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2025-10-23 16:50:03 -04:00
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area-of-refuge-takeoff.md
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@@ -38,7 +38,7 @@ and Occupant Evacuation Elevator Lobby Communications Systems.
### 1. Preparation
Complete [[fire-alarm]] preparation and takeoff.
Complete [[fire-alarm-takeoff]] preparation and takeoff.
### 2. Takeoff
distributed-antenna-systems-takeoff.md
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@@ -25,7 +25,7 @@ Less common than ERRCS are "cellular DAS" systems
### 1. Preparation
Complete [[fire-alarm]] preparation and takeoff.
Complete [[fire-alarm-takeoff]] preparation and takeoff.
### 2. Takeoff
electrical-takeoff.md
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@@ -14,7 +14,7 @@ title: Electrical
### Lighting Control
By PDI convention, [[lighting-controls]] are generally "Electrical", not "Lighting".
By PDI convention, [[lighting-controls-takeoff]] are generally "Electrical", not "Lighting".
## Sequence
feeders-takeoff.md
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@@ -125,10 +125,10 @@ for all feeders, no matter the location.
#### Grounding
See [[grounding]].
See [[grounding-takeoff]].
#### Sleeving
See [[sleeving]].
See [[sleeving-takeoff]].
### 3. Review
fire-alarm-takeoff.md
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@@ -10,87 +10,67 @@ title: Fire Alarm
---
# Fire Alarm
## Info
> [!info]
> See [[fire-alarm]] for information about fire alarm systems.
### Fire Command Center (FCC)
> [!info] Also Known As
> Emergency Command Center (ECC)
> Fire Alarm Command Center (FACC)
> Fire Alarm Command Room (FACR)
## Sequence
### 1. Preparation
1. Initial the OneNote
2. Read about the project specifications and construction type
3. Find Fire Alarm plans (if present)
4. Locate the following rooms:
* Fire Command Center (FCC)
* Generator Room
* Fire Pump Room
* Elevator Control Rooms
* Elevator Shafts
* Stairwells
### 2. Takeoff
#### Backbone
## Backbone
Put all backbone takeoff in the `Area` of the Fire Command Center.
Include [[sleeving]] as necessary.
Include [[sleeving-takeoff]] as necessary.
##### Fire Command Center
### Fire Command Center
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`HEAD END EQUIP`/`... HEAD END`
##### Generator Room
### Generator Room
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`GENERATOR ROOM ...`
##### Fire Pump Room
### Fire Pump Room
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`FIRE PUMP ROOM ...`
##### FACR to Elevator Shafts
### FACR to Elevator Shafts
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`ELEV SHAFT ...`
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`FACR TO ELEV SHAFT ...`
Measure Length from the most distant points of the FACR and each shaft.
Input adder length to reach the bottom of the pit
(Minimum 15ft adder).
Input adder length to reach the bottom of the pit (Minimum 15ft).
```
| 1 shaft | 2 shafts |
| || +--------+ +--------+ || | || +--------+ || +--------+ || |
| || | Elev 1 | | Elev 2 | || | || | Elev 1 | || | Elev 2 | || |
| || +--------+ +--------+ || | || +--------+ || +--------+ || |
| ||=======================|| | ||============||============|| |
| | |
```
> [!important] Counting Elevator Shafts
> Adjacent elevators may be in the same or parallel shafts.
> Count the shafts accordingly:
>
> ```
> | 1 shaft | 2 shafts |
> | || +--------+ +--------+ || | || +--------+ || +--------+ || |
> | || | Elev 1 | | Elev 2 | || | || | Elev 1 | || | Elev 2 | || |
> | || +--------+ +--------+ || | || +--------+ || +--------+ || |
> | ||=======================|| | ||============||============|| |
> | | |
> ```
##### FACR to Elevator Control Rooms
### FACR to Elevator Control Rooms
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`ELEV CONTROL ROOM ...`
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`FACR TO ELEV CONTROL RM ...`
* Measure the Horizontal and Vertical Distance from the FACR to the ECR.
* Use Typicals for the vertical riser. (Ex// 10' per floor)
* Add [[sleeving]] as necessary.
* Use Typicals for the vertical riser. (10ft per floor)
##### FACR to Stairwells
### FACR to Stairwells
This is for the Flow/Tamper modules in the stairwells
> [!info]
> This is for the Flow/Tamper modules in the stairwells
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`GEN, ELEV, FIRE PUMP & FA ROOM ASSEMBLIES`/`FACR TO STAIRWELLS ...`
* Measure from the furthest end of FACR to the furthest end of the stairwell to find length
##### Terminal Cabinets
### Terminal Cabinets
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`TERMINAL CABINET`/`ACE D ACCESSORY CABINET ENCLOSURE (2) 2" ...`
@@ -102,9 +82,9 @@ Horizontal:
Vertical:
* Use 10ft Riser in Typical
* Add [[sleeving]] as necessary.
* Add [[sleeving-takeoff]] as necessary.
##### Annunciator Panels
### Annunciator Panels
> [!info] Also Known As
> * Fire Alarm Annunciator (FAA)
@@ -114,27 +94,27 @@ Vertical:
* Measure from the Fire Command Room to FAA or Lobby
#### Devices
## Devices
##### Smoke Detectors
### Smoke Detectors
_Design Build:_
Count every stairwell at every level.
##### Pull Stations
### Pull Stations
_Design Build:_
Count every stairwell at every level
and every exterior exit.
##### Flow-Tamper Switches
### Flow/Tamper Switches
No free air. if wood frame, take off as EMT.
_Design Build:_
Count every stairwell at every level.
##### Magnetic Door Holders
### Magnetic Door Holders
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`INDICATING DEVICES WITH WIRE - ...`/`MAGNETIC DOOR HOLDER - ...`
@@ -142,7 +122,7 @@ _Design Build:_
Count every set of double doors.
(Typical of elevator lobbies and corridors)
##### Speaker Strobes
### Speaker Strobes
_Design Build:_
* Count every 75 ft,
@@ -152,7 +132,7 @@ _Design Build:_
* every elevator lobby,
* and every BOH room on the first floor and garage levels.
##### Firefighter Phone System
## Firefighter Phone System
* firefighter phone jacks
* fire warden station
@@ -163,16 +143,14 @@ Not related to responder radio.
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`COMMUNICATION DEVICES ...`/`...`
##### Fire Smoke Dampers (FSD's)
## Fire Smoke Dampers (FSD's)
Take off both FA
For each damper, take off both
`System` = "FA - Fire Alarm"
`COMMON ASSEMBLIES`/`MISC ASSEMBLIES`/`FSD ...`
and Electrical
and "EL - Electrical"
`COMMON ASSEMBLIES`/`MECHANICAL CONNECTIONS (UP TO 100A)`/.../...
### 3. Review
* [[sleeving]]
fire-alarm.md
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@@ -0,0 +1,8 @@
## Info
### Fire Command Center (FCC)
> [!info] Also Known As
> Emergency Command Center (ECC)
> Fire Alarm Command Center (FACC)
> Fire Alarm Command Room (FACR)
full-takeoff.md
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@@ -27,20 +27,20 @@ title: Full Takeoff
#### Stage 1
1. [[feeders]]
2. [[subfeeds]]
3. [[switchgear]]
1. [[feeders-takeoff]]
2. [[subfeeds-takeoff]]
3. [[switchgear-takeoff]]
#### Stage 2
4. [[units]]
5. [[fixtures]]
6. [[electrical]]
7. [[telecom]]
8. [[low-voltage]]
9. [[fire-alarm]]
10. [[standalone-systems]]
11. [[misc-budgets]]
4. [[units-takeoff]]
5. [[fixtures-takeoff]]
6. [[electrical-takeoff]]
7. [[telecom-takeoff]]
8. [[low-voltage-takeoff]]
9. [[fire-alarm-takeoff]]
10. [[standalone-systems-takeoff]]
11. [[misc-budgets-takeoff]]
### 3. Review
nfpa-70_100_definitions.md
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nfpa-70_110_requirements-for-electrical-installations.md
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@@ -8,9 +8,9 @@ tags:
- status/incomplete
- topic/electrical
- type/media
title: Article 110 Requirements for Electrical Installations
title: "NEC Article 110: Requirements for Electrical Installations"
---
# Article 110 Requirements for Electrical Installations
# NEC Article 110: Requirements for Electrical Installations
## Part I. General
@@ -27,6 +27,17 @@ and tunnel installations.
<!-- TODO: TEXT OMITTED -->
### 110.8 Wiring Methods
Only wiring methods recognized as suitable
are included in this Code.
The recognized methods of wiring
shall be permitted to be installed
in any type of building or occupancy,
except as otherwise provided in this Code.
<!-- TODO: TEXT OMITTED -->
### 110.14 Electrical Connections.
Because of different characteristics of dissimilar metals,
@@ -122,3 +133,115 @@ provides torque values in the absence of manufacturer's recommendations.
Informational Note No. 3:
Additional information for torquing threaded connections and terminations
can be found in Section 8.11 of NFPA 70B-2019, Recommended Practice for Electrical Equipment Maintenance.
<!-- TODO: TEXT OMITTED -->
## Part II. 1000 Volts, Nominal, or Less
### 110.26 Spaces About Electrical Equipment.
Access and working space shall be provided and maintained about all electrical equipment to permit ready and safe operation and
maintenance of such equipment.
#### 110.26(A) Working Space.
Working space for equipment operating at 1000 volts, nominal, or less to ground and likely to require examination, adjustment,
servicing, or maintenance while energized shall comply with the dimensions of 110.26(A)(1), (A)(2), (A)(3), and (A)(4) or as required or
permitted elsewhere in this Code.
Informational Note: NFPA 70E-2018, Standard for Electrical Safety in the Workplace, provides guidance, such as determining severity
of potential exposure, planning safe work practices including establishing an electrically safe work condition, arc flash labeling, and
selecting personal protective equipment.
### 110.26(A)(1) Depth of Working Space.
The depth of the working space in the direction of live parts shall not be less than that specified in Table 110.26(A)(1) unless the
requirements of 110.26(A)(1)(a), (A)(1)(b), or (A)(1)(c) are met. Distances shall be measured from the exposed live parts or from the
enclosure or opening if the live parts are enclosed.
### Table 110.26(A)(1) Working Spaces
Minimum Clear Distance
| Nominal Voltage to Ground | Condition 1 | Condition 2 | Condition 3 |
| ------------------------- | ------------- | ------------------ | ------------- |
| 0–150 | 900 mm (3 ft) | 900 mm (3 ft) | 900 mm (3 ft) |
| 151–600 | 900 mm (3 ft) | 1.0 m (3 ft 6 in.) | 1.2 m (4 ft) |
| 601–1000 | 900 mm (3 ft) | 1.2 m (4 ft) | 1.5 m (5 ft) |
Note: Where the conditions are as follows:
* Condition 1 -- Exposed live parts on one side of the working space
and no live or grounded parts on the other side of the working space,
or exposed live parts on both sides of the working space
that are effectively guarded by insulating materials.
* Condition 2 -- Exposed live parts on one side of the working space
and grounded parts on the other side of the working space.
Concrete, brick, or tile walls shall be considered as grounded.
* Condition 3 -- Exposed live parts on both sides of the working space.
(a) _Dead-Front Assemblies._ Working space shall not be required in the back or sides of assemblies, such as dead-front switchboards, switchgear, or motor control centers, where all connections and all renewable or adjustable parts, such as fuses or switches, are accessible from locations other than the back or sides. Where rear access is required to work on nonelectrical parts on the back of enclosed equipment, a minimum horizontal working space of 762 mm (30 in.) shall be provided.
(b) _Low Voltage._ By special permission, smaller working spaces shall be permitted where all exposed live parts operate at not greater than 30 volts rms, 42 volts peak, or 60 volts dc.
<!-- TODO: TEXT OMITTED -->
#### 110.26(C)(3) Personnel Doors.
Where equipment rated 800 amperes or more that contains overcurrent devices, switching devices, or control devices is installed and there is a personnel door(s) intended for entrance to and egress from the working space less than 7.6 m (25 ft) from the nearest edge of the working space, the door(s) shall open in the direction of egress and be equipped with listed panic hardware or listed fire exit hardware.
Informational Note: For information on panic hardware, see UL 305, Standard For Safety For Panic Hardware. For fire exit hardware, see UL 305, Standard For Panic Hardware, and UL 10C, Standard for Safety for Positive Pressure Fire Tests of Door Assemblies.
#### 110.26(D) Illumination.
Illumination shall be provided for all working spaces about service equipment, switchboards, switchgear, panelboards, or motor control centers installed indoors. Control by automatic means shall not be permitted to control all illumination within the working space. Additional lighting outlets shall not be required where the work space is illuminated by an adjacent light source or as permitted by 210.70(A)(1), Exception No. 1, for switched receptacles.
#### 110.26(E) Dedicated Equipment Space.
All switchboards, switchgear, panelboards, and motor control centers
shall be located in dedicated spaces and protected from damage.
Exception:
Control equipment that
by its very nature or because of other rules of the Code
must be adjacent to or within sight of its operating machinery
shall be permitted in those locations.
#### 110.26(E)(1) Indoor.
Indoor installations shall comply with 110.26(E)(1)(a) through (E)(1)(d).
* (a) _Dedicated Electrical Space._ The space equal to the width and depth of the equipment and extending from the floor to a height of 1.8 m (6 ft) above the equipment or to the structural ceiling, whichever is lower, shall be dedicated to the electrical installation. No piping, ducts, leak protection apparatus, or other equipment foreign to the electrical installation shall be located in this zone.
Exception: Suspended ceilings with removable panels shall be permitted within the 1.8 m (6-ft) zone.
* (b) _Foreign Systems._ The area above the dedicated space required by 110.26(E)(1)(a) shall be permitted to contain foreign
systems, provided protection is installed to avoid damage to the electrical equipment from condensation, leaks, or breaks in
such foreign systems.
* (c) _Sprinkler Protection._ Sprinkler protection shall be permitted for the dedicated space where the piping complies with this section.
* (d) _Suspended Ceilings._ A dropped, suspended, or similar ceiling that does not add strength to the building structure shall not be
considered a structural ceiling.
#### 110.26(E)(2) Outdoor.
Outdoor installations shall comply with 110.26(E)(2)(a) through (E)(2)(c).
* (a) Installation Requirements. Outdoor electrical equipment shall be the following:
1. Installed in identified enclosures
2. Protected from accidental contact by unauthorized personnel or by vehicular traffic
3. Protected from accidental spillage or leakage from piping systems
* (b) Work Space. The working clearance space shall include the zone described in 110.26(A). No architectural appurtenance or other equipment shall be located in this zone.
* (c) Dedicated Equipment Space. The space equal to the width and depth of the equipment, and extending from grade to a height of 1.8 m (6 ft) above the equipment, shall be dedicated to the electrical installation. No piping or other equipment foreign to the electrical installation shall be located in this zone.
Exception: Structural overhangs or roof extensions shall be permitted in this zone.
#### 110.26(F) Locked Electrical Equipment Rooms or Enclosures.
Electrical equipment rooms or enclosures housing electrical apparatus that are controlled by a lock(s) shall be considered accessible to qualified persons.
nfpa-70_210_branch-circuits.md
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@@ -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.
nfpa-70_520_theaters.md
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@@ -56,7 +56,7 @@ Cables or conductors positioned adjacent to one another but not in continuous co
#### Performance Area.
The stage and audience seating area associated with a temporary stage structure, whether indoors or outdoors, constructed of scaffolding, truss, platforms, or similar devices, that is used for the presentation of theatrical or musical productions or for public presentations.
The stage and audience seating area associated with a temporary stage structure, whether indoors or outdoors, constructed of scaffolding, truss, platforms, or similar devices, that is used for the presentation of theatrical or musical productions or for public presentations. ^c6c061
#### Portable Equipment.
pre-takeoff-research.md
+12 -1
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@@ -31,7 +31,7 @@ See [[wiring-method-selection]].
Unless explicitly stated in the plans or specs,
conductors are to be sized according to the relevant schedule,
without respect for voltage drop.
_without respect for voltage drop_.
### Feeders and Unit Subfeeds
@@ -73,3 +73,14 @@ Wiring devices and their wall plates are a common target of [[gold-plating]].
[^1]: Specification section titles and scope may vary greatly between projects.
The examples provided are not an exhaustive list.
## Emergency Systems
1. Find Fire Alarm plans (if present)
2. Locate the following rooms:
* Fire Command Center (FCC)
* Generator Room
* Fire Pump Room
* Elevator Control Rooms
* Elevator Shafts
* Stairwells
raceway-terms.md
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@@ -13,11 +13,7 @@ title: Raceway Terms
## "Raceway"
> [!quote] NEC Article 100
> **Raceway.**
> An enclosed channel
> designed expressly for holding wires, cables, or busbars,
> with additional functions as permitted in this _Code_. (CMP-8)
![[nfpa-70_100_definitions#Raceway.]]
### "Duct"
@@ -36,35 +32,16 @@ title: Raceway Terms
"Wiring method" is not given explicit definition in the NEC.
> [!quote] NEC 110.8 Wiring Methods
> Only wiring methods recognized as suitable
> are included in this Code.
> The recognized methods of wiring
> shall be permitted to be installed
> in any type of building or occupancy,
> except as otherwise provided in this Code.
![[nfpa-70_110_requirements-for-electrical-installations#110.8 Wiring Methods]]
> [!quote] NEC 300.1(A) All Wiring Installations
> This article covers general requirements
> for wiring methods and materials
> for all _wiring installations_ (emphasis added)
> unless modified by other articles in Chapter 3.
![[nfpa-70_300_general-requirements#300.1(A) All Wiring Installations.]]
Nor is wiring installation,
however by closest definition
it can be assumed **premises wiring**
includes all wiring installations.
> [!quote] NEC Article 100
> **Premises Wiring (System).**
> Interior and exterior wiring,
> including power, lighting, control, and signal circuit wiring
> together with all their associated hardware, fittings, and wiring devices,
> both permanently and temporarily installed.
> This includes
> (a) wiring from the service point or power source to the outlets or
> (b) wiring from and including the power source
> to the outlets where there is no service point.
![[nfpa-70_100_definitions#Premises Wiring (System).]]
### Inappropriate Use
@@ -82,6 +59,8 @@ _would be_ out of scope, except for Article 800.110:
> _The raceways shall be installed in accordance_
> _with the requirements of Chapter 3._
[[nfpa-70_800]]
Raceway is not a _wiring method_
unless it is used to support _premises wiring_,
which communications cabling is not.