Bill Text: IA SF441 | 2023-2024 | 90th General Assembly | Introduced


Bill Title: A bill for an act relating to the national electrical code.

Spectrum: Partisan Bill (Republican 1-0)

Status: (Introduced) 2023-02-28 - Subcommittee: Webster, Brown, and Giddens. S.J. 439. [SF441 Detail]

Download: Iowa-2023-SF441-Introduced.html
Senate File 441 - Introduced SENATE FILE 441 BY WEBSTER A BILL FOR An Act relating to the national electrical code. 1 BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA: 2 TLSB 2312XS (3) 90 ss/rn
S.F. 441 Section 1. Section 103.1, Code 2023, is amended by adding 1 the following new subsection: 2 NEW SUBSECTION . 10A. “National electrical code” means 3 the national electrical code, 2020 edition, published by the 4 national fire protection association, as modified by section 5 103.1B, and excluding sections 210.8(F) and 230.67 of the 6 national electrical code. 7 Sec. 2. NEW SECTION . 103.1B National electrical code —— 8 alterations. 9 1. Definitions. The definition of “accessible, readily” in 10 article 100 of the national electrical code, 2020 edition, is 11 amended to include access to motors for hot spas and similar 12 devices to be made readily accessible by means of a door on 13 hinges or the equivalent. 14 2. Ground-fault circuit-interrupter protection for 15 personnel. Section 210.8 of the national electrical code, 2020 16 edition, is amended to include that locations not needed are 17 dedicated for appliances and approved by the local authority 18 having jurisdiction as long as it is a single yoke outlet. 19 3. Dwelling units. The first sentence of the first 20 paragraph of section 210.8(A) of the national electrical 21 code, 2020 edition, is amended to provide that all one 22 hundred twenty-five volt, single-phase, fifteen-ampere and 23 twenty-ampere receptacles installed in the locations specified 24 in sections 210.8(A)(1) through 210.8(A)(11) of the national 25 electrical code, 2020 edition, and supplied by single-phase 26 branch circuits rated one hundred fifty volts or less to 27 ground shall have ground-fault circuit-interrupter protection 28 for personnel. In lieu of basements, section 210.8(A) of 29 the national electrical code, 2020 edition, shall apply to 30 unfinished portions or areas of the basement not intended as 31 habitable rooms. 32 4. Receptacle outlets in bedroom. Section 210.12(A) of 33 the national electrical code, 2020 edition, is deleted, and 34 the following means of protection for receptacle outlets in 35 -1- LSB 2312XS (3) 90 ss/rn 1/ 11
S.F. 441 bedrooms are adopted: 1 a. A listed combination-type arc-fault circuit interrupter, 2 installed to provide protection of the entire branch circuit. 3 b. A listed branch or feeder type arc-fault circuit 4 interrupter installed at the origin of the branch-circuit in 5 combination with a listed outlet branch-circuit type arc-fault 6 circuit interrupter installed at the first outlet box on the 7 branch circuit. The first outlet box in the branch circuit 8 shall be marked to indicate that it is the first outlet of the 9 circuit. 10 c. A listed supplemental arc protection circuit breaker 11 installed at the origin of the branch circuit in combination 12 with a listed outlet branch-circuit type arc-fault circuit 13 interrupter installed at the first outlet box on the branch 14 circuit where all of the following conditions are met: 15 (1) The branch-circuit wiring shall be continuous from the 16 branch-circuit overcurrent device to the outlet branch-circuit 17 arc-fault circuit interrupter. 18 (2) The maximum length of the branch-circuit wiring from 19 the branch-circuit overcurrent device to the first outlet 20 shall not exceed fifteen and two-tenths meters or fifty feet 21 for a fourteen American wire gauge conductor or twenty-one and 22 three-tenths meters or seventy feet for a twelve American wire 23 gauge conductor. 24 (3) The first outlet box in the branch circuit shall be 25 marked to indicate that it is the first outlet of the circuit. 26 d. A listed outlet branch-circuit type arc-fault circuit 27 interrupter installed at the first outlet on the branch 28 circuit in combination with a listed branch-circuit overcurrent 29 protective device where all of the following conditions are 30 met: 31 (1) The branch-circuit wiring shall be continuous from the 32 branch-circuit overcurrent device to the outlet branch-circuit 33 arc-fault circuit interrupter. 34 (2) The maximum length of the branch-circuit wiring from 35 -2- LSB 2312XS (3) 90 ss/rn 2/ 11
S.F. 441 the branch-circuit overcurrent device to the first outlet 1 shall not exceed fifteen and two-tenths meters or fifty feet 2 for a fourteen American wire gauge conductor or twenty-one and 3 three-tenths meters or seventy feet for a twelve American wire 4 gauge conductor. 5 (3) The first outlet box in the branch circuit shall be 6 marked to indicate that it is the first outlet of the circuit. 7 (4) The combination of the branch-circuit overcurrent 8 device and outlet branch-circuit arc-fault circuit interrupter 9 shall be identified as meeting the requirements for a system 10 combination-type arc-fault circuit interrupter and shall be 11 listed as such. 12 e. If RMC, IMC, EMT, type MC, or steel-armored type AC 13 cables meeting the requirements of section 250.118 of the 14 national electrical code, 2020 edition, metal wire-ways, metal 15 auxiliary gutters, and metal outlet and junction boxes are 16 installed for the portion of the branch circuit between the 17 branch-circuit overcurrent device and the first outlet, it 18 shall be permitted to install a listed outlet branch-circuit 19 type arc-fault circuit interrupter at the first outlet to 20 provide protection for the remaining portion of the branch 21 circuit. 22 f. Where a listed metal or nonmetallic conduit or tubing or 23 type MC cable is encased in not less than fifty millimeters or 24 two inches of concrete for the portion of the branch circuit 25 between the branch-circuit overcurrent device and the first 26 outlet, it shall be permitted to install a listed outlet 27 branch-circuit type arc-fault circuit interrupter at the first 28 outlet to provide protection for the remaining portion of the 29 branch circuit. 30 g. Where an individual branch circuit to a fire alarm system 31 installed in accordance with 760.41(B) or 760.121(B) of the 32 national electrical code, 2020 edition, is installed in RMC, 33 IMC, EMT, or steel-sheathed cable, type AC or type MC, meeting 34 the requirements of 250.118 of the national electrical code, 35 -3- LSB 2312XS (3) 90 ss/rn 3/ 11
S.F. 441 2020 edition, with metal outlet and junction boxes, arc-fault 1 circuit interrupter protection may be omitted. 2 5. Guest rooms and guest suites. In lieu of the 3 requirements of section 210.12(C) of the national electrical 4 code, 2020 edition, all one hundred twenty volt, single-phase, 5 fifteen-ampere and twenty-ampere branch circuits supplying 6 outlets and devices installed in guest rooms and guest suites 7 of hotels and motels shall be protected by any of the means 8 described in subsection 4, paragraphs “a” through “f” . 9 6. Branch circuit extensions or modifications. In lieu 10 of the requirements of section 210.12(D) of the national 11 electrical code, 2020 edition, in any of the areas specified 12 in section 210.12(B) of the national electrical code, 2020 13 edition, where branch-circuit wiring is modified, replaced, 14 or extended, the branch circuit shall be protected by one of 15 the following, except that arc-fault circuit interruption 16 protection shall not be required where the extension of the 17 existing conductors is not more than one and eight-tenths 18 meters or six feet and does not include any additional outlets 19 or devices: 20 a. A listed combination-type arc-fault circuit interrupter 21 located at the origin of the branch circuit. 22 b. A listed outlet branch-circuit type arc-fault circuit 23 interrupter located at the first receptacle outlet of the 24 existing branch circuit. 25 7. Island countertop spacing. With respect to section 26 210.52(C)(2) of the national electrical code, 2020 edition, a 27 length greater than six feet needs two outlets, and then every 28 four feet, if there is a break in the countertop, two outlets 29 are needed, one on each side of the break. 30 8. Dwelling united receptacle outlets in bathrooms. With 31 respect to section 210.52(D) of the national electrical code, 32 2020 edition, no outlet, switch, or fixture shall be installed 33 within three feet of a tub or shower as measured from the tub 34 surround horizontally, unless protected by a ground-fault 35 -4- LSB 2312XS (3) 90 ss/rn 4/ 11
S.F. 441 circuit interrupter before the device. 1 9. Residential circuit calculations. With respect to 2 article 220 of the national electrical code, 2020 edition, the 3 following calculations shall apply for residential circuits: 4 a. For lighting outlets, ten per circuit, unless approved by 5 the authority having jurisdiction. 6 b. For convenience outlets in general duplex receptacles, 7 ten per circuit. 8 c. For convenience outlets in a kitchen, two per circuit. 9 Receptacles on the same circuit shall not service the same area 10 of the countertop. 11 10. Wiring methods for one thousand volts, nominal, or 12 less. Sections one, two, seven, and fourteen of section 230.43 13 of the national electrical code, 2020 edition, are deleted. 14 11. Service equipment —— disconnecting means. With 15 respect to section 230.70(A) of the national electrical code, 16 2020 edition, any nonfused or unprotected service entrance 17 conductors entering a home or business extending over ten 18 feet from the point of entrance into the building require a 19 disconnect to be installed on the building exterior. 20 12. Feeder taps. With respect to section 240.21(B) of the 21 national electrical code, 2020 edition, no taps or splices 22 shall be allowed on feeders or subfeeders unless approved by 23 the local authority having jurisdiction. 24 13. Cables and raceways installed in shallow grooves. With 25 respect to section 300.4(F) of the national electrical code, 26 2020 edition, all connections which use the EMT conduit, 27 flexible metallic tubing, sealtight metallic conduit, et 28 cetera, shall utilize insulated throats. 29 14. Fittings. With respect to section 300.4(G) of the 30 national electrical code, 2020 edition, all connections which 31 use the EMT conduit, flexible metallic tubing, sealtight 32 metallic conduit, et cetera, shall utilize insulated throats. 33 15. Conductors. In lieu of the requirements of section 34 310.3 of the national electrical code, 2020 edition, 35 -5- LSB 2312XS (3) 90 ss/rn 5/ 11
S.F. 441 conductors, whether solid or stranded, shall be no smaller than 1 number twelve copper or number ten aluminum or copper-clad 2 aluminum except for the following: 3 a. Flexible cords as permitted by section 400.12 of the 4 national electrical code, 2020 edition. 5 b. Fixture wire as permitted by section 402.6 of the 6 national electrical code, 2020 edition. 7 c. Fractional horsepower motors as permitted by section 8 430.22(F) of the national electrical code, 2020 edition. 9 d. Cranes and hoists as permitted by section 610.14 of the 10 national electrical code, 2020 edition. 11 e. Elevator control and signaling circuits as permitted by 12 section 620.12 of the national electrical code, 2020 edition. 13 f. Class one, two, and three circuits as permitted by 14 sections 725.27(A) or 725.82(B) of the national electrical 15 code, 2020 edition. 16 g. Fire-protective signaling circuits as permitted by 17 section 760.27(A) or 760.82(B), or the exception to section 18 760.51 of the national electrical code, 2020 edition. 19 h. For type V cables, minimum conductor sizes are as 20 follows: 21 (1) Number twelve for one thousand two hundred volt rating. 22 (2) Number ten for three thousand volt rating. 23 (3) Number eight for four thousand volt rating. 24 i. Motor control circuits as permitted by section 430.72 of 25 the national electrical code, 2020 edition. 26 j. Control and instrumentation circuits as permitted by 27 section 727.6 of the national electrical code, 2020 edition. 28 k. Electric signs and outline lighting as permitted in 29 sections 600.31(B) and 600.32(B) of the national electrical 30 code, 2020 edition. 31 l. Smoke detector circuits in all occupancies, which may use 32 number fourteen wire. 33 16. Permitted uses for nonmetallic-sheathed cable. With 34 respect to the requirements of section 334.10 of the national 35 -6- LSB 2312XS (3) 90 ss/rn 6/ 11
S.F. 441 electrical code, 2020 edition, all feeder and subfeeder wiring 1 in commercial, industrial, public, and apartment buildings and 2 single-family and multifamily dwellings shall be installed in 3 either rigid metal conduit, electrical metallic tubing, or 4 polyvinyl chloride, or in special cases as determined by the 5 inspector. 6 17. Exposed work in unfinished basements and crawl 7 spaces. With respect to section 334.15(C) of the national 8 electrical code, 2020 edition, all basement wiring from floor 9 level to the underside of the floor joist must be installed 10 in a conduit, either rigid or thin wall. Eighteen inches of 11 nonmetallic cable in basements are permitted where receptacles 12 are fed from basement junction boxes. Finished rooms in the 13 basement may be wired in the type of wiring used throughout 14 the house providing it is concealed before occupancy and final 15 inspection. All exposed wires in garages and outbuildings 16 shall be installed in conduit. Such conduit shall be parallel 17 with walls and ceiling. 18 18. Switches and circuit breakers. With respect to section 19 404.8(A) of the national electrical code, 2020 edition, 20 switches and circuit breakers used as switches installed 21 outdoors shall be installed no lower than thirty inches from 22 the floor or finished grade, measured from the bottom of the 23 panel, and include service panels and meter bases. 24 19. Replacement of receptacles. In lieu of the requirements 25 of the first sentence of section 406.4(D)(4) of the national 26 electrical code, 2020 edition, where a receptacle outlet 27 is located in any areas specified in section 210.12(B) of 28 the national electrical code, 2020 edition, a replacement 29 receptacle at this outlet shall be one listed in section 30 406.4(D)(4) of the national electrical code, 2020 edition. 31 20. Receptacles in damp or wet locations. In lieu of the 32 requirements in the first sentence of section 406.9(C) of the 33 national electrical code, 2020 edition, receptacles shall not 34 be installed directly over a bathtub or shower. 35 -7- LSB 2312XS (3) 90 ss/rn 7/ 11
S.F. 441 21. Optional standby systems. With respect to the 1 requirements of article 702 of the national electrical code, 2 2020 edition, fixed and portable emergency standby generators 3 shall not be installed or operated in front or side yards 4 in residential districts or in other districts adjacent to a 5 residential district. However, the building official may allow 6 the use and installation of emergency standby generators in 7 side yards when installation is not feasible in the required 8 rear yard and the property owner takes reasonable steps to 9 buffer the noise created by the unit through vegetation, 10 enclosure of the generator, adding additional mufflers, or 11 other means. The determination of acceptable buffering is at 12 the sole discretion of the building official. 13 Sec. 3. Section 103.6, subsection 1, paragraph a, Code 2023, 14 is amended by striking the paragraph. 15 Sec. 4. Section 103.6, subsection 2, Code 2023, is amended 16 to read as follows: 17 2. The board may, in its discretion, revoke, suspend, or 18 refuse to renew any license granted pursuant to this chapter 19 when the licensee violates any provision of the national 20 electrical code as adopted pursuant to subsection 1 , this 21 chapter , or any rule adopted pursuant to this chapter . 22 Sec. 5. Section 103.10, subsection 2, Code 2023, is amended 23 to read as follows: 24 2. In addition, an applicant shall meet examination 25 criteria based upon the most recent national electrical code 26 adopted pursuant to section 103.6 and upon electrical theory, 27 as determined by the board. 28 Sec. 6. Section 103.12, subsection 2, Code 2023, is amended 29 to read as follows: 30 2. In addition, an applicant shall meet examination 31 criteria based upon the most recent national electrical code 32 adopted pursuant to section 103.6 and upon electrical theory, 33 as determined by the board. 34 Sec. 7. Section 103.18, Code 2023, is amended to read as 35 -8- LSB 2312XS (3) 90 ss/rn 8/ 11
S.F. 441 follows: 1 103.18 License renewal —— continuing education. 2 In order to renew a class A master electrician, class B 3 master electrician, class A journeyman electrician, or class B 4 journeyman electrician license issued pursuant to this chapter , 5 the licensee shall be required to complete eighteen contact 6 hours of continuing education courses approved by the board 7 during the three-year period for which a license is granted. 8 The contact hours shall include a minimum of six contact hours 9 studying the national electrical code described in section 10 103.6 , and the remaining contact hours may include study of 11 electrical circuit theory, blueprint reading, transformer and 12 motor theory, electrical circuits and devices, control systems, 13 programmable controllers, and microcomputers or any other study 14 of electrical-related material that is approved by the board. 15 Any additional hours studying the national electrical code 16 shall be acceptable. For purposes of this section , “contact 17 hour” means fifty minutes of classroom attendance at an approved 18 course under a qualified instructor approved by the board. 19 Sec. 8. Section 103.26, Code 2023, is amended to read as 20 follows: 21 103.26 Condemnation —— disconnection —— opportunity to 22 correct noncompliance. 23 If the inspector finds that any installation or portion of 24 an installation is not in compliance with accepted standards 25 of construction for health safety and property safety, based 26 upon minimum standards set forth in the local electrical code 27 or the national electrical code adopted by the board pursuant 28 to section 103.6 , the inspector shall by written order condemn 29 the installation or noncomplying portion or order service to 30 such installation disconnected and shall send a copy of such 31 order to the board, the state fire marshal, and the electrical 32 utility supplying power involved. If the installation or the 33 noncomplying portion is such as to seriously and proximately 34 endanger human health or property, the order of the inspector 35 -9- LSB 2312XS (3) 90 ss/rn 9/ 11
S.F. 441 when approved by the inspector’s supervisor shall require 1 immediate condemnation and disconnection by the applicant. In 2 all other cases, the order of the inspector shall establish a 3 reasonable period of time for the installation to be brought 4 into compliance with accepted standards of construction for 5 health safety and property safety prior to the effective date 6 established in such order for condemnation or disconnection. 7 Sec. 9. Section 103.29, subsection 5, Code 2023, is amended 8 to read as follows: 9 5. A political subdivision that performs electrical 10 inspections shall act as the authority having jurisdiction 11 for electrical inspections and for amending the national 12 electrical code adopted by the board pursuant to section 13 103.6 for work performed within the jurisdictional limits of 14 the political subdivision, provided those inspections and 15 amendments conform to the requirements of this chapter . Any 16 action by a political subdivision with respect to amendments 17 to the national electrical code shall be filed with the board 18 prior to enforcement by the political subdivision, and shall 19 not be less stringent than the minimum standards established by 20 the board by rule. 21 Sec. 10. Section 103.31, subsections 3 and 4, Code 2023, are 22 amended to read as follows: 23 3. State inspection procedures and policies shall be 24 established by the board. The state fire marshal, or the state 25 fire marshal’s designee, shall enforce the procedures and 26 policies, and enforce the provisions of the national electrical 27 code adopted by the board . 28 4. Except when an inspection reveals that an installation or 29 portion of an installation is not in compliance with accepted 30 standards of construction for health safety and property 31 safety, based upon minimum standards set forth in the local 32 electrical code or the national electrical code adopted by 33 the board pursuant to section 103.6 , such that an order of 34 condemnation or disconnection is warranted pursuant to section 35 -10- LSB 2312XS (3) 90 ss/rn 10/ 11
S.F. 441 103.26 , an inspector shall not add to, modify, or amend a 1 construction plan as originally approved by the state fire 2 marshal or the state building code commissioner in the course 3 of conducting an inspection. 4 EXPLANATION 5 The inclusion of this explanation does not constitute agreement with 6 the explanation’s substance by the members of the general assembly. 7 This bill relates to the state electrical code. The bill 8 adopts certain provisions of the national electrical code, 2020 9 edition, with amendments, as the state electrical code. The 10 bill strikes the ability of the national electrical examining 11 board to adopt and amend a version of the national electrical 12 code. The bill also makes conforming changes. 13 -11- LSB 2312XS (3) 90 ss/rn 11/ 11
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