, the requirements ... | https://2023.antflix.net#550.19(B) |
Chaptewr 5 Special Occupancies | 550.20(A) | Outdoor luminaires and equipment shall be listed for wet locations or outdoor use. Outdoor receptacles shall comply with 406.9. Where located on the underside of the home or located under roof extensions or similarly protected locations, outdoor luminaires and equipment shall be listed for use in damp locations. [550.2... | https://2023.antflix.net#550.20(A) |
Chaptewr 5 Special Occupancies | 550.20(B) | A mobile home provided with a branch circuit designed to energize outside heating equipment, air-conditioning equipment, or both, located outside the mobile home, other than room air conditioners, shall have such branch-circuit conductors terminate in a listed outlet box, or disconnecting means, located on the outside ... | https://2023.antflix.net#550.20(B) |
Chaptewr 5 Special Occupancies | 550.25 | All 120-volt, single-phase, 15- and 20-ampere branch circuits supplying outlets or devices installed in mobile homes and manufactured homes shall comply with 210.12 [550.25](https://2023.antflix.net#550.25) | https://2023.antflix.net#550.25 |
Chaptewr 5 Special Occupancies | 550.30 | The mobile home park secondary electrical distribution system to mobile home lots shall be single-phase, 120/240 volts, nominal. [550.30](https://2023.antflix.net#550.30) | https://2023.antflix.net#550.30 |
Chaptewr 5 Special Occupancies | 550.31 | Park electrical wiring systems shall be calculated (at 120/240 volts) on the larger of the following: 16,000 volt-amperes for each mobile home lotThe load calculated in accordance with 550.18 for the largest typical mobile home that each lot will acceptIt shall be permissible to calculate the feeder or service load in ... | https://2023.antflix.net#550.31 |
Chaptewr 5 Special Occupancies | 550.32(A) | The mobile home service equipment shall not be mounted in or on the mobile home. The service equipment shall be rated not less than that required in accordance with 550.32(C), mounted in a readily accessible outdoor location, and within sight from the mobile home it serves. The mobile home service disconnect shall be p... | https://2023.antflix.net#550.32(A) |
Chaptewr 5 Special Occupancies | 550.32(B) | The manufactured home service equipment shall be permitted to be installed in or on a manufactured home, provided that all of the following conditions are met: The manufacturer shall include in its written installation instructions information indicating that the home shall be secured in place by an anchoring system or... | https://2023.antflix.net#550.32(B) |
Chaptewr 5 Special Occupancies | 550.32(C) | Mobile home service equipment shall be rated at not less than 100 amperes at 120/240 volts, and provisions shall be made for connecting a mobile home feeder assembly by a permanent wiring method. Power outlets used as mobile home service equipment shall also be permitted to contain receptacles rated up to 50 amperes wi... | https://2023.antflix.net#550.32(C) |
Chaptewr 5 Special Occupancies | 550.32(D) | Means for connecting a mobile home accessory building or structure or additional electrical equipment located outside a mobile home by a fixed wiring method shall be provided in either the mobile home service equipment or the local external disconnecting means permitted in 550.32(A). [550.32(D)](https://2023.antflix.ne... | https://2023.antflix.net#550.32(D) |
Chaptewr 5 Special Occupancies | 550.32(E) | Receptacles located outside a mobile or manufactured home shall be provided with ground-fault circuit-interrupter protection as specified by 210.8(A). Where receptacles provide power to a mobile or manufactured home in accordance with 550.10, ground-fault circuit-interrupter protection shall not be required. [550.32(E)... | https://2023.antflix.net#550.32(E) |
Chaptewr 5 Special Occupancies | 550.32(F) | Outdoor mobile home disconnecting means shall be installed so the bottom of the enclosure containing the disconnecting means is not less than 600 mm (2 ft) above finished grade or working platform. The disconnecting means shall be installed so that the center of the grip of the operating handle, when in the highest pos... | https://2023.antflix.net#550.32(F) |
Chaptewr 5 Special Occupancies | 550.32(G) | Where a 125/250-volt receptacle is used in mobile home service equipment, the service equipment shall be marked as follows: TURN DISCONNECTING SWITCH ORCIRCUIT BREAKER OFF BEFORE INSERTINGOR REMOVING PLUG. PLUG MUST BE FULLYINSERTED OR REMOVED. The marking shall be located on the service equipment adjacent to the recep... | https://2023.antflix.net#550.32(G) |
Chaptewr 5 Special Occupancies | 550.33(A) | The feeder assembly, including the disconnecting means, shall not be mounted in or on the mobile home. A manufactured home feeder disconnecting means shall be permitted to be installed in or on the manufactured home in accordance with the requirements of 550.32(B). The feeder equipment shall be rated not less than that... | https://2023.antflix.net#550.33(A) |
Chaptewr 5 Special Occupancies | 550.33(B) | Feeder conductors shall comply with the following: Feeder conductors shall consist of either a listed cord, factory installed in accordance with 550.10(B), or a permanently installed feeder consisting of four insulated, color-coded conductors that shall be identified by the factory or field marking of the conductors in... | https://2023.antflix.net#550.33(B) |
Chaptewr 5 Special Occupancies | 550.33(C) | Mobile home and manufactured home feeder circuit conductors shall have a capacity not less than the loads supplied, shall have an ampacity of not less than 100 amperes, and shall be permitted to be sized in accordance with 310.12. [550.33(C)](https://2023.antflix.net#550.33(C)) | https://2023.antflix.net#550.33(C) |
Chaptewr 5 Special Occupancies | 551.1 | This article covers the electrical conductors and equipment other than low-voltage and automotive vehicle circuits or extensions thereof, installed within or on recreational vehicles, the conductors that connect recreational vehicles to a supply of electricity, and the installation of equipment and devices related to e... | https://2023.antflix.net#551.1 |
Chaptewr 5 Special Occupancies | 551.3 | The electrical datum plane distance(s) is determined by the normal high water level and encompasses the areas subject to tidal movement and areas in which the water level is affected by the conditions such as climate (rain or snowfall) or by human intervention (the opening and closing of dams or floodgates). The distan... | https://2023.antflix.net#551.3 |
Chaptewr 5 Special Occupancies | 551.3(A) | 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 high tide level for the area occurring under normal circumstances. [551.3(A)](https://2023.antflix.net#551.3(A)) | https://2023.antflix.net#551.3(A) |
Chaptewr 5 Special Occupancies | 551.3(B) | 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 normal high water level for the area occurring under normal circumstances. [551.3(B)](https://2023.antflix.net#551.3(B)) | https://2023.antflix.net#551.3(B) |
Chaptewr 5 Special Occupancies | 551.4(A) | A recreational vehicle not used for the purposes as defined in 551.2 shall not be required to meet the requirements of Part IV pertaining to the number or capacity of circuits required. It shall, however, meet all other applicable requirements of this article if the recreational vehicle is provided with an electrical i... | https://2023.antflix.net#551.4(A) |
Chaptewr 5 Special Occupancies | 551.4(B) | This article covers combination electrical systems, generator installations, and 120-volt, 208Y/120-volt, or 120/240-volt, nominal, systems. Informational Note: See NFPA 1192-2021, Standard on Recreational Vehicles, and ANSI/RVIA 12V-2020, Standard for Low Voltage Systems in Conversion and Recreational Vehicles, for in... | https://2023.antflix.net#551.4(B) |
Chaptewr 5 Special Occupancies | 551.4(C) | Labels required by Article 551 shall be made of etched, metal-stamped, or embossed brass; stainless steel; plastic laminates not less than 0.13 mm (0.005 in.) thick; or anodized or alclad aluminum not less than 0.5 mm (0.020 in.) thick or the equivalent. Informational Note: See ANSI Z535.4-2011, Product Safety Signs an... | https://2023.antflix.net#551.4(C) |
Chaptewr 5 Special Occupancies | 551.20(A) | Vehicle wiring suitable for connection to a battery or dc supply source shall be permitted to be connected to a 120-volt source, provided the entire wiring system and equipment are rated and installed in full conformity with Parts I, II, III, IV, and V requirements of this article covering 120-volt electrical systems. ... | https://2023.antflix.net#551.20(A) |
Chaptewr 5 Special Occupancies | 551.20(B) | The 120-volt ac side of the voltage converter shall be wired in full conformity with the requirements of Parts I, II, and IV of this article for 120-volt electrical systems. Exception: Converters supplied as an integral part of a listed appliance shall not be subject to 551.20(B). All converters and transformers shall ... | https://2023.antflix.net#551.20(B) |
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