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Chapter 4 Equipment for General Use | 422.16(B)(2) | Built-in dish-washers and trash compactors shall be permitted to be cord-and-plug-connected with a flexible cord identified as suitable for the purpose in the installation instructions of the appliance manufacturer where all of the following conditions are met: For a trash compactor, the length of the cord is not less ... | https://2023.antflix.net#422.16(B)(2) |
Chapter 4 Equipment for General Use | 422.16(B)(3) | Wall-mounted ovens and counter-mounted cooking units complete with provisions for mounting and for making electrical connections shall be permitted to be permanently connected or cord-and-plug-connected with a flexible cord identified as suitable for the purpose in the installation instructions of the appliance manufac... | https://2023.antflix.net#422.16(B)(3) |
Chapter 4 Equipment for General Use | 422.16(B)(4) | Range hoods and over-the-range microwave ovens with integral range hoods shall be permitted to be cord-and-plug-connected with a flexible cord identified as suitable for use on range hoods in the installation instructions of the appliance manufacturer, where all of the following conditions are met: The length of the co... | https://2023.antflix.net#422.16(B)(4) |
Chapter 4 Equipment for General Use | 422.17 | Each electrically heated appliance that is intended by size, weight, and service to be located in a fixed position shall be placed so as to provide protection between the appliance and adjacent combustible material. [422.17](https://2023.antflix.net#422.17) | https://2023.antflix.net#422.17 |
Chapter 4 Equipment for General Use | 422.18(A) | Ceiling-suspended (paddle) fans shall be supported independently of an outlet box or by one of the following: A listed outlet box or listed outlet box system identified for fan support installed in accordance with 314.27(C)A listed outlet box system, a listed weight-supporting ceiling receptacle, and a compatible facto... | https://2023.antflix.net#422.18(A) |
Chapter 4 Equipment for General Use | 422.18(B) | No metal parts of ceiling-suspended (paddle) fans in bathrooms and shower spaces shall be located within a zone measured 900 mm (3 ft) horizontally and 2.5 m (8 ft) vertically from the top of the bathtub rim or shower stall threshold. This zone is all-encompassing and shall include the space directly over the tub or sh... | https://2023.antflix.net#422.18(B) |
Chapter 4 Equipment for General Use | 422.19 | The combined volume of the canopy of ceiling-suspended (paddle) fans and outlet box shall provide sufficient space so that conductors and their connecting devices are capable of being installed in accordance with 314.16. [422.19](https://2023.antflix.net#422.19) | https://2023.antflix.net#422.19 |
Chapter 4 Equipment for General Use | 422.20 | In a completed installation, each outlet box shall be provided with a cover unless covered by means of a ceiling-suspended (paddle) fan canopy. [422.20](https://2023.antflix.net#422.20) | https://2023.antflix.net#422.20 |
Chapter 4 Equipment for General Use | 422.21 | Any combustible ceiling finish that is exposed between the edge of a ceiling-suspended (paddle) fan canopy or pan and an outlet box and that has a surface area of 1160 mm2 (180 in.2) or more shall be covered with noncombustible material. [422.21](https://2023.antflix.net#422.21) | https://2023.antflix.net#422.21 |
Chapter 4 Equipment for General Use | 422.22 | Appliances shall be permitted to use listed weight-supporting ceiling receptacles in combination with compatible weight-supporting attachment fittings used within their ratings and used in accordance with 314.27(E). [422.22](https://2023.antflix.net#422.22) | https://2023.antflix.net#422.22 |
Chapter 4 Equipment for General Use | 422.30 | A means shall be provided to simultaneously disconnect each appliance from all ungrounded conductors in accordance with the following sections of Part III. If an appliance is supplied by more than one branch circuit or feeder, these disconnecting means shall be grouped and identified as being the multiple disconnecting... | https://2023.antflix.net#422.30 |
Chapter 4 Equipment for General Use | 422.31 | For appliances that do not have a disconnecting means in accordance with 422.33 or 422.34, a disconnecting means shall be provided in accordance with 422.31(A), (B), or (C). [422.31](https://2023.antflix.net#422.31) | https://2023.antflix.net#422.31 |
Chapter 4 Equipment for General Use | 422.31(A) | For permanently connected appliances rated at not over 300 voltamperes or 1/8 hp, the branch-circuit overcurrent device shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or be capable of being locked in the open position in compliance with 110.... | https://2023.antflix.net#422.31(A) |
Chapter 4 Equipment for General Use | 422.31(B) | For permanently connected appliances rated over 300 volt-amperes, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or be capable of being locked in the open position in compliance with 110.25. Infor... | https://2023.antflix.net#422.31(B) |
Chapter 4 Equipment for General Use | 422.31(C) | The disconnecting means shall comply with 430.109 and 430.110. For permanently connected motor-operated appliances with motors rated over 1/8 hp, the disconnecting means shall be within sight from the appliance or be capable of being locked in the open position in compliance with 110.25. Exception: If an appliance is p... | https://2023.antflix.net#422.31(C) |
Chapter 4 Equipment for General Use | 422.33(A) | For cord-and-plug- (or attachment fitting—) connected appliances, an accessible separable connector or an accessible plug (or attachment fitting) and receptacle combination shall be permitted to serve as the disconnecting means. The attachment fitting shall be a factory installed part of the appliance and suitable for ... | https://2023.antflix.net#422.33(A) |
Chapter 4 Equipment for General Use | 422.33(B) | For cord-and-plug-connected household electric ranges, an attachment plug and receptacle connection at the rear base of a range, accessible from the front by removal of a drawer, shall be permitted. [422.33(B)](https://2023.antflix.net#422.33(B)) | https://2023.antflix.net#422.33(B) |
Chapter 4 Equipment for General Use | 422.33(C) | The rating of a receptacle or of a separable connector shall not be less than the rating of any appliance connected thereto. Exception: Demand factors authorized elsewhere in this Code shall be permitted to be applied to the rating of a receptacle or of a separable connector. [422.33(C)](https://2023.antflix.net#422.33... | https://2023.antflix.net#422.33(C) |
Chapter 4 Equipment for General Use | 422.34 | A unit switch(es) with a marked-off position that is a part of an appliance and disconnects all ungrounded conductors shall be permitted as the disconnecting means required by this article where other means for disconnection are provided in occupancies specified in 422.34(A) through (D). [422.34](https://2023.antflix.n... | https://2023.antflix.net#422.34 |
Chapter 4 Equipment for General Use | 422.34(A) | In multifamily dwellings, the other disconnecting means shall be within the dwelling unit, or on the same floor as the dwelling unit in which the appliance is installed, and shall be permitted to control lamps and other appliances. [422.34(A)](https://2023.antflix.net#422.34(A)) | https://2023.antflix.net#422.34(A) |
Chapter 4 Equipment for General Use | 422.34(B) | In two-family dwellings, the other disconnecting means shall be permitted either inside or outside of the dwelling unit in which the appliance is installed. In this case, an individual switch or circuit breaker for the dwelling unit shall be permitted and shall also be permitted to control lamps and other appliances. [... | https://2023.antflix.net#422.34(B) |
Chapter 4 Equipment for General Use | 422.34(C) | In one-family dwellings, the service disconnecting means shall be permitted to be the other disconnecting means. [422.34(C)](https://2023.antflix.net#422.34(C)) | https://2023.antflix.net#422.34(C) |
Chapter 4 Equipment for General Use | 422.34(D) | In other occupancies, the branch-circuit switch or circuit breaker, where readily accessible for servicing of the appliance, shall be permitted as the other disconnecting means. [422.34(D)](https://2023.antflix.net#422.34(D)) | https://2023.antflix.net#422.34(D) |
Chapter 4 Equipment for General Use | 422.35 | Switches and circuit breakers used as disconnecting means shall be of the indicating type. [422.35](https://2023.antflix.net#422.35) | https://2023.antflix.net#422.35 |
Chapter 4 Equipment for General Use | 422.40 | If the appliance is provided with a manually operated, line-connected, single-pole switch for appliance on-off operation, an Edison-base lampholder, or a 15- or 20-ampere receptacle, the attachment plug shall be of the polarized or grounding type. A 2-wire, nonpolarized attachment plug shall be permitted to be used on ... | https://2023.antflix.net#422.40 |
Chapter 4 Equipment for General Use | 422.41 | Cord-and-plug-connected portable, freestanding hydromassage units and hand-held hair dryers shall be constructed to provide protection for personnel against electrocution when immersed. [422.41](https://2023.antflix.net#422.41) | https://2023.antflix.net#422.41 |
Chapter 4 Equipment for General Use | 422.42 | In other than dwelling-type occupancies, each electrically heated appliance or group of appliances intended to be applied to combustible material shall be provided with a signal or an integral temperature-limiting device. [422.42](https://2023.antflix.net#422.42) | https://2023.antflix.net#422.42 |
Chapter 4 Equipment for General Use | 422.44 | Electric heaters of the cord-and-plug-connected immersion type shall be constructed and installed so that current-carrying parts are effectively insulated from electrical contact with the substance in which they are immersed. [422.44](https://2023.antflix.net#422.44) | https://2023.antflix.net#422.44 |
Chapter 4 Equipment for General Use | 422.45 | Each smoothing iron and other cord-and-plug-connected electrically heated appliance intended to be applied to combustible material shall be equipped with an approved stand, which shall be permitted to be a separate piece of equipment or a part of the appliance. [422.45](https://2023.antflix.net#422.45) | https://2023.antflix.net#422.45 |
Chapter 4 Equipment for General Use | 422.47 | All storage or instantaneous-type water heaters shall be equipped with a temperature-limiting means in addition to its control thermostat to disconnect all ungrounded conductors. Such means shall comply with both of the following: Installed to sense maximum water temperature.Be either a trip-free, manually reset type o... | https://2023.antflix.net#422.47 |
Chapter 4 Equipment for General Use | 422.48(A) | Infrared heating lamps rated at 300 watts or less shall be permitted with lampholders of the medium-base, unswitched porcelain type or other types identified as suitable for use with infrared heating lamps rated 300 watts or less. [422.48(A)](https://2023.antflix.net#422.48(A)) | https://2023.antflix.net#422.48(A) |
Chapter 4 Equipment for General Use | 422.48(B) | Screw shell lampholders shall not be used with infrared lamps rated over 300 watts, unless the lampholders are identified as being suitable for use with infrared heating lamps rated over 300 watts. [422.48(B)](https://2023.antflix.net#422.48(B)) | https://2023.antflix.net#422.48(B) |
Chapter 4 Equipment for General Use | 422.60(A) | Each electrical appliance shall be provided with a nameplate giving the identifying name and the rating in volts and amperes, or in volts and watts. If the appliance is to be used on a specific frequency or frequencies, it shall be so marked. Where motor overload protection external to the appliance is required, the ap... | https://2023.antflix.net#422.60(A) |
Chapter 4 Equipment for General Use | 422.60(B) | Marking shall be located so as to be visible or easily accessible after installation. [422.60(B)](https://2023.antflix.net#422.60(B)) | https://2023.antflix.net#422.60(B) |
Chapter 4 Equipment for General Use | 422.61 | All heating elements that are rated over one ampere, replaceable in the field, and a part of an appliance shall be legibly marked with the ratings in volts and amperes, or in volts and watts, or with the manufacturer's part number. [422.61](https://2023.antflix.net#422.61) | https://2023.antflix.net#422.61 |
Chapter 4 Equipment for General Use | 422.62(A) | Where a motor-operated appliance nameplate includes a horsepower rating, that rating shall not be less than the horsepower rating on the motor nameplate. Where an appliance consists of multiple motors, or one or more motors and other loads, the nameplate value shall not be less than the equivalent horsepower of the com... | https://2023.antflix.net#422.62(A) |
Chapter 4 Equipment for General Use | 422.62(B) | Appliances, other than those factory-equipped with cords and attachment plugs and with nameplates in compliance with 422.60, shall be marked in accordance with 422.62(B)(1) or (B)(2). [422.62(B)](https://2023.antflix.net#422.62(B)) | https://2023.antflix.net#422.62(B) |
Chapter 4 Equipment for General Use | 422.62(B)(1) | In addition to the marking required in 422.60, the marking on an appliance consisting of a motor with other load(s) or motors with or without other load(s) shall specify the minimum supply circuit conductor ampacity and the maximum rating of the circuit overcurrent protective device. This requirement shall not apply to... | https://2023.antflix.net#422.62(B)(1) |
Chapter 4 Equipment for General Use | 422.62(B)(2) | An alternate marking method shall be permitted to specify the rating of the largest motor in volts and amperes, and the additional load(s) in volts and amperes, or volts and watts in addition to the marking required in 422.60. The ampere rating of a motor 1/8 horsepower or less or a nonmotor load 1 ampere or less shall... | https://2023.antflix.net#422.62(B)(2) |
Chapter 4 Equipment for General Use | 424.1 | This article covers fixed electric equipment used for space heating. For the purpose of this article, heating equipment includes heating cables, unit heaters, boilers, central heating systems, or other fixed electric space-heating equipment. This article does not apply to process heating and room air conditioning. [424... | https://2023.antflix.net#424.1 |
Chapter 4 Equipment for General Use | 424.3 | Fixed electric space-heating equipment incorporating a hermetic refrigerant motor-compressor shall additionally comply with Table 424.3 unless amended by this article.Table 424.3 Other Articles Equipment Article Air-conditioning and refrigerating equipment 440 (Parts I, II, III, IV, V, VI) [424.3](https://202... | https://2023.antflix.net#424.3 |
Chapter 4 Equipment for General Use | 424.4(A) | An individual branch circuit shall be permitted to supply any volt-ampere or wattage rating of fixed electric space-heating equipment for which the branch circuit is rated. Branch circuits supplying two or more outlets for fixed electric space-heating equipment shall be rated not over 30 amperes. In other than a dwelli... | https://2023.antflix.net#424.4(A) |
Chapter 4 Equipment for General Use | 424.4(B) | The branch-circuit conductor(s) ampacity shall not be less than 125 percent of the load of the fixed electric space-heating equipment and any associated motor(s). [424.4(B)](https://2023.antflix.net#424.4(B)) | https://2023.antflix.net#424.4(B) |
Chapter 4 Equipment for General Use | 424.6 | Electric baseboard heaters, heating cables, duct heaters, and radiant heating systems shall be listed and labeled. [424.6](https://2023.antflix.net#424.6) | https://2023.antflix.net#424.6 |
Chapter 4 Equipment for General Use | 424.10 | Factory-installed receptacle outlets that are part of a permanently installed electric baseboard heater, or outlets provided as a separate listed assembly of an electric baseboard heater, shall be permitted in lieu of a receptacle outlet(s) that is required by 210.52. Such receptacle outlets shall not be connected to t... | https://2023.antflix.net#424.10 |
Chapter 4 Equipment for General Use | 424.11 | Fixed electric space-heating equipment requiring supply conductors with an insulation rating greater than 60°C shall be clearly and permanently marked. This marking shall be plainly visible after installation and shall be permitted to be adjacent to the field connection box. [424.11](https://2023.antflix.net#424.11) | https://2023.antflix.net#424.11 |
Chapter 4 Equipment for General Use | 424.12(A) | Where subject to physical damage, fixed electric space-heating equipment shall be protected in an approved manner. [424.12(A)](https://2023.antflix.net#424.12(A)) | https://2023.antflix.net#424.12(A) |
Chapter 4 Equipment for General Use | 424.12(B) | Heaters and related equipment installed in damp or wet locations shall be listed for such locations. Informational Note No. 1: See 110.11 for equipment exposed to deteriorating agents. Informational Note No. 2: See 680.27(C) for pool deck areas. [424.12(B)](https://2023.antflix.net#424.12(B)) | https://2023.antflix.net#424.12(B) |
Chapter 4 Equipment for General Use | 424.13 | Fixed electric space-heating equipment shall be installed to provide the required spacing between the equipment and adjacent combustible material, unless it is listed to be installed in direct contact with combustible material. [424.13](https://2023.antflix.net#424.13) | https://2023.antflix.net#424.13 |
Chapter 4 Equipment for General Use | 424.19 | Means shall be provided to simultaneously disconnect the heater, motor controller(s), and supplementary overcurrent protective device(s) of all fixed electric space-heating equipment from all ungrounded conductors. Where heating equipment is supplied by more than one source, feeder, or branch circuit, the disconnecting... | https://2023.antflix.net#424.19 |
Chapter 4 Equipment for General Use | 424.19(A) | The disconnecting means for fixed electric space-heating equipment with supplementary overcurrent protection shall be within sight from the supplementary overcurrent protective device(s), on the supply side of these devices, if fuses, and, in addition, shall comply with either 424.19(A)(1) or (A)(2). [424.19(A)](https:... | https://2023.antflix.net#424.19(A) |
Chapter 4 Equipment for General Use | 424.19(A)(1) | The disconnecting means provided shall be within sight from the motor controller(s) and the heater, or shall be lockable as specified in 424.19, or shall be a unit switch complying with 424.19(C). [424.19(A)(1)](https://2023.antflix.net#424.19(A)(1)) | https://2023.antflix.net#424.19(A)(1) |
Chapter 4 Equipment for General Use | 424.19(A)(2) | The disconnecting means required by 424.19 shall be permitted to serve as the required disconnecting means for both the motor controller(s) and heater under either of the following conditions: Where the disconnecting means is in sight from the motor controller(s) and the heater and complies with Part IX of Article 430.... | https://2023.antflix.net#424.19(A)(2) |
Chapter 4 Equipment for General Use | 424.19(B)(1) | For fixed electric space-heating equipment without a motor rated over 1/8 hp, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the heater or is capable of being locked in the open position in compliance with 110.... | https://2023.antflix.net#424.19(B)(1) |
Chapter 4 Equipment for General Use | 424.19(B)(2) | For motor-driven electric space-heating equipment with a motor rated over 1/8 hp, a disconnecting means shall be located within sight from the motor controller or shall be permitted to comply with the requirements in 424.19(A)(2). [424.19(B)(2)](https://2023.antflix.net#424.19(B)(2)) | https://2023.antflix.net#424.19(B)(2) |
Chapter 4 Equipment for General Use | 424.19(C) | A unit switch(es) with a marked "off" position that is part of a fixed heater and disconnects all ungrounded conductors shall be permitted as the disconnecting means required by this article where other means for disconnection are provided in the types of occupancies in 424.19(C)(1) through (C)(4). [424.19(C)](https://... | https://2023.antflix.net#424.19(C) |
Chapter 4 Equipment for General Use | 424.19(C)(1) | In multifamily dwellings, the other disconnecting means shall be within the dwelling unit, or on the same floor as the dwelling unit in which the fixed heater is installed, and shall also be permitted to control general-purpose circuits and appliance circuits. [424.19(C)(1)](https://2023.antflix.net#424.19(C)(1)) | https://2023.antflix.net#424.19(C)(1) |
Chapter 4 Equipment for General Use | 424.19(C)(2) | In two-family dwellings, the other disconnecting means shall be permitted either inside or outside of the dwelling unit in which the fixed heater is installed. In this case, an individual switch or circuit breaker for the dwelling unit shall be permitted and shall also be permitted to control general-purpose circuits a... | https://2023.antflix.net#424.19(C)(2) |
Chapter 4 Equipment for General Use | 424.19(C)(3) | In one-family dwellings, the service disconnecting means shall be permitted to be the other disconnecting means. [424.19(C)(3)](https://2023.antflix.net#424.19(C)(3)) | https://2023.antflix.net#424.19(C)(3) |
Chapter 4 Equipment for General Use | 424.19(C)(4) | In other occupancies, the branch-circuit switch or circuit breaker, where readily accessible for servicing of the fixed heater, shall be permitted as the other disconnecting means. [424.19(C)(4)](https://2023.antflix.net#424.19(C)(4)) | https://2023.antflix.net#424.19(C)(4) |
Chapter 4 Equipment for General Use | 424.20(A) | Thermostatically controlled switching devices and combination thermostats and manually controlled switches shall be permitted to serve as both controllers and disconnecting means, provided they meet all of the following conditions: Provided with a marked "off" positionDirectly open all ungrounded conductors when manual... | https://2023.antflix.net#424.20(A) |
Chapter 4 Equipment for General Use | 424.20(B) | Thermostats that do not directly interrupt all ungrounded conductors and thermostats that operate remote-control circuits shall not be required to meet the requirements of 424.20(A). These devices shall not be permitted as the disconnecting means. [424.20(B)](https://2023.antflix.net#424.20(B)) | https://2023.antflix.net#424.20(B) |
Chapter 4 Equipment for General Use | 424.21 | Switches and circuit breakers used as disconnecting means shall be of the indicating type. [424.21](https://2023.antflix.net#424.21) | https://2023.antflix.net#424.21 |
Chapter 4 Equipment for General Use | 424.22(A) | Electric space-heating equipment, other than motor-operated equipment required to have additional overcurrent protection by Parts III and IV of Article 430 or Parts III and VI of Article 440, shall be permitted to be protected against overcurrent where supplied by one of the branch circuits in Part II of Article 210. [... | https://2023.antflix.net#424.22(A) |
Chapter 4 Equipment for General Use | 424.22(B) | Resistance-type heating elements in electric space-heating equipment shall be protected at not more than 60 amperes. Equipment rated more than 48 amperes and employing such elements shall have the heating elements subdivided, and each subdivided load shall not exceed 48 amperes. Where a subdivided load is less than 48 ... | https://2023.antflix.net#424.22(B) |
Chapter 4 Equipment for General Use | 424.22(C) | The supplementary over-current protective devices for the subdivided loads specified in 424.22(B) shall meet all of the following conditions: Be factory-installed within or on the heater enclosure or supplied for use with the heater as a separate assembly by the heater manufacturerBe accessibleBe suitable for branch-ci... | https://2023.antflix.net#424.22(C) |
Chapter 4 Equipment for General Use | 424.22(D) | The conductors supplying the supplementary overcurrent protective devices shall be considered branch-circuit conductors. Where the heaters are rated 50 kW or more, the conductors supplying the supplementary overcurrent protective devices specified in 424.22(C) shall be permitted to be sized at not less than 100 percent... | https://2023.antflix.net#424.22(D) |
Chapter 4 Equipment for General Use | 424.22(E) | Field-wired conductors between the heater and the supplementary overcurrent protective devices shall be sized at not less than 125 percent of the load served. The supplementary overcurrent protective devices specified in 424.22(C) shall protect these conductors in accordance with 240.4. Where the heaters are rated 50 k... | https://2023.antflix.net#424.22(E) |
Chapter 4 Equipment for General Use | 424.28(A) | Each unit of fixed electric space-heating equipment shall be provided with a nameplate giving the identifying name and the normal rating in volts and watts or in volts and amperes. Electric space-heating equipment intended for use on alternating current only, direct current only, or both shall be marked to so indicate.... | https://2023.antflix.net#424.28(A) |
Chapter 4 Equipment for General Use | 424.28(B) | This nameplate shall be located so as to be visible or accessible after installation. [424.28(B)](https://2023.antflix.net#424.28(B)) | https://2023.antflix.net#424.28(B) |
Chapter 4 Equipment for General Use | 424.29 | All heating elements that are replaceable in the field and are part of an electric heater shall be legibly marked with the ratings in volts and watts or in volts and amperes. [424.29](https://2023.antflix.net#424.29) | https://2023.antflix.net#424.29 |
Chapter 4 Equipment for General Use | 424.34 | Factory-assembled nonheating leads of heating cables, if any, shall be at least 2.1 m (7 ft) in length. [424.34](https://2023.antflix.net#424.34) | https://2023.antflix.net#424.34 |
Chapter 4 Equipment for General Use | 424.35 | Each unit shall be marked with the identifying name or identification symbol, catalog number, and ratings in volts and watts or in volts and amperes. [424.35](https://2023.antflix.net#424.35) | https://2023.antflix.net#424.35 |
Chapter 4 Equipment for General Use | 424.36 | Wiring located above heated ceilings shall be spaced not less than 50 mm (2 in.) above the heated ceiling. The ampacity of conductors shall be calculated on the basis of an assumed ambient temperature of not less than 50°C (122°F), applying the correction factors in accordance with 310.15(B)(1). If this wiring is locat... | https://2023.antflix.net#424.36 |
Chapter 4 Equipment for General Use | 424.38(A) | Heating cables shall be permitted to extend beyond the room or area in which they originate unless prohibited by 424.38(B). [424.38(A)](https://2023.antflix.net#424.38(A)) | https://2023.antflix.net#424.38(A) |
Chapter 4 Equipment for General Use | 424.38(B) | Heating cables shall not be installed as follows: In closets, other than as noted in 424.38(C)Over the top of walls where the wall intersects the ceilingOver partitions that extend to the ceiling, unless they are isolated single runs of embedded cableUnder or through wallsOver cabinets whose clearance from the ceiling ... | https://2023.antflix.net#424.38(B) |
Chapter 4 Equipment for General Use | 424.38(C) | The provisions of 424.38(B) shall not prevent the use of cable in closet ceilings as low-temperature heat sources to control relative humidity, provided they are used only in those portions of the ceiling that are unobstructed to the floor. [424.38(C)](https://2023.antflix.net#424.38(C)) | https://2023.antflix.net#424.38(C) |
Chapter 4 Equipment for General Use | 424.39 | Heating elements of cables installed in ceilings shall be separated at least 200 mm (8 in.) from the edge of outlet boxes and junction boxes that are to be used for mounting surface luminaires. A clearance of not less than 50 mm (2 in.) shall be provided from recessed luminaires and their trims, ventilating openings, a... | https://2023.antflix.net#424.39 |
Chapter 4 Equipment for General Use | 424.40 | The length of heating cable shall only be altered using splices identified in the manufacturer's instructions. [424.40](https://2023.antflix.net#424.40) | https://2023.antflix.net#424.40 |
Chapter 4 Equipment for General Use | 424.41(A) | Heating cables identified only for use in ceiling installations shall not be installed in walls unless it is necessary for an isolated single run of cable to be installed down a vertical surface to reach a dropped ceiling. [424.41(A)](https://2023.antflix.net#424.41(A)) | https://2023.antflix.net#424.41(A) |
Chapter 4 Equipment for General Use | 424.41(B) | Adjacent runs of heating cable shall be installed in accordance with the manufacturer's instructions. [424.41(B)](https://2023.antflix.net#424.41(B)) | https://2023.antflix.net#424.41(B) |
Chapter 4 Equipment for General Use | 424.41(C) | Heating cables shall be applied only to gypsum board, plaster lath, or other fire-resistant material. With metal lath or other electrically conductive surfaces, a coat of plaster or other means employed in accordance with the heating cable manufacturer's instructions shall be applied to completely separate the metal la... | https://2023.antflix.net#424.41(C) |
Chapter 4 Equipment for General Use | 424.41(D) | All heating cables, the splice between the heating cable and nonheating leads, and 75-mm (3-in.) minimum of the nonheating lead at the splice shall be embedded in plaster or dry board in the same manner as the heating cable. [424.41(D)](https://2023.antflix.net#424.41(D)) | https://2023.antflix.net#424.41(D) |
Chapter 4 Equipment for General Use | 424.41(E) | The entire ceiling surface shall have a finish of thermally noninsulating sand plaster that has a nominal thickness of 13 mm (1/2 in.), or other noninsulating material identified as suitable for this use and applied according to specified thickness and directions. [424.41(E)](https://2023.antflix.net#424.41(E)) | https://2023.antflix.net#424.41(E) |
Chapter 4 Equipment for General Use | 424.41(F) | Cables shall be secured by means of approved stapling, tape, plaster, nonmetallic spreaders, or other approved means either at intervals not exceeding 400 mm (16 in.) or at intervals not exceeding 1.8 m (6 ft) for cables identified for such use. Staples or metal fasteners that straddle the cable shall not be used with ... | https://2023.antflix.net#424.41(F) |
Chapter 4 Equipment for General Use | 424.41(G) | In dry board installations, the entire ceiling below the heating cable shall be covered with gypsum board not exceeding 13 mm (1/2 in.) thickness. The void between the upper layer of gypsum board, plaster lath, or other fire-resistant material and the surface layer of gypsum board shall be completely filled with therma... | https://2023.antflix.net#424.41(G) |
Chapter 4 Equipment for General Use | 424.41(H) | Cables shall be kept free from contact with metal or other electrically conductive surfaces. [424.41(H)](https://2023.antflix.net#424.41(H)) | https://2023.antflix.net#424.41(H) |
Chapter 4 Equipment for General Use | 424.41(I) | In dry board applications, cable shall be installed parallel to the joist, leaving a clear space centered under the joist of 65 mm (214 in.) (width) between centers of adjacent runs of cable. A surface layer of gypsum board shall be mounted so that the nails or other fasteners do not pierce the heating cable. [424.41(I... | https://2023.antflix.net#424.41(I) |
Chapter 4 Equipment for General Use | 424.41(J) | Cables shall cross joists only at the ends of the room unless the cable is required to cross joists elsewhere in order to satisfy the manufacturer's instructions regarding clearance from ceiling penetrations and luminaires. [424.41(J)](https://2023.antflix.net#424.41(J)) | https://2023.antflix.net#424.41(J) |
Chapter 4 Equipment for General Use | 424.42 | Finished ceilings shall not be covered with decorative panels or beams constructed of materials that have thermal insulating properties, such as wood, fiber, or plastic. Finished ceilings shall be permitted to be covered with paint, wallpaper, or other approved surface finishes. [424.42](https://2023.antflix.net#424.42... | https://2023.antflix.net#424.42 |
Chapter 4 Equipment for General Use | 424.43(A) | Free nonheating leads of cables shall be installed in accordance with Chapter 3 wiring methods, or other listed means, from the junction box to a location within the ceiling. [424.43(A)](https://2023.antflix.net#424.43(A)) | https://2023.antflix.net#424.43(A) |
Chapter 4 Equipment for General Use | 424.43(B) | Not less than 150 mm (6 in.) of free nonheating lead shall be within the junction box. The marking of the leads shall be visible in the junction box. [424.43(B)](https://2023.antflix.net#424.43(B)) | https://2023.antflix.net#424.43(B) |
Chapter 4 Equipment for General Use | 424.43(C) | Excess leads of heating cables shall not be cut but shall be secured to the underside of the ceiling and embedded in plaster or other approved material, leaving only a length sufficient to reach the junction box with not less than 150 mm (6 in.) of free lead within the box. [424.43(C)](https://2023.antflix.net#424.43(C... | https://2023.antflix.net#424.43(C) |
Chapter 4 Equipment for General Use | 424.44(A) | Adjacent runs of heating cable shall be installed in accordance with the manufacturer's instructions. [424.44(A)](https://2023.antflix.net#424.44(A)) | https://2023.antflix.net#424.44(A) |
Chapter 4 Equipment for General Use | 424.44(B) | Cables shall be secured in place by nonmetallic frames or spreaders or other approved means while the concrete or other finish is applied. [424.44(B)](https://2023.antflix.net#424.44(B)) | https://2023.antflix.net#424.44(B) |
Chapter 4 Equipment for General Use | 424.44(C) | Leads shall be protected where they leave the floor by rigid metal conduit, intermediate metal conduit, rigid polyvinyl chloride conduit, electrical metallic tubing, or by other approved means. [424.44(C)](https://2023.antflix.net#424.44(C)) | https://2023.antflix.net#424.44(C) |
Chapter 4 Equipment for General Use | 424.44(D) | Bushings or approved fittings shall be used where the leads emerge within the floor slab. [424.44(D)](https://2023.antflix.net#424.44(D)) | https://2023.antflix.net#424.44(D) |
Chapter 4 Equipment for General Use | 424.44(E) | In addition to the requirements in 210.8, ground-fault circuit-interrupter protection for personnel shall be provided for cables installed in electrically heated floors of bathrooms, kitchens, and in hydromassage bathtub locations. [424.44(E)](https://2023.antflix.net#424.44(E)) | https://2023.antflix.net#424.44(E) |
Chapter 4 Equipment for General Use | 424.45(A) | Heating cables for installation under floor covering shall be identified as suitable for installation under floor covering. [424.45(A)](https://2023.antflix.net#424.45(A)) | https://2023.antflix.net#424.45(A) |
Chapter 4 Equipment for General Use | 424.45(B) | Heating cables shall not be installed where they bridge expansion joints unless provided with expansion and contraction fittings applicable to the manufacture of the cable. [424.45(B)](https://2023.antflix.net#424.45(B)) | https://2023.antflix.net#424.45(B) |
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