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Senate File 441 - IntroducedA Bill ForAn Act 1relating to the national electrical code.
2BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA:
1 Section 1. Section 103.1, Code 2023, is amended by adding
2the following new subsection:
3 NEW SUBSECTION. 10A. “National electrical code” means
4the national electrical code, 2020 edition, published by the
5national fire protection association, as modified by section
6103.1B, and excluding sections 210.8(F) and 230.67 of the
7national electrical code.
8 Sec. 2. NEW SECTION. 103.1B National electrical code —
9alterations.
101. Definitions. The definition of “accessible, readily” in
11article 100 of the national electrical code, 2020 edition, is
12amended to include access to motors for hot spas and similar
13devices to be made readily accessible by means of a door on
14hinges or the equivalent.
152. Ground-fault circuit-interrupter protection for
16personnel. Section 210.8 of the national electrical code, 2020
17edition, is amended to include that locations not needed are
18dedicated for appliances and approved by the local authority
19having jurisdiction as long as it is a single yoke outlet.
203. Dwelling units. The first sentence of the first
21paragraph of section 210.8(A) of the national electrical
22code, 2020 edition, is amended to provide that all one
23hundred twenty-five volt, single-phase, fifteen-ampere and
24twenty-ampere receptacles installed in the locations specified
25in sections 210.8(A)(1) through 210.8(A)(11) of the national
26electrical code, 2020 edition, and supplied by single-phase
27branch circuits rated one hundred fifty volts or less to
28ground shall have ground-fault circuit-interrupter protection
29for personnel. In lieu of basements, section 210.8(A) of
30the national electrical code, 2020 edition, shall apply to
31unfinished portions or areas of the basement not intended as
32habitable rooms.
334. Receptacle outlets in bedroom. Section 210.12(A) of
34the national electrical code, 2020 edition, is deleted, and
35the following means of protection for receptacle outlets in
-1-1bedrooms are adopted:
2a. A listed combination-type arc-fault circuit interrupter,
3installed to provide protection of the entire branch circuit.
4b. A listed branch or feeder type arc-fault circuit
5interrupter installed at the origin of the branch-circuit in
6combination with a listed outlet branch-circuit type arc-fault
7circuit interrupter installed at the first outlet box on the
8branch circuit. The first outlet box in the branch circuit
9shall be marked to indicate that it is the first outlet of the
10circuit.
11c. A listed supplemental arc protection circuit breaker
12installed at the origin of the branch circuit in combination
13with a listed outlet branch-circuit type arc-fault circuit
14interrupter installed at the first outlet box on the branch
15circuit where all of the following conditions are met:
16(1) The branch-circuit wiring shall be continuous from the
17branch-circuit overcurrent device to the outlet branch-circuit
18arc-fault circuit interrupter.
19(2) The maximum length of the branch-circuit wiring from
20the branch-circuit overcurrent device to the first outlet
21shall not exceed fifteen and two-tenths meters or fifty feet
22for a fourteen American wire gauge conductor or twenty-one and
23three-tenths meters or seventy feet for a twelve American wire
24gauge conductor.
25(3) The first outlet box in the branch circuit shall be
26marked to indicate that it is the first outlet of the circuit.
27d. A listed outlet branch-circuit type arc-fault circuit
28interrupter installed at the first outlet on the branch
29circuit in combination with a listed branch-circuit overcurrent
30protective device where all of the following conditions are
31met:
32(1) The branch-circuit wiring shall be continuous from the
33branch-circuit overcurrent device to the outlet branch-circuit
34arc-fault circuit interrupter.
35(2) The maximum length of the branch-circuit wiring from
-2-1the branch-circuit overcurrent device to the first outlet
2shall not exceed fifteen and two-tenths meters or fifty feet
3for a fourteen American wire gauge conductor or twenty-one and
4three-tenths meters or seventy feet for a twelve American wire
5gauge conductor.
6(3) The first outlet box in the branch circuit shall be
7marked to indicate that it is the first outlet of the circuit.
8(4) The combination of the branch-circuit overcurrent
9device and outlet branch-circuit arc-fault circuit interrupter
10shall be identified as meeting the requirements for a system
11combination-type arc-fault circuit interrupter and shall be
12listed as such.
13e. If RMC, IMC, EMT, type MC, or steel-armored type AC
14cables meeting the requirements of section 250.118 of the
15national electrical code, 2020 edition, metal wire-ways, metal
16auxiliary gutters, and metal outlet and junction boxes are
17installed for the portion of the branch circuit between the
18branch-circuit overcurrent device and the first outlet, it
19shall be permitted to install a listed outlet branch-circuit
20type arc-fault circuit interrupter at the first outlet to
21provide protection for the remaining portion of the branch
22circuit.
23f. Where a listed metal or nonmetallic conduit or tubing or
24type MC cable is encased in not less than fifty millimeters or
25two inches of concrete for the portion of the branch circuit
26between the branch-circuit overcurrent device and the first
27outlet, it shall be permitted to install a listed outlet
28branch-circuit type arc-fault circuit interrupter at the first
29outlet to provide protection for the remaining portion of the
30branch circuit.
31g. Where an individual branch circuit to a fire alarm system
32installed in accordance with 760.41(B) or 760.121(B) of the
33national electrical code, 2020 edition, is installed in RMC,
34IMC, EMT, or steel-sheathed cable, type AC or type MC, meeting
35the requirements of 250.118 of the national electrical code,
-3-12020 edition, with metal outlet and junction boxes, arc-fault
2circuit interrupter protection may be omitted.
35. Guest rooms and guest suites. In lieu of the
4requirements of section 210.12(C) of the national electrical
5code, 2020 edition, all one hundred twenty volt, single-phase,
6fifteen-ampere and twenty-ampere branch circuits supplying
7outlets and devices installed in guest rooms and guest suites
8of hotels and motels shall be protected by any of the means
9described in subsection 4, paragraphs “a” through “f”.
106. Branch circuit extensions or modifications. In lieu
11of the requirements of section 210.12(D) of the national
12electrical code, 2020 edition, in any of the areas specified
13in section 210.12(B) of the national electrical code, 2020
14edition, where branch-circuit wiring is modified, replaced,
15or extended, the branch circuit shall be protected by one of
16the following, except that arc-fault circuit interruption
17protection shall not be required where the extension of the
18existing conductors is not more than one and eight-tenths
19meters or six feet and does not include any additional outlets
20or devices:
21a. A listed combination-type arc-fault circuit interrupter
22located at the origin of the branch circuit.
23b. A listed outlet branch-circuit type arc-fault circuit
24interrupter located at the first receptacle outlet of the
25existing branch circuit.
267. Island countertop spacing. With respect to section
27210.52(C)(2) of the national electrical code, 2020 edition, a
28length greater than six feet needs two outlets, and then every
29four feet, if there is a break in the countertop, two outlets
30are needed, one on each side of the break.
318. Dwelling united receptacle outlets in bathrooms. With
32respect to section 210.52(D) of the national electrical code,
332020 edition, no outlet, switch, or fixture shall be installed
34within three feet of a tub or shower as measured from the tub
35surround horizontally, unless protected by a ground-fault
-4-1circuit interrupter before the device.
29. Residential circuit calculations. With respect to
3article 220 of the national electrical code, 2020 edition, the
4following calculations shall apply for residential circuits:
5a. For lighting outlets, ten per circuit, unless approved by
6the authority having jurisdiction.
7b. For convenience outlets in general duplex receptacles,
8ten per circuit.
9c. For convenience outlets in a kitchen, two per circuit.
10Receptacles on the same circuit shall not service the same area
11of the countertop.
1210. Wiring methods for one thousand volts, nominal, or
13less. Sections one, two, seven, and fourteen of section 230.43
14of the national electrical code, 2020 edition, are deleted.
1511. Service equipment — disconnecting means. With
16respect to section 230.70(A) of the national electrical code,
172020 edition, any nonfused or unprotected service entrance
18conductors entering a home or business extending over ten
19feet from the point of entrance into the building require a
20disconnect to be installed on the building exterior.
2112. Feeder taps. With respect to section 240.21(B) of the
22national electrical code, 2020 edition, no taps or splices
23shall be allowed on feeders or subfeeders unless approved by
24the local authority having jurisdiction.
2513. Cables and raceways installed in shallow grooves. With
26respect to section 300.4(F) of the national electrical code,
272020 edition, all connections which use the EMT conduit,
28flexible metallic tubing, sealtight metallic conduit, et
29cetera, shall utilize insulated throats.
3014. Fittings. With respect to section 300.4(G) of the
31national electrical code, 2020 edition, all connections which
32use the EMT conduit, flexible metallic tubing, sealtight
33metallic conduit, et cetera, shall utilize insulated throats.
3415. Conductors. In lieu of the requirements of section
35310.3 of the national electrical code, 2020 edition,
-5-1conductors, whether solid or stranded, shall be no smaller than
2number twelve copper or number ten aluminum or copper-clad
3aluminum except for the following:
4a. Flexible cords as permitted by section 400.12 of the
5national electrical code, 2020 edition.
6b. Fixture wire as permitted by section 402.6 of the
7national electrical code, 2020 edition.
8c. Fractional horsepower motors as permitted by section
9430.22(F) of the national electrical code, 2020 edition.
10d. Cranes and hoists as permitted by section 610.14 of the
11national electrical code, 2020 edition.
12e. Elevator control and signaling circuits as permitted by
13section 620.12 of the national electrical code, 2020 edition.
14f. Class one, two, and three circuits as permitted by
15sections 725.27(A) or 725.82(B) of the national electrical
16code, 2020 edition.
17g. Fire-protective signaling circuits as permitted by
18section 760.27(A) or 760.82(B), or the exception to section
19760.51 of the national electrical code, 2020 edition.
20h. For type V cables, minimum conductor sizes are as
21follows:
22(1) Number twelve for one thousand two hundred volt rating.
23(2) Number ten for three thousand volt rating.
24(3) Number eight for four thousand volt rating.
25i. Motor control circuits as permitted by section 430.72 of
26the national electrical code, 2020 edition.
27j. Control and instrumentation circuits as permitted by
28section 727.6 of the national electrical code, 2020 edition.
29k. Electric signs and outline lighting as permitted in
30sections 600.31(B) and 600.32(B) of the national electrical
31code, 2020 edition.
32l. Smoke detector circuits in all occupancies, which may use
33number fourteen wire.
3416. Permitted uses for nonmetallic-sheathed cable. With
35respect to the requirements of section 334.10 of the national
-6-1electrical code, 2020 edition, all feeder and subfeeder wiring
2in commercial, industrial, public, and apartment buildings and
3single-family and multifamily dwellings shall be installed in
4either rigid metal conduit, electrical metallic tubing, or
5polyvinyl chloride, or in special cases as determined by the
6inspector.
717. Exposed work in unfinished basements and crawl
8spaces. With respect to section 334.15(C) of the national
9electrical code, 2020 edition, all basement wiring from floor
10level to the underside of the floor joist must be installed
11in a conduit, either rigid or thin wall. Eighteen inches of
12nonmetallic cable in basements are permitted where receptacles
13are fed from basement junction boxes. Finished rooms in the
14basement may be wired in the type of wiring used throughout
15the house providing it is concealed before occupancy and final
16inspection. All exposed wires in garages and outbuildings
17shall be installed in conduit. Such conduit shall be parallel
18with walls and ceiling.
1918. Switches and circuit breakers. With respect to section
20404.8(A) of the national electrical code, 2020 edition,
21switches and circuit breakers used as switches installed
22outdoors shall be installed no lower than thirty inches from
23the floor or finished grade, measured from the bottom of the
24panel, and include service panels and meter bases.
2519. Replacement of receptacles. In lieu of the requirements
26of the first sentence of section 406.4(D)(4) of the national
27electrical code, 2020 edition, where a receptacle outlet
28is located in any areas specified in section 210.12(B) of
29the national electrical code, 2020 edition, a replacement
30receptacle at this outlet shall be one listed in section
31406.4(D)(4) of the national electrical code, 2020 edition.
3220. Receptacles in damp or wet locations. In lieu of the
33requirements in the first sentence of section 406.9(C) of the
34national electrical code, 2020 edition, receptacles shall not
35be installed directly over a bathtub or shower.
-7- 121. Optional standby systems. With respect to the
2requirements of article 702 of the national electrical code,
32020 edition, fixed and portable emergency standby generators
4shall not be installed or operated in front or side yards
5in residential districts or in other districts adjacent to a
6residential district. However, the building official may allow
7the use and installation of emergency standby generators in
8side yards when installation is not feasible in the required
9rear yard and the property owner takes reasonable steps to
10buffer the noise created by the unit through vegetation,
11enclosure of the generator, adding additional mufflers, or
12other means. The determination of acceptable buffering is at
13the sole discretion of the building official.
14 Sec. 3. Section 103.6, subsection 1, paragraph a, Code 2023,
15is amended by striking the paragraph.
16 Sec. 4. Section 103.6, subsection 2, Code 2023, is amended
17to read as follows:
182. The board may, in its discretion, revoke, suspend, or
19refuse to renew any license granted pursuant to this chapter
20when the licensee violates any provision of the national
21electrical code as adopted pursuant to subsection 1, this
22chapter, or any rule adopted pursuant to this chapter.
23 Sec. 5. Section 103.10, subsection 2, Code 2023, is amended
24to read as follows:
252. In addition, an applicant shall meet examination
26criteria based upon the most recent national electrical code
27adopted pursuant to section 103.6 and upon electrical theory,
28as determined by the board.
29 Sec. 6. Section 103.12, subsection 2, Code 2023, is amended
30to read as follows:
312. In addition, an applicant shall meet examination
32criteria based upon the most recent national electrical code
33adopted pursuant to section 103.6 and upon electrical theory,
34as determined by the board.
35 Sec. 7. Section 103.18, Code 2023, is amended to read as
-8-1follows:
2103.18 License renewal — continuing education.
3In order to renew a class A master electrician, class B
4master electrician, class A journeyman electrician, or class B
5journeyman electrician license issued pursuant to this chapter,
6the licensee shall be required to complete eighteen contact
7hours of continuing education courses approved by the board
8during the three-year period for which a license is granted.
9The contact hours shall include a minimum of six contact hours
10studying the national electrical code described in section
11103.6, and the remaining contact hours may include study of
12electrical circuit theory, blueprint reading, transformer and
13motor theory, electrical circuits and devices, control systems,
14programmable controllers, and microcomputers or any other study
15of electrical-related material that is approved by the board.
16Any additional hours studying the national electrical code
17shall be acceptable. For purposes of this section, “contact
18hour” means fifty minutes of classroom attendance at an approved
19course under a qualified instructor approved by the board.
20 Sec. 8. Section 103.26, Code 2023, is amended to read as
21follows:
22103.26 Condemnation — disconnection — opportunity to
23correct noncompliance.
24If the inspector finds that any installation or portion of
25an installation is not in compliance with accepted standards
26of construction for health safety and property safety, based
27upon minimum standards set forth in the local electrical code
28or the national electrical code adopted by the board pursuant
29to section 103.6, the inspector shall by written order condemn
30the installation or noncomplying portion or order service to
31such installation disconnected and shall send a copy of such
32order to the board, the state fire marshal, and the electrical
33utility supplying power involved. If the installation or the
34noncomplying portion is such as to seriously and proximately
35endanger human health or property, the order of the inspector
-9-1when approved by the inspector’s supervisor shall require
2immediate condemnation and disconnection by the applicant. In
3all other cases, the order of the inspector shall establish a
4reasonable period of time for the installation to be brought
5into compliance with accepted standards of construction for
6health safety and property safety prior to the effective date
7established in such order for condemnation or disconnection.
8 Sec. 9. Section 103.29, subsection 5, Code 2023, is amended
9to read as follows:
105. A political subdivision that performs electrical
11inspections shall act as the authority having jurisdiction
12for electrical inspections and for amending the national
13electrical code adopted by the board pursuant to section
14103.6 for work performed within the jurisdictional limits of
15the political subdivision, provided those inspections and
16amendments conform to the requirements of this chapter. Any
17action by a political subdivision with respect to amendments
18to the national electrical code shall be filed with the board
19prior to enforcement by the political subdivision, and shall
20not be less stringent than the minimum standards established by
21the board by rule.
22 Sec. 10. Section 103.31, subsections 3 and 4, Code 2023, are
23amended to read as follows:
243. State inspection procedures and policies shall be
25established by the board. The state fire marshal, or the state
26fire marshal’s designee, shall enforce the procedures and
27policies, and enforce the provisions of the national electrical
28code adopted by the board.
294. Except when an inspection reveals that an installation or
30portion of an installation is not in compliance with accepted
31standards of construction for health safety and property
32safety, based upon minimum standards set forth in the local
33electrical code or the national electrical code adopted by
34the board pursuant to section 103.6, such that an order of
35condemnation or disconnection is warranted pursuant to section
-10-1103.26, an inspector shall not add to, modify, or amend a
2construction plan as originally approved by the state fire
3marshal or the state building code commissioner in the course
4of conducting an inspection.
5EXPLANATION
6The inclusion of this explanation does not constitute agreement with
7the explanation’s substance by the members of the general assembly.
8This bill relates to the state electrical code. The bill
9adopts certain provisions of the national electrical code, 2020
10edition, with amendments, as the state electrical code. The
11bill strikes the ability of the national electrical examining
12board to adopt and amend a version of the national electrical
13code. The bill also makes conforming changes.
-11-ss/rn
2BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA:
1 Section 1. Section 103.1, Code 2023, is amended by adding
2the following new subsection:
3 NEW SUBSECTION. 10A. “National electrical code” means
4the national electrical code, 2020 edition, published by the
5national fire protection association, as modified by section
6103.1B, and excluding sections 210.8(F) and 230.67 of the
7national electrical code.
8 Sec. 2. NEW SECTION. 103.1B National electrical code —
9alterations.
101. Definitions. The definition of “accessible, readily” in
11article 100 of the national electrical code, 2020 edition, is
12amended to include access to motors for hot spas and similar
13devices to be made readily accessible by means of a door on
14hinges or the equivalent.
152. Ground-fault circuit-interrupter protection for
16personnel. Section 210.8 of the national electrical code, 2020
17edition, is amended to include that locations not needed are
18dedicated for appliances and approved by the local authority
19having jurisdiction as long as it is a single yoke outlet.
203. Dwelling units. The first sentence of the first
21paragraph of section 210.8(A) of the national electrical
22code, 2020 edition, is amended to provide that all one
23hundred twenty-five volt, single-phase, fifteen-ampere and
24twenty-ampere receptacles installed in the locations specified
25in sections 210.8(A)(1) through 210.8(A)(11) of the national
26electrical code, 2020 edition, and supplied by single-phase
27branch circuits rated one hundred fifty volts or less to
28ground shall have ground-fault circuit-interrupter protection
29for personnel. In lieu of basements, section 210.8(A) of
30the national electrical code, 2020 edition, shall apply to
31unfinished portions or areas of the basement not intended as
32habitable rooms.
334. Receptacle outlets in bedroom. Section 210.12(A) of
34the national electrical code, 2020 edition, is deleted, and
35the following means of protection for receptacle outlets in
-1-1bedrooms are adopted:
2a. A listed combination-type arc-fault circuit interrupter,
3installed to provide protection of the entire branch circuit.
4b. A listed branch or feeder type arc-fault circuit
5interrupter installed at the origin of the branch-circuit in
6combination with a listed outlet branch-circuit type arc-fault
7circuit interrupter installed at the first outlet box on the
8branch circuit. The first outlet box in the branch circuit
9shall be marked to indicate that it is the first outlet of the
10circuit.
11c. A listed supplemental arc protection circuit breaker
12installed at the origin of the branch circuit in combination
13with a listed outlet branch-circuit type arc-fault circuit
14interrupter installed at the first outlet box on the branch
15circuit where all of the following conditions are met:
16(1) The branch-circuit wiring shall be continuous from the
17branch-circuit overcurrent device to the outlet branch-circuit
18arc-fault circuit interrupter.
19(2) The maximum length of the branch-circuit wiring from
20the branch-circuit overcurrent device to the first outlet
21shall not exceed fifteen and two-tenths meters or fifty feet
22for a fourteen American wire gauge conductor or twenty-one and
23three-tenths meters or seventy feet for a twelve American wire
24gauge conductor.
25(3) The first outlet box in the branch circuit shall be
26marked to indicate that it is the first outlet of the circuit.
27d. A listed outlet branch-circuit type arc-fault circuit
28interrupter installed at the first outlet on the branch
29circuit in combination with a listed branch-circuit overcurrent
30protective device where all of the following conditions are
31met:
32(1) The branch-circuit wiring shall be continuous from the
33branch-circuit overcurrent device to the outlet branch-circuit
34arc-fault circuit interrupter.
35(2) The maximum length of the branch-circuit wiring from
-2-1the branch-circuit overcurrent device to the first outlet
2shall not exceed fifteen and two-tenths meters or fifty feet
3for a fourteen American wire gauge conductor or twenty-one and
4three-tenths meters or seventy feet for a twelve American wire
5gauge conductor.
6(3) The first outlet box in the branch circuit shall be
7marked to indicate that it is the first outlet of the circuit.
8(4) The combination of the branch-circuit overcurrent
9device and outlet branch-circuit arc-fault circuit interrupter
10shall be identified as meeting the requirements for a system
11combination-type arc-fault circuit interrupter and shall be
12listed as such.
13e. If RMC, IMC, EMT, type MC, or steel-armored type AC
14cables meeting the requirements of section 250.118 of the
15national electrical code, 2020 edition, metal wire-ways, metal
16auxiliary gutters, and metal outlet and junction boxes are
17installed for the portion of the branch circuit between the
18branch-circuit overcurrent device and the first outlet, it
19shall be permitted to install a listed outlet branch-circuit
20type arc-fault circuit interrupter at the first outlet to
21provide protection for the remaining portion of the branch
22circuit.
23f. Where a listed metal or nonmetallic conduit or tubing or
24type MC cable is encased in not less than fifty millimeters or
25two inches of concrete for the portion of the branch circuit
26between the branch-circuit overcurrent device and the first
27outlet, it shall be permitted to install a listed outlet
28branch-circuit type arc-fault circuit interrupter at the first
29outlet to provide protection for the remaining portion of the
30branch circuit.
31g. Where an individual branch circuit to a fire alarm system
32installed in accordance with 760.41(B) or 760.121(B) of the
33national electrical code, 2020 edition, is installed in RMC,
34IMC, EMT, or steel-sheathed cable, type AC or type MC, meeting
35the requirements of 250.118 of the national electrical code,
-3-12020 edition, with metal outlet and junction boxes, arc-fault
2circuit interrupter protection may be omitted.
35. Guest rooms and guest suites. In lieu of the
4requirements of section 210.12(C) of the national electrical
5code, 2020 edition, all one hundred twenty volt, single-phase,
6fifteen-ampere and twenty-ampere branch circuits supplying
7outlets and devices installed in guest rooms and guest suites
8of hotels and motels shall be protected by any of the means
9described in subsection 4, paragraphs “a” through “f”.
106. Branch circuit extensions or modifications. In lieu
11of the requirements of section 210.12(D) of the national
12electrical code, 2020 edition, in any of the areas specified
13in section 210.12(B) of the national electrical code, 2020
14edition, where branch-circuit wiring is modified, replaced,
15or extended, the branch circuit shall be protected by one of
16the following, except that arc-fault circuit interruption
17protection shall not be required where the extension of the
18existing conductors is not more than one and eight-tenths
19meters or six feet and does not include any additional outlets
20or devices:
21a. A listed combination-type arc-fault circuit interrupter
22located at the origin of the branch circuit.
23b. A listed outlet branch-circuit type arc-fault circuit
24interrupter located at the first receptacle outlet of the
25existing branch circuit.
267. Island countertop spacing. With respect to section
27210.52(C)(2) of the national electrical code, 2020 edition, a
28length greater than six feet needs two outlets, and then every
29four feet, if there is a break in the countertop, two outlets
30are needed, one on each side of the break.
318. Dwelling united receptacle outlets in bathrooms. With
32respect to section 210.52(D) of the national electrical code,
332020 edition, no outlet, switch, or fixture shall be installed
34within three feet of a tub or shower as measured from the tub
35surround horizontally, unless protected by a ground-fault
-4-1circuit interrupter before the device.
29. Residential circuit calculations. With respect to
3article 220 of the national electrical code, 2020 edition, the
4following calculations shall apply for residential circuits:
5a. For lighting outlets, ten per circuit, unless approved by
6the authority having jurisdiction.
7b. For convenience outlets in general duplex receptacles,
8ten per circuit.
9c. For convenience outlets in a kitchen, two per circuit.
10Receptacles on the same circuit shall not service the same area
11of the countertop.
1210. Wiring methods for one thousand volts, nominal, or
13less. Sections one, two, seven, and fourteen of section 230.43
14of the national electrical code, 2020 edition, are deleted.
1511. Service equipment — disconnecting means. With
16respect to section 230.70(A) of the national electrical code,
172020 edition, any nonfused or unprotected service entrance
18conductors entering a home or business extending over ten
19feet from the point of entrance into the building require a
20disconnect to be installed on the building exterior.
2112. Feeder taps. With respect to section 240.21(B) of the
22national electrical code, 2020 edition, no taps or splices
23shall be allowed on feeders or subfeeders unless approved by
24the local authority having jurisdiction.
2513. Cables and raceways installed in shallow grooves. With
26respect to section 300.4(F) of the national electrical code,
272020 edition, all connections which use the EMT conduit,
28flexible metallic tubing, sealtight metallic conduit, et
29cetera, shall utilize insulated throats.
3014. Fittings. With respect to section 300.4(G) of the
31national electrical code, 2020 edition, all connections which
32use the EMT conduit, flexible metallic tubing, sealtight
33metallic conduit, et cetera, shall utilize insulated throats.
3415. Conductors. In lieu of the requirements of section
35310.3 of the national electrical code, 2020 edition,
-5-1conductors, whether solid or stranded, shall be no smaller than
2number twelve copper or number ten aluminum or copper-clad
3aluminum except for the following:
4a. Flexible cords as permitted by section 400.12 of the
5national electrical code, 2020 edition.
6b. Fixture wire as permitted by section 402.6 of the
7national electrical code, 2020 edition.
8c. Fractional horsepower motors as permitted by section
9430.22(F) of the national electrical code, 2020 edition.
10d. Cranes and hoists as permitted by section 610.14 of the
11national electrical code, 2020 edition.
12e. Elevator control and signaling circuits as permitted by
13section 620.12 of the national electrical code, 2020 edition.
14f. Class one, two, and three circuits as permitted by
15sections 725.27(A) or 725.82(B) of the national electrical
16code, 2020 edition.
17g. Fire-protective signaling circuits as permitted by
18section 760.27(A) or 760.82(B), or the exception to section
19760.51 of the national electrical code, 2020 edition.
20h. For type V cables, minimum conductor sizes are as
21follows:
22(1) Number twelve for one thousand two hundred volt rating.
23(2) Number ten for three thousand volt rating.
24(3) Number eight for four thousand volt rating.
25i. Motor control circuits as permitted by section 430.72 of
26the national electrical code, 2020 edition.
27j. Control and instrumentation circuits as permitted by
28section 727.6 of the national electrical code, 2020 edition.
29k. Electric signs and outline lighting as permitted in
30sections 600.31(B) and 600.32(B) of the national electrical
31code, 2020 edition.
32l. Smoke detector circuits in all occupancies, which may use
33number fourteen wire.
3416. Permitted uses for nonmetallic-sheathed cable. With
35respect to the requirements of section 334.10 of the national
-6-1electrical code, 2020 edition, all feeder and subfeeder wiring
2in commercial, industrial, public, and apartment buildings and
3single-family and multifamily dwellings shall be installed in
4either rigid metal conduit, electrical metallic tubing, or
5polyvinyl chloride, or in special cases as determined by the
6inspector.
717. Exposed work in unfinished basements and crawl
8spaces. With respect to section 334.15(C) of the national
9electrical code, 2020 edition, all basement wiring from floor
10level to the underside of the floor joist must be installed
11in a conduit, either rigid or thin wall. Eighteen inches of
12nonmetallic cable in basements are permitted where receptacles
13are fed from basement junction boxes. Finished rooms in the
14basement may be wired in the type of wiring used throughout
15the house providing it is concealed before occupancy and final
16inspection. All exposed wires in garages and outbuildings
17shall be installed in conduit. Such conduit shall be parallel
18with walls and ceiling.
1918. Switches and circuit breakers. With respect to section
20404.8(A) of the national electrical code, 2020 edition,
21switches and circuit breakers used as switches installed
22outdoors shall be installed no lower than thirty inches from
23the floor or finished grade, measured from the bottom of the
24panel, and include service panels and meter bases.
2519. Replacement of receptacles. In lieu of the requirements
26of the first sentence of section 406.4(D)(4) of the national
27electrical code, 2020 edition, where a receptacle outlet
28is located in any areas specified in section 210.12(B) of
29the national electrical code, 2020 edition, a replacement
30receptacle at this outlet shall be one listed in section
31406.4(D)(4) of the national electrical code, 2020 edition.
3220. Receptacles in damp or wet locations. In lieu of the
33requirements in the first sentence of section 406.9(C) of the
34national electrical code, 2020 edition, receptacles shall not
35be installed directly over a bathtub or shower.
-7- 121. Optional standby systems. With respect to the
2requirements of article 702 of the national electrical code,
32020 edition, fixed and portable emergency standby generators
4shall not be installed or operated in front or side yards
5in residential districts or in other districts adjacent to a
6residential district. However, the building official may allow
7the use and installation of emergency standby generators in
8side yards when installation is not feasible in the required
9rear yard and the property owner takes reasonable steps to
10buffer the noise created by the unit through vegetation,
11enclosure of the generator, adding additional mufflers, or
12other means. The determination of acceptable buffering is at
13the sole discretion of the building official.
14 Sec. 3. Section 103.6, subsection 1, paragraph a, Code 2023,
15is amended by striking the paragraph.
16 Sec. 4. Section 103.6, subsection 2, Code 2023, is amended
17to read as follows:
182. The board may, in its discretion, revoke, suspend, or
19refuse to renew any license granted pursuant to this chapter
20when the licensee violates any provision of the national
21electrical code as adopted pursuant to subsection 1, this
22chapter, or any rule adopted pursuant to this chapter.
23 Sec. 5. Section 103.10, subsection 2, Code 2023, is amended
24to read as follows:
252. In addition, an applicant shall meet examination
26criteria based upon the most recent national electrical code
27adopted pursuant to section 103.6 and upon electrical theory,
28as determined by the board.
29 Sec. 6. Section 103.12, subsection 2, Code 2023, is amended
30to read as follows:
312. In addition, an applicant shall meet examination
32criteria based upon the most recent national electrical code
33adopted pursuant to section 103.6 and upon electrical theory,
34as determined by the board.
35 Sec. 7. Section 103.18, Code 2023, is amended to read as
-8-1follows:
2103.18 License renewal — continuing education.
3In order to renew a class A master electrician, class B
4master electrician, class A journeyman electrician, or class B
5journeyman electrician license issued pursuant to this chapter,
6the licensee shall be required to complete eighteen contact
7hours of continuing education courses approved by the board
8during the three-year period for which a license is granted.
9The contact hours shall include a minimum of six contact hours
10studying the national electrical code described in section
11103.6, and the remaining contact hours may include study of
12electrical circuit theory, blueprint reading, transformer and
13motor theory, electrical circuits and devices, control systems,
14programmable controllers, and microcomputers or any other study
15of electrical-related material that is approved by the board.
16Any additional hours studying the national electrical code
17shall be acceptable. For purposes of this section, “contact
18hour” means fifty minutes of classroom attendance at an approved
19course under a qualified instructor approved by the board.
20 Sec. 8. Section 103.26, Code 2023, is amended to read as
21follows:
22103.26 Condemnation — disconnection — opportunity to
23correct noncompliance.
24If the inspector finds that any installation or portion of
25an installation is not in compliance with accepted standards
26of construction for health safety and property safety, based
27upon minimum standards set forth in the local electrical code
28or the national electrical code adopted by the board pursuant
29to section 103.6, the inspector shall by written order condemn
30the installation or noncomplying portion or order service to
31such installation disconnected and shall send a copy of such
32order to the board, the state fire marshal, and the electrical
33utility supplying power involved. If the installation or the
34noncomplying portion is such as to seriously and proximately
35endanger human health or property, the order of the inspector
-9-1when approved by the inspector’s supervisor shall require
2immediate condemnation and disconnection by the applicant. In
3all other cases, the order of the inspector shall establish a
4reasonable period of time for the installation to be brought
5into compliance with accepted standards of construction for
6health safety and property safety prior to the effective date
7established in such order for condemnation or disconnection.
8 Sec. 9. Section 103.29, subsection 5, Code 2023, is amended
9to read as follows:
105. A political subdivision that performs electrical
11inspections shall act as the authority having jurisdiction
12for electrical inspections and for amending the national
13electrical code adopted by the board pursuant to section
14103.6 for work performed within the jurisdictional limits of
15the political subdivision, provided those inspections and
16amendments conform to the requirements of this chapter. Any
17action by a political subdivision with respect to amendments
18to the national electrical code shall be filed with the board
19prior to enforcement by the political subdivision, and shall
20not be less stringent than the minimum standards established by
21the board by rule.
22 Sec. 10. Section 103.31, subsections 3 and 4, Code 2023, are
23amended to read as follows:
243. State inspection procedures and policies shall be
25established by the board. The state fire marshal, or the state
26fire marshal’s designee, shall enforce the procedures and
27policies, and enforce the provisions of the national electrical
28code adopted by the board.
294. Except when an inspection reveals that an installation or
30portion of an installation is not in compliance with accepted
31standards of construction for health safety and property
32safety, based upon minimum standards set forth in the local
33electrical code or the national electrical code adopted by
34the board pursuant to section 103.6, such that an order of
35condemnation or disconnection is warranted pursuant to section
-10-1103.26, an inspector shall not add to, modify, or amend a
2construction plan as originally approved by the state fire
3marshal or the state building code commissioner in the course
4of conducting an inspection.
5EXPLANATION
6The inclusion of this explanation does not constitute agreement with
7the explanation’s substance by the members of the general assembly.
8This bill relates to the state electrical code. The bill
9adopts certain provisions of the national electrical code, 2020
10edition, with amendments, as the state electrical code. The
11bill strikes the ability of the national electrical examining
12board to adopt and amend a version of the national electrical
13code. The bill also makes conforming changes.
-11-ss/rn