O00-45ORDINANCE
AN ORDINANCE OF ME CITY COMMISSION OF THE
C~ OF BOYNTON BEACH, FLO~DA, AMENDING
LAND DEVELOPMENT REGULATIONS, CHAPTER 20,
ARTICLE II. ELEGT~CAL CODE, BY ADOPTING THE
1999 NATIONAL E~CTRIGAL CODE AND THE
BOYNTON BEACH AMENDMENTS THERETO;
PROVIDING ~R CONFLICTS, SEVERABILITY,
CODIFICATION AND AN EFFECTIVE DATE.
WHERe, in order to comply with Florida Statute 553.73, staff
~commends adoption of the 1999 National Electric:al Code and the
3oynton Beach Amendments; therto; and
WHERe, the City Commission has determined that it is in the
best interest: of the City, its residents, property owners, and vJsitom to
amend Chapter 20 of the Land Development R~ulations by adoption of
:he 1999' National Ele~rical Code and ~e Boynton Beach Amendments
:hereto; and
WHEREAS, Chapter 533.73, Florida Statutes provides that the City
Sommission for Boynton Beach,, Florida shall have the power ~ adopt
'ecent editions of and revisions to the E!ec~ical Code;
NOW, THEREFORE, BE IT ORDAINED BY THE CITY COMMISSION
DF THE CITY OF BOYNTON BEACH, FLO~DA, THAT:
Section 1: Chapter 20 of the Land Development Regulations,
~.rticle II Electrical Code is hereby amended by adding the words and
figures in underlined type, and by deleting the words and figures in
struck-through ~pe, as follows:
The National Electrical Code,~ ~ ~'~, ~Edition, together with the
~ ..... ~ .... ~ ..... ~'~ "~ =~ hereby established...
Section 2. Each and every other provision of Chapter 20 of the
Land Development Regulations not herein specifically amended, shaft
remain in full force and effect as originally adopted.
Section 3. m! laws and ordinances applying to the City of
~oynton Beach in conflict with any provisions of this ordinance am hereby
repealed.
Section 4. Should any section or provision of this Ordinance or
any portion thereof be declared by a couA of competent jurisdiction to be
invalid, such decision shall not affect the remainder of this Ordinance.
Section 5. Authority is hereby given to codify this Ordinance.
Section 6. This Ordinance shall become effective immediately.
FIRST READING this /~" day of August, 2000.
SECOND, FINAL READING AND PASSAGE this~
September, 2000,
day of
CITY 0~. BOY~TgN/~EACH, ~FLORIDA
Vice ~'~ayor -
Commissioner
Commissioner
~,TTEST:
'."?,,,,,
= >...'~ %3:=
BOYNTON BEACH AMENDMENTS
TO THE 1999 NATIONAL ELECTRICAL CODE
CODING:
Words underlined are additions to the 1999 NEC
Words :tr~c~.;ee. are deletions to the 1999 NEC
Article 90 - Introduction
90-10 - Incorporation of Standard. The Model Building Code Enforcement Administrative
Code, 1997 Edition, is hereby adopted by reference and is incorporated as if herein, and is
intended to provide for the administrative aspects of the National Electrical Code, 1999 Edition,
and these amendments thereto.
CHAPTER 1
General
Article 100 - Definitions
Scope. This article contains only those definitions essential to the proper application of this
Code. It is not intended to include commonly defined general terms or commonly defined
technical terms from related codes and standards. In general, only those terms used in two or
more articles are defined in Article 100. Other definitions are included in the article in which
they are used but may be referenced in Article 100.
Part A of this article contains definitions intended to apply wherever the terms are used
throughout this Code. Part B contains definitions applicable only to the parts of articles
specifically covering installations and equipment operating at over 600 volts, nominal. All the
definitions as listed in the latest edition of the Standard Building Code shall be a part of this
Code.
Article 110 - Requirements for Electrical Installations
B. 600 Volts, Nominal, or Less
110-26. Spaces About Electrical Equipment. Sufficient access and working space shall be
provided and maintained about all electric equipment to permit ready and safe operation and
maintenance of such equipment. Enclosures housing electrical apparatus that are controlled by
lock and key shall be considered accessible to qualified persons. All meter rooms and electrical
equipment rooms shall be ventilated as per NFPA-70. There shall be no storage of combustible
material within electrical meter or equipment rooms. A waterproof sign shall be placed on the
door "No Combustible Storage Allowed." Lettering shall be a minimum of 1½" high and shall
be of a contrasting color.
l10-26(f)(1)(b) Foreign Systems. The space equal to the width and depth of the equipment shall
be kept clear of foreign systems. Foreign systems above the dedicated electrical space shall have
· ~:nlcaa protection is provided to avoid damage from condensation, leaks, or breaks in such
foreign systems. This zone shall extend from 6 ft (1.83m) above the top of the electrical
equipment to the structural ceiling.
CHAPTER 2
Wiring and Protection
Article 210 - Branch Circuits
A. General Provisions
210-1. Scope. This article ccvcra ............................................ ...,~,~., ~,~,..~ .... j
~ .... ~ ~; .... ;* .... :*~ ~--~;-~*;~- ~ The provisions of this ~icle apply to brach circuits
supplying lighting or appliance loads or combinations of both. ~ere motors or motor-operated
appliances ~e co~ected to any brach circuit that also supplies lighting or other appli~ce
loads, the provisions of both this aaicle ~d ~icle 430 shall apply. ~icle 430 applies where a
brach circuit supplies motor loads only. Branch circ~ts shall be plainly m~ked at the
overcu=ent protective device so that the~ can be quickly and positively identified.
Section 210-8. Ground-Fault Circuit-Interrupter Protection for Personnel.
210-8(a)
(7) Wet bar .All sinks. Where the receptacles are installed to serve the counter top surfaces and
are located within 6 ft. (1.83 m) of the outside edge oftkc wet bar si:'2cr,, all sinks. Receptacle
outlets shall not be installed in a face-up position in the work surfaces or countertops.
(b) Other than Dwelling Units. All 125-volt, single-phase, 15- and 20-ampere receptacles
installed in the locations specified below shall have ground-fault circuit-interrupter protections
for personnel.
(1) Bathrooms.
(2) Rooftops.
(3) Outdoors.
(4) All sinks. Where the receptacles are installed to serve the counter top surfaces and are
located within 6 ft. (1.83 m) of the outside edge of all sinks.
Exception No. 1: Receptacles that are not readily accessible and are not supplied from a
dedicated branch circuit for electric snow-melting or deicing equipment shall be permitted to be
installed in accordance with the applicable provisions of Article 426.
Exception No. 2 to (3) and (4) above: A single receptacle or duplex receptacle for two appliances
located within dedicated space for each appliance that in normal use is not easil_v moved from
one place to another, and that is cord-and-plug connected in accordance with Section 400-
7(a)(6), (a)(Z), or (a)(8).
210-11(c)(4) General Lighting Outlets - Dwelling Unit. In dwelling units, a 15-ampere circuit
may have ten (10) general lighting outlets and a 20-ampere circuit may have twelve (12) general
lighting outlets.
B. Branch-Circuit Ratings
210-26. Appliance Branch Circuits Dwelling Unit(s). The following appliances shall be
installed on a separate branch circuit: (1) air conditioners, (2) refrigerators, (3) dishwashers,
(4) garbage disposals, (5) microwave ovens, and (6) any appliance rated at or above 1/2
horsepower or 750 watts resistive load.
C. Required Outlets
210-50 General.
(d) Spacing. Any building to be used for other than office occupancies, warehouses used for
storage only or dwelling units, shall have receptacles installed each twenty (20) feet of
unencumbered wall space. All receptacles shall be installed at accessible locations and this
accessibili _ty shall be maintained regardless of wall fixtures or other modifications. Office
occupancies shall have receptacles installed each twelve (12) feet of unencumbered wall space.
Receptacles are not required in warehouses used for storage only.
210-52. Dwelling Unit Receptacle Outlets.
(b) Small Appliances.
(1) 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 Section 210-1 l(c)(1) shall serve
all receptacle outlets covered by Sections 210-52(a) and (c).
(e)
Outdoor Outlets. For a one-family dwelling and each unit of a two-family dwelling that is
at grade level and multi-family units at grade level and above, at least one receptacle outlet
accessible at grade level and not more than 6lA ft. (1.98 m) above grade shall be installed at
the fi'ont and back of the dwelling. See Section 210-8(a)(3).
Exception No. 1: In addition to the required receptacles specified by Section 210-52, switched
receptacles supplied from a general-purpose branch circuit as defined in Section 21 O-70(a)(1),
Exception No. 1 shall be permitted.
Exception No. 2: The receptacle outlet for refrigeration equtpment shall be,, .......... to, bc
supplied from an individual branch circuit rated 15 amperes or greater.
210-63. Heating, Air-conditioning and Refrigeration Equipment Outlet. A 125-volt, single-
phase, 15- or 20-ampere-rated receptacle outlet shall be installed at an accessible location for the
servicing of heating air-conditioning and refrigeration equipment ~ rc~offcp: n~ :_ ~**: .... ~
crawl :paces. The receptacle shall be located on the same level and w/thin 25 feet (7.62 m) of
the heating, air-conditioning, and refrigeration equipment. The receptacle outlet shall not be
connected to the load side of the equipment disconnection means.
(FPN) See Section 210-8 for ground-fault circuit-interrupter requirements.
ARTICLE 215 - FEEDERS
pro:ont.
Identification of Feeder Conductors. Feeder conductors in NEW BUILDINGS shall be,
identified by color or tagging or by other effective methods at each point a connection is made if
the neutral conductor is also present.
Exception: The existing system of coding may be maintained in new buildings or additions to
existing buildings at industrial and commercial installations.
120/240 volt, single phase, three wire system.
Phase "A" - Black
Phase "B" - Red
Neutral - White
(b)
208Y/120 volt, three phase, four wire system.
Phase "A" - Black
Phase "B" - Red
Phase "C" - Blue
Neutral - White
480Y/277 volt, three phase, four wire system.
Phase "A" - Brown
Phase "B" - Purple
Phase "C" - Yellow
Neutral - Gray
(ti)
240 delta/120 volt, three phase, four wire system (open delta)
Phase "A" - Black
Phase "B" - Orange (higher voltage to ground or high leg)
Phase "C" - Red
Neutral - White
Note: A cabinet or enclosure shall be identified by the words "OPEN DELTA"
where internal Phase "B" and neutral conductors are connected.
215-12. Feeder Conductors. All feeder conductors to panelboards shall be installed in an
approved raceway. In addition all feeder conductors to panelboards with extra circuit spaces in
one and two family dwellings shall include a grounded (neutral) conductor and shall be sized not
less than the equipment grounding conductor specified in section 250-122.
ARTICLE 230 - SERVICES
B. Overhead Service-Drop Conductors
230-28. Service Masts as Supports. Where a service mast is used for the support of service-
drop conductors, it shall be of adequate strength or be supported by braces or guys to withstand
safely the strain imposed by the service drop. Where raceway-type service masts are used,
raceway shall be rigid metal conduit or intermediate metal conduit, minimum 2", and all raceway
fittings shall be identified for use with service masts. Only power service-drop conductors shall
be permitted to be attached to a service mast.
D. Service - Entrance Conductors
230-43. Wiring Methods for 600 Volts, Nominal or Less. Service-entrance conductors shall
be installed in accordance with the applicable requirements of this Code covering the type of
wiring method used and shall be. limited to the following methods:
~., ...~. .......... ~, ......... a~oro,
(1) Rigid metal conduit
(2) Intermediate metal conduit
(3) Electrical metallic tubing
(4) Wireways
(5) Busways
(6) Auxiliary gutters
(7) Rigid nonmetallic conduit
(8) Cablebus
(9) Mineral-insulated, metal-sheathed cable
Cable tray systems shall be permitted to support cables for use as service-entrance conductors in
accordance with Article 318.
F. Service Equipment - Disconnecting Means
230-70. General.
(a) Location. The service disconnecting means shall be installed at a readily accessible location
either outside of a building or structure, or inside nearest the point of entrance of the service
conductors. If more than eight (8) feet, per set of service entrance conductors are located inside
of the building as determined by Section 230-6, a disconnect with overcurrent protection must be
installed at the location the conductors enter the building.
Service disconnecting means shall not be installed in bathrooms.
Article 250 - Grounding
C. Grounding Electrode System and Grounding Electrode Conductor
250-62. Grounding Electrode Conductor Material. The grounding electrode conductor shall
be of copper., ,.,~.~.~.~.~,~1~ .... c,r CO~p}r VIs--Alii ~1~111111~111.~111~ .... The material selected shall be resistant to
any corrosive condition existing at the installation or shall be suitably protected against
corrosion. The conductor shall be solid or stranded, insulated, covered, or bare.
F. Equipment Grounding and Equipment Grounding Conductors
250-118. Types of Equipment Grounding Conductors.
(4) Electrical metallic tubing. When using electrical metallic tubing in an exterior location, for
feeders or branch circuits, an insulated equipment grounding conductor shall be installed to
assure a continuous bond.
Article 300 Wiring Methods
A. General Requirements
300-2. Limitations.
(c) Permitted Wiring Methods.
CHAPTER 3
Wiring Methods and Materials
Only those wiring systems listed in Table 300-2 (c) are
permitted for use, except as provided by Section 90-2 (c).
TABLE 300-2 (c)
PERMITTED WIRING SYSTEMS *
ARTICLE 1 & 2 Family Multi-Family Commercial
Dwelling Dwelling Non-Dwelling
305 Temporary Wiring YES YES YES
318 Cable Trays YES YES YES
320 Open Wiring on Insulators NO NO NO
321 Messenger Supported YES YES YES
324 Concealed Knob-and Tube Wiring NO NO NO
325 Integrated Gas Spacer Cable Type IGS NO NO YES
326 Medium Voltage Cable Type MV NO NO YES
328 Flat Conductor Cable Type FCC YES YES YES
330 Mineral-Insulated, Metal Sheathed Cable Type MI YES YES YES
331 Electrical Nonmetallic Tubing YES YES YES
333 Armored Cable Type AC YES YES YES
334 Metal-Clad Cable Type MC YES (1) YES (1) YES (1)
336 Nonmetallic-Sheathed Cable Types NM, NMC, and MNS YES NO NO
338 Service-Entrance Cable Type SE and USE YES (2) NO NO
339 Underground Feeder and Branch-Circuit Cable Type UF YES (3) (3)
340 Power and Control Tray Cable Type TC NO NO YES
342 Nonmetallic Extensions YES NO NO
343 Nonmetallic Underground Conduit with Conductors YES YES YES
345 Intermediate Metal Conduit YES YES YES
346 Rigid Metal Conduit YES YES YES
347 Rigid Nonmetallic Conduit YES YES YES
348 Electrical Metallic Tubing YES YES YES
349 Flexible Metallic Tubing YES YES YES
350 Flexible Metal Conduit YES YES YES
351 Liquidtight Flexible Metal Conduit and Liquidtight YES YES YES
Flexible Nonmetallic Conduit
352 Surface Metal Raceways and Surface Nonmetallic YES YES YES
Raceways
353 Multioutlet Assembly YES YES YES
354 Underfloor Raceways YES YES YES
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356 Cellular Metal Floor Raceways YES YES YES
358 Cellular Concrete Floor Raceways YES YES YES
362 Metal Wireways and Nonmetallic Wireways YES YES YES
363 Flat Cable Assemblies Type FC YES YES YES
364 Busways YES YES YES
365 Cablebus YES YES YES
374 Auxiliary Gutters YES YES YES
* = See specific Article for use limitations
(1) = Shall not be embedded in concrete
(2) = For branch circuit wiring only
(3) = Uses over 50 volts prohibited
YES = Permitted wiring system
NO = Prohibited wiring system
Article 310 - Conductors for General Wiring
310-2. Conductors.
(b)Conductor Material. Conductors in this article shall be aluminum, copper-clad aluminum,
or copper unless otherwise specified.
(1) Aluminum, and copper clad aluminum conductors smaller than No. 2 A.W.G. shall not be installed.
(2) Aluminum and copper clad aluminum conductors shall not be used for grounding or bonding.
Article 333 - Armored Cable: Type AC
C. Construction Specifications
333-21. Grounding. Type AC cable shall include a separate copper grounding conductor and shall
provide an adequate path for equipment grounding as required by Section 250-2(d).
(a) Type AC cable with a full size ground conductor, sized by 250-122, and an outer metal armor or
sheath that is identified as an acceptable ground return path may be used as provided in Article 517-13.
Type AC cable shall be terminated with listed connectors.
Article 334 - Metal Clad Cable: Type MC
A. General
334-4. Uses Not Permitted. Type MC cable shall not be used where exposed to destructive corrosive
conditions, such as direct burial in the earth, in concrete, or where exposed to cinder fills, strong chlorides,
caustic alkalis, or vapors of chlorine or hydrochloric acids, unless the metallic sheath is suitable for the
conditions or is protected by material suitable for the conditions. Type MC cable shall not be embedded in
concrete.
Article 336 - Nonmetallic Sheathed Cable: Types NM, NMC and NMS
A. General
336-4. Uses Permitted. Type NM, Type NMC, and Type NMS cables shall be permitted to be used in
the following:
(1) One- and two-family dwellings
(~3)(2) Cable trays, where the cables are identified for the use
Type NM and NMC cable shall comply with this article and also with the applicable provisions of other
articles in this Code, particularly Article 300 and 300-4(d).
(FPN): See Section 310-10 for temperature limitation of conductors.
Article 339 - Underground Feeder and Branch Circuit Cable: Type UF
339-3. Use.
(b)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
Uses Not Permitted. Type UF cable shall not be used in the following:
As service-entrance cables
In commercial garages
In theaters
In motion picture studios
In storage battery rooms
In hoistways
In any hazardous (classified) locations
Embedded in poured cement, concrete, or aggregate, except where embedded in plaster as
nonheating leads as provided in Article 424
Where exposed to direct rays of the sun, unless identified as sunlight-resistant
Where subject to physical damage
In systems over 50 volts prohibited in other than one-and two-family dwellings
Article 348 - Electrical Metallic Tubing
A. General
348-4. Uses Permitted
(b) Corrosion Protection. Ferrous or nonferrous electrical metallic tubing, elbows, couplings, and
fittings shall be permitted to be installed in concrete above grade, in aircct c~,r~act ;;StP~ tlc earth, or in
FPN: See Section 300-6 for information on protection against corrosion.
FPN: See Section 250-118(4) for grounding requirements.
348-5. Uses Not Permitted. Electrical metallic tubing shall not be used
(2)
(3)
Where, during installation or afterward, it will be subject to severe physical damage.
Where protected from corrosion solely by enamel.
In cinder concrete or cinder fill where subject to permanent moisture unless protected on all sides by a
layer ofnoncinder concrete at least 2 inches (50.8 mm) thick or unless the tubing is at least 18 inches
(457 mm) under the fill.
(4) In any hazardous (classified) location except as permitted by Section 502-4, 503-3, and 504-20.
(5) For the support of fixtures or other equipment except conduit bodies no larger than the largest trade
size of the tubing. Where practicable, dissimilar metals in contact anywhere in the system shall be
avoided to eliminate the possibility of galvanic action.
(6) Slabs on grade.
(7) In direct contact with earth.
Exception: Aluminum fittings and enclosures shall be permitted to be used with steel electrical metallic
tubing.
Article 370 - Outlet, Device, Pull and Junction Boxes, Conduit Bodies and Fittings
B. Installation
370-29. Conduit Bodies, Junction, Pull and Outlet Boxes to be Accessible. Conduit bodies, junction,
pull and outlet boxes shall be so installed that the wiring contained in them can be rendered accessible
without removing any part of the building or in underground circuits without excavating sidewalks,
paving, earth, or other substance that is to be used to establish the finish grade.
(a) Suspended Ceiling. Junction, pull and outlet boxes shall be installed not more than four (4) feet
above a suspended ceiling.
Exception: Listed boxes shall be permitted where covered by gravel, light aggregate, or noncohesive
granulated soil if their location is effectively identified and accessible for excavation.
Article 380- Switches
A. Installation
380-8 Accessibility and Grouping
(c) HVAC, Refrigeration and Heating Disconnect. A disconnecting means shall be installed within six
(6) feet from the service side of the HVAC, refrigeration and heating equipment.
10
Article 384 - Switchboards and Panelboards
C. Panelboards
384-15. Number of Overcurrent Devices on One Panelboard. Not more than 42 overcurrcnt devices
(other than those provided for in the mains) of a lighting and appliance branch-circuit panelboard shall bc
installed in any one cabinet or cutout box.
A lighting and appliance branch-circuit panelboard shall be provided with physical means to
prevent thc installation of mom overcurrent devices than that number for which the panelboard was
designed, rated, and approved.
For the purposes of this article, a 2-pole circuit breaker shall be considered two overcurrent
devices; a 3-pole circuit hreakcr shall bc considered three overcurrent devices.
(a) Extra Space. In each branch-circuit panelboard of any one-and two-family dwelling, there shall be a
minimum of two (2) extra spaces for fuse holders or breakers for future use.
Co) Extra Raceway. An empty raceway terminating in an accessible attic space or an empty raceway
terminating in an accessible place either under the floor or to the exterior of the building above finish
grade shall be installed. All empty raceways installed to the exterior of the building shall terminate above
finish grade.
CHAPTER 7
Special Conditions
Article 720 - Circuits and Equipment Operating at Less than 50 Volts
720-12. Wire Protection. Low voltage circuits penetrating masonry_ walls and extending to equipment
shall be sleeved to protect from damage. Exception: Doorbell wire does not need to be sleeved.
CHAPTER 8
Communications Systems
Article 800 - Communications Circuits
E. Communications Wires and Cables Within Buildings
800-53(g) Wet Locations. Cables shall be listed in accordance with 110-3(b).
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