ZaneMeyers/zmVault
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

vault backup: 2025-10-23 16:50:03

Browse Source
This commit is contained in:
Zane Meyers
2025-10-23 16:50:03 -04:00
parent 0158208a10
commit ea092a3cf8
13 changed files with 2097 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nfpa-70_210_branch-circuits.md
+383 -2
View File
@@ -8,9 +8,9 @@ tags:
- status/incomplete
- topic/electrical
- type/media
title: NEC Article 210 Branch Circuits
title: "NEC Article 210: Branch Circuits"
---
# NEC Article 210 Branch Circuits
# NEC Article 210: Branch Circuits
## Part I. General Provisions
@@ -292,3 +292,384 @@ Branch circuits larger than 50 amperes
shall supply only nonlighting outlet loads.
<!-- TODO: TEXT OMITTED -->
## Part III. Required Outlets
### 210.50 Receptacle Outlets.
[[nfpa-70_100_definitions#Receptacle Outlet.|Receptacle outlets]]
shall be installed as specified in 210.52 through 210.65.
Informational Note:
See Informative Annex J for information regarding ADA accessibility design.
#### 210.50(A) Cord Pendants.
A [[nfpa-70_100_definitions#Cord Connector.|cord connector]]
that is supplied by a permanently connected cord pendant
shall be considered a receptacle outlet.
#### 210.50(B) Cord Connections.
A receptacle outlet shall be installed wherever flexible cords with attachment plugs are used.
Where flexible cords are permitted to be permanently connected,
receptacles shall be permitted to be omitted for such cords.
#### 210.50(C) Appliance Receptacle Outlets.
[[nfpa-70_100_definitions#Appliance.|Appliance]]
receptacle outlets installed in a [[nfpa-70_100_definitions#Dwelling Unit.|dwelling unit]]
for specific appliances, such as laundry equipment,
shall be installed within 1.8 m (6 ft) of the intended location of the appliance.
### 210.52 Dwelling Unit Receptacle Outlets.
This section provides requirements for 125-volt, 15- and 20-ampere receptacle outlets.
The receptacles required by this section
shall be in addition to any receptacle that is as follows:
1. Part of a luminaire or appliance, or
2. Controlled by a listed wall-mounted control device
in accordance with 210.70(A)(1), Exception No. 1, or
3. Located within cabinets or cupboards, or
4. Located more than 1.7 m (5 1⁄2 ft) above the floor
Permanently installed electric baseboard heaters
equipped with factory-installed receptacle outlets
or outlets provided as a separate assembly by the manufacturer
shall be permitted as the required outlet or outlets
for the wall space utilized by such permanently installed heaters.
Such receptacle outlets shall not be connected to the heater circuits.
Informational Note:
Listed baseboard heaters include instructions
that may not permit their installation below receptacle outlets.
#### 210.52(A) General Provisions.
In every kitchen, family room, dining room,
living room, parlor, library, den,
sunroom, bedroom, recreation room,
or similar room or area of dwelling units,
receptacle outlets shall be installed
in accordance with the general provisions
specified in 210.52(A)(1) through (A)(4).
##### 210.52(A)(1) Spacing.
Receptacles shall be installed such that no point
measured horizontally along the floor line of any wall space
is more than 1.8 m (6 ft) from a receptacle outlet.
##### 210.52(A)(2) Wall Space.
As used in this section, a wall space shall include the following:
1. Any space 600 mm (2 ft) or more in width
(including space measured around corners)
and unbroken along the floor line by doorways and similar openings,
fireplaces, and fixed cabinets that do not have countertops or similar work surfaces
2. The space occupied by fixed panels in walls, excluding sliding panels
3. The space afforded by fixed room dividers,
such as freestanding bar-type counters or railings
##### 210.52(A)(3) Floor Receptacles.
Receptacle outlets in or on floors
shall not be counted as part of the required number of receptacle outlets
unless located within 450 mm (18 in.) of the wall.
##### 210.52(A)(4) Countertop and Similar Work Surface Receptacle Outlets.
Receptacles installed for countertop and similar work surfaces as specified in 210.52(C)
shall not be considered as the receptacle outlets required by 210.52(A).
#### 210.52(B) Small Appliances.
##### 210.52(B)(1) Receptacle Outlets Served.
In the kitchen, pantry, breakfast room, dining room, or similar area of a dwelling unit,
the two or more 20-ampere small-appliance branch circuits required by 210.11(C)(1)
shall serve all wall and floor receptacle outlets covered by 210.52(A),
all countertop outlets covered by 210.52(C),
and receptacle outlets for refrigeration equipment.
Exception No. 1: In addition to the required receptacles specified by 210.52,
switched receptacles supplied from a general-purpose 15- or 20-ampere branch circuit
as required in 210.70(A)(1), Exception No. 1, shall be permitted.
Exception No. 2: In addition to the required receptacles specified by 210.52,
a receptacle outlet to serve a specific appliance
shall be permitted to be supplied from an individual branch circuit rated 15 amperes or greater.
##### 210.52(B)(2) No Other Outlets.
The two or more small-appliance branch circuits specified in 210.52(B)(1) shall have no other outlets.
Exception No. 1: A receptacle installed solely for the electrical supply to and support
of an electric clock in any of the rooms specified in 210.52(B)(1).
Exception No. 2: Receptacles installed to provide power for supplemental equipment and lighting
on gas-fired ranges, ovens, or counter-mounted cooking units.
##### 210.52(B)(3) Kitchen Receptacle Requirements.
Receptacles installed in a kitchen to serve countertop surfaces
shall be supplied by not fewer than two small-appliance branch circuits,
either or both of which shall also be permitted to supply receptacle outlets
in the same kitchen and in other rooms specified in 210.52(B)(1).
Additional small-appliance branch circuits
shall be permitted to supply receptacle outlets
in the kitchen and other rooms specified in 210.52(B)(1).
No small-appliance branch circuit shall serve more than one kitchen.
#### 210.52(C) Countertops and Work Surfaces.
In kitchens, pantries, breakfast rooms, dining rooms, and similar areas of dwelling units,
receptacle outlets for countertop and work surfaces that are 300 mm (12 in.) or wider
shall be installed in accordance with 210.52(C)(1) through (C)(3)
and shall not be considered as the receptacle outlets required by 210.52(A).
For the purposes of this section, where using multioutlet assemblies,
each 300 mm (12 in.) of multioutlet assembly containing two or more receptacles
installed in individual or continuous lengths
shall be considered to be one receptacle outlet.
##### 210.52(C)(1) Wall Spaces.
Receptacle outlets shall be installed
so that no point along the wall line is more than 600 mm (24 in.) measured horizontally
from a receptacle outlet in that space.
Exception:
Receptacle outlets shall not be required directly behind a range,
counter-mounted cooking unit, or sink
in the installation described in Figure 210.52(C)(1).
^210.52(C)(1), Exception
##### Figure 210.52(C)(1) Determination of Area Behind a Range, Counter-Mounted Cooking Unit, or Sink.
##### 210.52(C)(2) Island and Peninsular Countertops and Work Surfaces.
Receptacle outlets shall be installed in accordance with 210.52(C)(2)(a) and (C)(2)(b).
(a) At least one receptacle outlet shall be provided for the first 0.84 m (9 ft),
or fraction thereof, of the countertop or work surface.
A receptacle outlet shall be provided for every additional 1.7 m (18 ft),
or fraction thereof, of the countertop or work surface.
(b) At least one receptacle outlet shall be located
within 600 mm (2 ft) of the outer end
of a peninsular countertop or work surface.
Additional required receptacle outlets
shall be permitted to be located as determined
by the installer, designer, or building owner.
The location of the receptacle outlets
shall be in accordance with 210.52(C)(3).
A peninsular countertop shall be measured from the connected perpendicular wall.
##### 210.52(C)(3) Receptacle Outlet Location.
Receptacle outlets shall be located in one or more of the following:
1. On or above countertop or work surfaces:
On or above, but not more than 500 mm (20 in.) above,
the countertop or work surface.
2. In countertop or work surfaces:
Receptacle outlet assemblies listed for use in countertops or work surfaces
shall be permitted to be installed in countertops or work surfaces.
3. Below countertop or works surfaces:
Not more than 300 mm (12 in.) below the countertop or work surface.
Receptacles installed below a countertop or work surface
shall not be located where the countertop or work surface
extends more than 150 mm (6 in.) beyond its support base.
Receptacle outlets rendered not readily accessible
by appliances fastened in place, appliance garages, sinks,
or rangetops as covered in 210.52(C)(1), Exception,
or appliances occupying assigned spaces
shall not be considered as these required outlets.
Informational Note No. 1:
See 406.5(E) and 406.5(G) for installation of receptacles in countertops
and 406.5(F) and 406.5(G) for installation of receptacles in work surfaces.
See 380.10 for installation of multioutlet assemblies.
Informational Note No. 2:
See Annex J and ANSI/ICC A117.1-2009,
Standard on Accessible and Usable Buildings and Facilities.
#### 210.52(D) Bathrooms.
At least one receptacle outlet shall be installed in [[nfpa-70_100_definitions#Bathroom.|bathrooms]]
within 900 mm (3 ft) of the outside edge of each basin.
The receptacle outlet shall be located on a wall or partition
that is adjacent to the basin or basin countertop,
located on the countertop,
or installed on the side or face of the basin cabinet.
In no case shall the receptacle be located more than 300 mm (12 in.)
below the top of the basin or basin countertop.
Receptacle outlet assemblies listed for use in countertops
shall be permitted to be installed in the countertop.
Informational Note:
See 406.5(E) and 406.5(G) for requirements for installation of receptacles in countertops.
#### 210.52(E) Outdoor Outlets.
Outdoor receptacle outlets
shall be installed in accordance with 210.52(E)(1) through (E)(3).
Informational Note: See 210.8(A)(3).
##### 210.52(E)(1) One-Family and Two-Family Dwellings.
For a one-family dwelling
and each unit of a two-family dwelling that is at grade level,
at least one receptacle outlet readily accessible from grade
and not more than 2.0 m (6 1⁄2 ft) above grade level
shall be installed at the front and back of the dwelling.
##### 210.52(E)(2) Multifamily Dwellings.
For each dwelling unit of a multifamily dwelling
where the dwelling unit is located at grade level
and provided with individual exterior entrance/egress,
at least one receptacle outlet readily accessible from grade
and not more than 2.0 m (6 1⁄2 ft) above grade level shall be installed.
##### 210.52(E)(3) Balconies, Decks, and Porches.
Balconies, decks, and porches that are within 102 mm (4 in.) horizontally of the dwelling unit
shall have at least one receptacle outlet accessible from the balcony, deck, or porch.
The receptacle outlet shall not be located more than 2.0 m (6 1⁄2 ft)
above the balcony, deck, or porch walking surface.
#### 210.52(F) Laundry Areas.
In dwelling units, at least one receptacle outlet
shall be installed in areas designated for the installation of laundry equipment.
Exception No. 1:
A receptacle for laundry equipment
shall not be required in a dwelling unit of a multifamily building
where laundry facilities are provided on the premises
for use by all building occupants.
Exception No. 2:
A receptacle for laundry equipment
shall not be required in other than one-family dwellings
where laundry facilities are not to be installed or permitted.
#### 210.52(G) Basements, Garages, and Accessory Buildings.
For one and two-family dwellings, and multifamily dwellings,
at least one receptacle outlet shall be installed
in the areas specified in 210.52(G)(1) through (G)(3).
These receptacles shall be in addition to receptacles required for specific equipment.
##### 210.52(G)(1) Garages.
In each attached garage and in each detached garage with electric power,
at least one receptacle outlet shall be installed in each vehicle bay
and not more than 1.7 m (5 1⁄2 ft) above the floor.
Exception:
Garage spaces not attached to an individual dwelling unit of a multifamily dwelling
shall not require a receptacle outlet in each vehicle bay.
##### 210.52(G)(2) Accessory Buildings.
In each accessory building with electric power.
##### 210.52(G)(3) Basements.
In each separate unfinished portion of a basement.
#### 210.52(H) Hallways.
In dwelling units, hallways of 3.0 m (10 ft) or more in length shall have at least one receptacle outlet.
As used in this subsection,
the hallway length shall be considered the length along the centerline of the hallway without passing through a doorway.
#### 210.52(I) Foyers.
Foyers that are not part of a hallway in accordance with 210.52(H)
and that have an area that is greater than 5.6 m (60 ft )
shall have a receptacle(s) located in each wall space 900 mm (3 ft) or more in width.
Doorways, door-side windows that extend to the floor, and similar openings shall not be considered wall space.
### 210.60 Guest Rooms, Guest Suites, Dormitory Units, and Similar Occupancies.
#### 210.60(A) General.
Guest rooms or guest suites in hotels or motels, sleeping rooms in dormitory units, and similar occupancies
shall have receptacle outlets installed in accordance with 210.52(A) and (D).
Guest rooms or guest suites provided with permanent provisions for cooking
shall have receptacle outlets installed in accordance with all of the applicable rules in 210.52.
#### 210.60(B) Receptacle Placement.
The total number of receptacle outlets
shall not be less than required in [[#210.52(A) General Provisions.|210.52(A)]]
These receptacle outlets shall be permitted to be located conveniently
for permanent furniture layout.
At least two receptacle outlets shall be readily accessible.
Where receptacles are installed behind the bed,
the receptacle shall be located
to prevent the bed from contacting any attachment plug that may be installed
or the receptacle shall be provided with a suitable guard.
### 210.62 Show Windows.
At least one 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet
shall be installed within 450 mm (18 in.) of the top of a show window
for each 3.7 linear m (12 linear ft) or major fraction thereof
of show window area measured horizontally at its maximum width.
### 210.63 Equipment Requiring Servicing.
A 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet
shall be installed at an accessible location
within 7.5 m (25 ft) of the equipment as specified in 210.63(A) and (B).
#### 210.63(A) Heating, Air-Conditioning, and Refrigeration Equipment.
The required receptacle outlet shall be located on the same level
as the heating, air-conditioning, and refrigeration equipment.
The receptacle outlet shall not be connected
to the load side of the equipment's branch-circuit disconnecting means.
Exception:
A receptacle outlet shall not be required
at one- and two-family dwellings for the service of evaporative coolers.
#### 210.63(B) Other Electrical Equipment.
In other than one and two-family dwellings,
a receptacle outlet shall be located as specified in 210.63(B)(1) and (B)(2).
##### 210.63(B)(1) Indoor Service Equipment.
The required receptacle outlet
shall be located within the same room or area as the service equipment.
##### 210.63(B)(2) Indoor Equipment Requiring Dedicated Equipment Spaces.
Where equipment, other than service equipment,
requires dedicated equipment space as specified in [[nfpa-70_110_requirements-for-electrical-installations#110.26(E) Dedicated Equipment Space.|110.26(E)]],
the required receptacle outlet shall be located
within the same room or area as the electrical equipment
and shall not be connected to the load side of the equipment's branch-circuit disconnecting means.