SECTION 1. All installations
of electrical equipment commencing on or after July 1, 2024 must comply with
the 2023 National Electrical Code as adopted by the Board in this Chapter, as
well as with all applicable statutes or rules of the State and this Board and
all applicable ordinances, orders, rules and regulations of local
municipalities.
SECTION 2. The
Board hereby adopts and incorporates into this chapter by reference the NFPA
standard 70, National Electrical Code (2023 edition), Copyright © 2022
National Fire Protection Association, subject to the following amendments and
exclusions:
1. The Board adopts Article
90.4(D) as amended below:
(D)
New
Products, Constructions or Materials. This Code may require new
products, constructions, or materials that may not yet be available at the time
the Code is adopted. In such event, the authority having jurisdiction may
permit the use of the products, constructions, or materials that comply with
the previous two (2) editions of this Code adopted by the
jurisdiction.
2. The
Board adopts Article 100, excepting the definition of Dormitory Unit, which the
Board adopts as amended below:
ARTICLE 100
Definitions . . .
Dormitory Unit. A building or a space in a
building in which group sleeping accommodations are provided for any number of
persons who are not members of the same family in one room, or a series of
closely associated rooms, under joint occupancy and single management, with or
without meals, but without individual cooking facilities. (CMP-2)
3. The Board adopts Article
210.8(A)(6) as amended below:
(A)
Dwelling Units. All 125-volt through 250-volt receptacles
installed in the following locations and supplied by single-phase branch
circuits raised 150 volts or less to ground shall have ground-fault
circuit-interrupter protection for personnel:
(6) Kitchens, except for those specific
appliances listed in 210.8(D)(8), (9) and (10).
4. The Board adopts Article 210.8 (B)(2) as
amended below:
(B)
Other than Dwelling
Units. All 125-volt through 250-volt receptacles supplied by
single-phase branch circuits rated 150 volts or less to ground, 50 amperes or
less, and all receptacles supplied by three-phrase branch circuits rated 150
volts or less to ground, 50 amperes or less, installed in the following
locations shall be provided with GFCI protection:
(2) Kitchens, except for those specific
appliances listed in 210.8(D)(8), (9) and (10).
5. The Board adopts Article
210.8(F) as amended below:
210.8
Ground-Fault Circuit-Interrupter Protection for Personnel . . .
(F)
Outdoor Outlets. For
dwellings, all outdoor outlets, other than those covered in 210.8(A), Exception
No. 1, including outlets installed in the following locations, and supplied by
single-phase branch circuits rated 150 volts or less to ground, 50 amperes or
less, shall be provided with GFCI protection.
(1) Garages that have floors located at or
below grade level
(2) Accessory
buildings
(3) Boathouses
If equipment supplied by an outlet covered under the
requirements of this section is replaced, the outlet shall be supplied with
GFCI protection.
Exception No. 1: GFCI protection shall not be required
on lighting outlets other than those covered in 210.8(C).
Exception No. 2: GFCI protection shall not be required
for listed HVAC equipment. This exception shall expire September 1,
2026.
Exception No. 3: GFCI protection shall not be required
for sewer pumps.
Exception No. 4: GFCI protection shall not be required
for water pumps.
6. The Board adopts Article 230.2(E) as
amended below:
230.2
Number of Services
. . .(E)
Identification.
Where a building or structure is supplied by more than one service, or any
combination of branch circuits, feeders, and services, a permanent plaque or
directory shall be installed at each service disconnect location and at each
outside electrical meter location denoting all other services, feeders, and
branch circuits supplying that building or structure and the area served by
each. See 225.37.
7. The Board adopts Article 230.85(B) as
amended below:
(B)
Disconnects.
Each disconnect shall be a service disconnect.
8. The Board adopts Article 334.10(3) as
amended below:
334.10
Uses Permitted. .
.(3) Other structures permitted to be
of Types III, IV, and V construction. In buildings or structures with interior
finished walls and/or ceilings, cables shall be concealed within walls, floors,
or ceilings that provide a thermal barrier of material that has at least a
15-minute finish rating as identified in listings of fire rated
assemblies.
9. The Board does not adopt Article
334.12(A)(2).
10. The Board adopts
Article 338.12(B)(1) and (2) as amended below:
338.12
Uses Not Permitted. . .
(B)
Underground Service-Entrance
Cable. Type USE cable shall not be used under the following conditions
or in the following locations:
(1) For
interior wiring
(2) For aboveground
installations except where USE cable emerges from the ground and is terminated
in an enclosure at an outdoor location and the cable is protected in accordance
with 300.5(D)
(3) As aerial cable
unless it is a multiconductor cable identified for use aboveground and
installed as messenger-supported wiring in accordance with 225.10 and Part II
of Article 396
Exception: This provision does not apply to USE
cable that is dual-rated for interior wiring.
11. The Board adopts
Article 400.12(4) as amended below:
400.12
Uses Not Permitted. Unless specifically permitted in 400.10,
flexible cords, flexible cables, cord sets, and power supply cords shall not be
used for the following:
(4) Where attached to
building surfaces
Exception to (4): Flexible cord and flexible cable
shall be permitted to be attached to building surfaces in accordance with
368.56(B) and 590.4. Flexible cord and cable shall also be permitted to have
one connection to the building surface for a suitable tension take-up device.
Length of the cord or cable from the supply termination to the take-up device
shall be limited to 6' (1.83 m). Strain relief cable grips shall be provided
for the cord or cable at the equipment terminations.
12. The Board adopts
Article 406.9(C) as amended below:
406.9
Receptacles in Damp or Wet Locations. . .
(C)
Bathtub and Shower Space.
Receptacles shall not be installed within or directly over a bathtub or shower
stall.
13.
The Board adopts Article 702.4(A)(2)(a) as amended below:
702.4
Capacity and Rating. . .
(A)
System Capacity. . .
(2)
Automatic Load Connection.
For other than single-family dwellings, if the connection of load is automatic,
an optional standby system shall comply with 702.4(A)(2)(a) or (A)(2)(b) in
accordance with Parts I through IV of Article 220 or by another approved
method.
(a)
Full Load. The
standby source shall be capable of supplying the full load that is
automatically connected.
SECTION 3. Copies of the
National Electrical Code, National Fire Protection
Association, standard #70 (2023 Edition) may be
purchased from:
National Fire Protection Association
1 Batterymarch Park, P.O. Box 9101
Quincy, MA 02269-9101
Telephone: 1-800-344-3555
www.nfpa.org
STATUTORY AUTHORITY: 32 M.R.S. §§1153 and 1153-A
