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HomeMy WebLinkAbout7252 HIGHLAND LOOP _ i 1> 1 � . � ..ti .� � ; �10-8. �round-Fault Circuit-Interrupter Protection for Personnel � 1��- FPN: See Seciion�15-9 for ground-fault circuit-intemipter protection for personnel on feeders. ' � (a)Dw�elling Uniti.All 125-volt, single-phase, 15- and 20-ampere receptacles installed in the locations specifi i d below shall have ground-fault circuit-interrupter protection for personnel.F,����� ' � 1. i athrooms.���� ` , 2. Garages, and als��sory buildings that have a floor located at or below grade level not intended as ! habitab�le rooms and lixnited to storage areas, work areas, and areas of similar use. _ , Exce,ntion No. 1:Receptacles that aYe not readily accessible. _ i � Exception No. 2: IA single receptacle o�a du�lex receptacle for two appliances located within dedicated � space for each appliance that, in normal use, is not easily moved frorrz oneplace to another, and that is cord- ; and plug-connected in accorddnce with Section 400-7(a)(6), (a)(7), or(a)(8). :3�o;m„---e„�a��� � � Receptacles install�d under the exceptions to Section 210-8(a)(2) shall not be considered�as meeting the 'i requireinents of Se�tion 210-52(g). � ; � ! 3. Outdoors. � � i ExCE tion:Rece acles that are not readily accessible and are supplied by a dedicated branch circuit for ; electric snow-meltiJ i or deicing equipment shall be permitted to be installed in accordance with the applicttble�, provisibns ofArtzcle 426. ;r�A,,,,„e„�a� ; , , 4. Crawl spaces. Where the crawl space is at or below grade level. � 5. nfinished basements. For purposes of this section,unfinished basements are defined as portions or areas; of the basement not�intended as habitable rooms and limited to storage areas,work areas, and the like. ; � ; Exception No. 1:�eceptacles that are not,Yeadily accessible. i Exce�tion No. 2:�sangle receptacle or a du�lex receptacle for two appliances located within dedicated j space for each applIi��ance that, in normal use, is not easily moved from one place to another, and that is cord- and l� connected in accordance with Section 400-7 a 6, (a)(7), or a 8 � P g ���J �J,��• ;Coin;�;en%.w�,�« i Receptacles installed under the exceptions to Section 21-0-8(a)(5) sha11 not be considered as meeting the i requirements of Section 210-52(g). � ' � , 6. Kitchens: Where the receptacles are.installed to serve the countertop surfaces.;�---�--~-a„�,,;�;�a� � � ,�..�.�.. 7. Wet bar sinks. Where the receptacles are installed to serve the countertop surfaces and are located within ! 6 ft (1.83 m) of the outside edge of the wet bar sink. Receptacie outlets sha11 not be installed in a face-up � _ posihon in the work surfaces or countertops.��07111He7�� ', (b) Otlner than Dwelling Units.All 125-volt, single-phase, 15- and 20-ampere receptacles i.nstalled in the � locatio�s specified �elow shall have ground-fault circuit-interrupter protection for personnel. � - ,�L.�_____..�.... 1. �athrooms=;��,„,�,�„�ty� � � I 2. Rooftops;r�=`�o;m„� � , , � , � � - �_ `� 1r / _irlf Excegtion:�eceptacles that are nat reudily accessihle and ttre su�plied,ft•arn a.dedicated branch circuit.f'or Y electric snaw-melting ar deicing equipment shull be pennitted to be znstalled in accordance with.the applicabl'e provisions af�4�ticle 42b. '�� f 210-11.Branch Circuits Itequired � Branch circuits for lighting and for appliances,including motor-operated appliances, shatl be provide.d tp supply the loads computed in accordance with Section 220-3. In addition,branch circuits shall be pravided for specific loads not cavered by Section 220-3 where required elsewhere in this Code and for dwelling unit loads as specified in{c).���'�„�� �a)Number of Branch Circuits.The minimum number of branch circuits shall be detennined from the tatal computed laad and the size or rating of the circuits used. In all installations, the number of circuits shall be sufficient to supply the load served. In no case shall the load on any circuit exceed the maximum�specifiied by Section 220-4. � (b) Load Evenly Proportioned Among Branch Circuits.Wh�rre the load is computed on a volt-amperas/square foat{0.093 m�)basis,the wiring system up to and including the branch-circuat - panelboard(s)shall be provided to serve not less than the calculated load. This load shall be evenl�proportioned among multiautlet branch circuits within the•panelboard(s). Branch-circuit avercurrent devices an�d circuits need ozily be iustalleci to serve the connected Iaad. ; {c)Dwelling Unrts: � (1) Small Appliance Saranch Circuits.In addition to the number of branch circuits required by other parts af ' tJais section, two ar more 20-ampere small-appliance branch circuits shall be-provided for all receptacle outlets specified by Sectian 210-52(b). {2)�.aundry Branch Circuits.In addition to the nurnber of branch circuits requzred by other part',s of this section, at least one additiona120-ampere bran.ch circuit shall be provided to supply the laundry receptacle outlet{s)required by Section 2 2 0-52(�-'I'his circuit shali have no other outiets. {3) �athroom Branch Circuits.,In addition to the number of branch circuits required by other pai�ts af�zis section, at least one 20-aznpere branch circuit shall be provided to supply the bathroom receptacle'outlet(s). Such circuits shall have no other autlets. Exceptir�n: I�here the 20-ampere circuit supplies a single bathroom, outlet�,f'o�°othe�er�uipmenx`within the same bathroam shall be permitted to be supplied in accordance with Section 210-23(a). FPN: See Examples Dl(a),D1(b),D2(Ya),and D4(a)in Appendix D. � 210-52. Dwelling Unit Receptacle Outlets� Receptacle-outlets required by this section shall be in add'ztion to any receptacle that is part af a lighting fixture or appliance,located wi#hia.cabinets or cupboards, or Iocated more than. S112 ft{1,68 m) abave the�floor. P�rmanently installed electric baseboard heaters equipped with factory-installed receptacle outlets;or outlets provided as a separate assembly by the manufacLurer shall be permitted as the required outlet or o�tlets for the wa11 space utilized by such permanentiy installed heaters. Such xeceptacie aut�e#s shall not be conr�ected to the � heater circuits. y ; � �� � � ; � .}E: i ' � � • '' FPN:Listed baseb i ard heateis include instructions that may not permit their installation below receptacie outlets.;�con,n,�"'"e;,iar�� I � , ; _ . . _ {�) Geperal Provii i ons. In every kitchen, family room, dining room, living room,parlor, library, den, sunroom; ' , bedroim,recreatiol i room, or similar room or area of dwelling units, receptacle outlets shall be installed in , accordance with.the general provisions specified in�(1) through (3). � � (1) Spacing.Rec ��acles shall be installed so that no point along the floor line in any wall space is more than 6; I ' , ft(1.83 m),measu i i d hoiizontally, from an outlet in that space. Receptacle outlets shall, insofar as practicable, ' be s aced e ual distances a art.�� � � P q P E Cammentar _ � (2) W I ll Space.As used in this section, a wall space.shall include the following: � � a. �ny space 2�(610 mm) or more in width(including space measured around corners) and unbroken along the flo Q�r line'by do�orways, fireplaces, and similar openirigs , I . � b. The space occupied by fixed panels in exterior walls, excluding sliding panels ! c. The space afforded by fixed room c�ividers such as freestanding bar-type counters or railings;Rc4„n,r;e„�� ; (3) Ftaor Recepta Ies.Receptacle outlets in floors sha11 not be counted as part of the required number of � recept�cle outlets ess located within 18 in. (457 mm) of the wall. ' • ; (1�) S all Appliances.`,�--�~~~��„„„� � ' ' � . i 1. I the kitche i,pantry, breakfast room, dini.ng room, or similar area of a dwelling unit, the two or more ! 20-am�ere small-ap�hance branch circuits required by Section 210-11(c)(1) shall serve all receptacle outlets ; covered by Sechons 210-52(a) and (c) and receptacle outlets for refrigeration equipment. � . ' , � Exce�tion No. ,I:In addition to the required receptacles s�ecifzed by Section 210-52, switched receptacles � supplie�d,frorrt a ge i i ral purpose branch ci�cuit as defaned in Section 210-70(a)(1), Exception No. 1, shall be � permiLTBli� :Commentar, _ � ' I �p� ' I Exce'ption No. 2: The rece�tacle outlet for ref�ig'eration equipment shall beperrnitted to be supplied from an � individual branch ciYcuit rated 1 S amperes or greater. ;c�,�ia��: ' � � i �2. e two or m�re sma11-appliance branch circuits specified in(b)(1) shall have no other outlets. �, �. � Exce tton No: 1:A receptacle installed solely for the electrical supply to and support of an electric clock in � any of�he rooms specified above. • � ; Exce�tion No. 2:i eceptacles installed to provide power for supp,lemental equipment and lighting on ; gas;fired�anges, ovens, or counter-mounted cooking units. F;���;,;,,,��� ; � :� � 3. Receptacles installed in a kitchen to serve countertop surfaces shall be supplied by not less than two � small-appliance branch circuits, either or both of which shall also be permitted to supply receptacle outlets in ; the same kitchen and m other rooms specified in Section 210-52(b)(1). Additional small-appliance branch ' circuits shall be pemutted to supply receptacie outlets in the kitchen and other rooms specified in Section ' 210-52(b)(1). No s a11-appliance brarich circuit shall serve more than one kitchen. ; (c) Cointertops. I kitchens and dining rooms of dwelling units,receptacle outlets for counter spaces shall be ; installed m accord ce with(1) through(5). , 1 Wa Counter S' aces.A rece tacle outlet shall be ' , ( ) p p uistalled at each wall counter space that is 12 in. (305 , ' �- � � -s� mm) or wider..Receptacle outlets shall be installed so that no point along the wall line_is more tlian 24 in. (610 � � mm),measured horizontally from a receptacle outlet.in that space. , ; � (2) Island Counter Spaces.At least one receptacie outlet shall-be insta.11ed at each island.counter space with a .f long dimension of 24 in. (610 mm) or greater and a short dimension of 12 in. (305 mm) or�greateg:� � � . � (3) Peninsular Counter Spaces.At least one.receptacle outlet shall be installed at each peninsular counter. space with a long dimension of 24 in. (610 mm) or greater and a-short dimension of 12 in.�(305 mm) or greater. , A peninsular countertop is measured from the connecting edge. ' � • ; � (4) Separate�Spaces. Countertop spaces separated by range tops,refrigerators, or sinks shall be considered as separate countertop spaces in applying the requirements of(1), (2), and(3);. � (5) Receptacle Outlet Location.Receptacle outlets shall be located above,but�not more.than 18,in. (458 mm) above the countertop. Receptacle outlets shall.not be installed in a face-up position in the work suifaces or countertops. Receptacle outlets rendered not readily accessible by apphances fastened in place or�appliances occupying dedicated space shall not be considered as these required outlets.;��,,,,,,,,,�„��t� ! Exception: To comply with the conditions as specifzed in (a) or.(b); receptacle outlets shall be pef mitted to be , mounted not more than 12 in. (30S.mm) below the countertop. Receptacles mounted below the countertop in � ' �; accordance with this exception shall not be located where the.countet-top extends.more than 6 in.' (IS3 mm) beyond its su�por-t base. � a. Constt uction for the physically im�aired' , , - b. On island and peninsular countertops where the countertop is flat across its entire surface;(no � backsplashes, dividers, etc.)and there are no means to mount a receptacle within 18 in. (4S8 mm).above the countertop, such as an o�erhead cabinet . � ' (d) Bathrooms. In dwelling units, at least one wall receptacle outlet shall be installed in bathrooms within 36 in. (914 mm) of the outside edge of each basin. The receptacle outlet.shall be located on a wall tliat is adjacent to the basin location. See Section 210-8(a)(1). , �, Receptacle outlets shall not be installed in a face-up position in the work surfaces or countertops in a bathroom b3S111 IoCStiOII.;�'Cammentarg. � (e) Outdoor Outlets.For a one-family dwelling and each unit of a two-family dwelling that is at'�rade level, at . �� least one receptacle outlet accessible at grade level and not more than 61/2 ft(1.98 m) above grade's�all be - installed at the front and back of tlie dwelling. See Section 210-8(a)(3).,��� . I (�Laundry Areas. In dwelling units, at:least one receptacle outlet sha11 be installed for the laundry. � . ;pCummenca��� ' , Exception No. 1:In a dwelling unit that is an apartment or living area in a multifamily bualding where laundry facilities are provided on the premises that are.available to all building occupants, a lauridry receptacle shall not be requared. � � , Exce�tion No. 2:In other than one family dwellings where laundry facilities are not to be installed or permitted, a laundYy receptacle shall not be Yequired. - ' (g) Basements and Garages. For a one-family dwelling, at least one receptacle outlet,in addition.to any provided for laundry equipment, sha11 be installed in each basement and in each attached garage,'�ind in each ° I • . I � � �= deta.ch�'ed garage witl.h electric power. See Sections 210-8(a)(2) and(a)(5). Where a portion of the basement is finishe'd into a habitable room(s), the receptacle outlet required by this section shall be installed in the unfini�hed portion.,�,�y; - �" � - (h) Hallways.In dwelling units, hallways of 10 ft.(3.05 m) or more in length shall have at least one receptacie outlet. , , �i As used in this sui�section, the hall length shall be considered the length along the centerline of the hall without 1 I , passing through a doorway.;;���,,,�„� ��240-24.Location in or on Premises , , (a)Ac�essibility. Overcurrent devices shall be readily accessible unless one of the following applies. i ;��iary � I , 1. For busways, as provided in Section 364-12. � i i - 2. F�or supplementary overcurrent protection, as described in Section 240-I0. � 3. Fjor overcurrent devices, as described in Sections 225-40 and 230-92. i � - 4. Fj�or overcurrent devices adjacent to utilization equipment that they supply, access shall be permitted to be� b ort�able means.� L'.-....=.,�.�'.._.�-_ � Y P , iCommentai..� .. , i (b) Oc i upancy.E i�occupant shall have.ready access to a11 overcurrent devices protecting the conductors supplying that occu�ancy. Where electric service and electrical maintenance are provided by the building manag 'ement and where these are under continuous building management supervision, the service overcurrent - devices and feeder i i ercurrent devices supplying more than one occupancy shall be permitted to be accessible t o o ri l y a u t h o r i z e d managemen t personne l in t he fo l lowing: � � � � 1. Iii multiple occupancy buildings � ' 2. FI r guest roo i s of hotels and motels that aze intended for transient occupancy ; (c) Not�Ezposed to Physical Damage. Overcurrent devices shall be located where they will not be exposed to physical damage. FPN�: See Section 110-11,Deteriorating Agents. (d) Not in Vicinity of Easily Ignitible Material. Overcurrent devices shall not be located in the vicinity of ' easily ignitible material, such as in clothes closets.;��,„,,,'��� II , (e)Not Located in �Bathrooms. In dwelling units and guest rooms of hotels and motels, overcurrent devices, other than supplementary overcurrent protection, shall not be located in bathrooms as defined in Article 100. � �250�50. Grounding Electrode System If available on the premises at each building or structure served, each item(a) through(d), and any made � electrodes in accordl�ce with Sections 250-52(c) and(d), shall be bonded together to form the grounding � electrode system. Thi bonding jumper(s) shall be installed in accordance with Sections 250-64(a), (b), and(e), sha11 bej sized in accordance with Section 250-66, and shall be connected in the manner specified in Section 250-70.j , � � e I � r An unspliced grounding electrode conductor shall tie permitted to be run to any convenient grounding electrode Y available in the grounding electrode system or to one or more grounding electrode(s) individually. It sha11 be sized for the largest grounding electrode conductor required among all the electrodes connected;to it. f <�c,�,wm"enea� � ,' ' . , �, The grounding electrode conductor shall be unspliced or spliced by means of irreversible compression-type connectors listed for the purpose or by the exothernuc welding process. „ � Interior metal water piping located more than 5 ft(1:52 m) from the point of entrance to the builcling shall not be used as a part of the grounding electiode system or as a conductor to interconnect electrodes that are part.of the grounding electrode system. � , ' Exception:In industrial and commercial buildings where conditions of rrcaintenance and supe'yvision ensure that only qualified persons will service the installation and the enfire length of the interioi�metal water pipe that is being used for the conductor is ex�osed. ;;c�,�ca�`� ' � � ; FPN: See Sections 547-8 and 547-9 for special grounding and bonding requirements�for�agricultural buildings: (a) 1Vletal Underground Water Pipe.A metal underground water pipe in direct contact with the�earth for 10 ft , (3.05 m) or more(including any metal well casing effectively bonded to the pipe) and electrically continuous (or made electrically continuous by bonding azound insulating jouits or sections or�insulating pip�)to the points of connection of the grounding electrode conductor and the bonding conductors: co,��eat`y� (1) Continuity. Continuity of the grounding path or the bonding connection to interior piping sh�'al not rely on water meters or filtering devices and similar equipment. ' � �' � , , . , � , . � - � � (2) Supplemental Electrode Required.A metal underground�water pipe shall be supplemented by an additional electrode of a type specified in Sections 250-50 or 250-52. Where the supplemental electrode is a � made electrode of the rod,pipe, or plate type, it shall comply with Section 250-56. The supplemental electrode shall be pernutted to be bonded to the grounding electrode conductor, the grounded service-entraince conductor, the nonfle�ble grounded service raceway, or any grounded service.enclosure.;c��at�,. � Exception: The supplemental electrode shall be pe�nitted to.be bonded.to,the interior metal water piping at any convenient point as covered in Section 250-50; Exception. ' � �; Where the supplemental electrode is a made electrode as in Section 250-52(c) or(d), that portion�of the bonding , � jumper that is the sole connection to the supplemental grounding electrode shall not be reguired to be larger than No. 6 copper wire or No. 4 aluminum wir.e.,�,��„e,�,�a,� , ' � (b) 1VIeta1 Frame of the Building or Struc�ure.The metal frame of the building or structure,wYnere effectively grounded. , . . . , (c) Concrete-Encased Electrode.An electrode encased by at least 2 in:(50.8 mm) of concrete, lpcated within � and near the bottom of a concrete foundation or.footing that is in direct contact with the earth, coiasisting of at least 20 ft(6.1 m) of one or more bare or zinc galvanized or other electrically conductive coated'�teel � reinforcing bars or rods of not less than',1/Z-in. (12.7-mm).diameter, or consisting of at least 20 ft�',(6.1 m) of bare I copper conductor not smaller than No. 4. Reinforcing bars sha11 be permitted to be bonded togeth.er by the usual steel tie wires or other.effective means.;�;��, � . � ' (d) Ground Ring.A ground ring encircling the building or structure, in direct contact,with the e�u�th at a depth , � I _ . I I II � ;� � below�the earth's s� �urface of not less than 21/Z ft (762 mm), consisting of at least 20 ft(6.1 m) of bare copper ' conductor not smaller than No. 2. ,��� � � � � ���410-57.Receptacles in Damp or Wet I.ocatdons i � (a) Da�np Locations.A receptacle installed outdoors in a location protected from the weather or in other damp locations shall have�an enclosure for the receptacle that is weatherproof when the receptacle is covered (attach:ment plug cap not inserted and receptacle covers closed). ' i An installation suitable for wet locations sha11 also be considered suita.ble for damp locations. A receptacle shall Be considered to be in a location protected from the weather where located under roofed open porches, canopies,marquees, and the like, and will not be subjected to a beating rain or water runoff. (b} �et Locations:, 1. A receptacle'�installed in a wet location where the product intended to be plugged into it is not attended while iu use (e.g., sprinkler system controllers, landscape lighting, holiday lights, etc.) shall have an enclosure that is weatherproo�with the attac�unent plug cap inserted or removed.z,.c�;„;„�;�aty� 2. A receptacle installed in a wet location where the product intended to be plugged into it will be attended while i i use(e.g.,piolrtable tools,�etc.) sha11 have an enclosure that is weatherproof when the attachment�plug cap is remol ed.F,c�a�� � (c)�athtub and Sliower Space.A receptacle sha11 not be installed withi.n a bathtub or shower space. -:,---..:.: �[commeiiea,� , (d) Pro'tection for Floor Reeeptacles. Standpipes of floor receptacles shall allow floor-cleaning equipment to be operated without�� �damage to recepta.cles. (e) Flu�h 1VIountingi with]�aceplate.The enclosure for a receptacle installed in an outlet box flush-inounted on a wall surface shall be made weatherproof by means of a weatherproof faceplate assembly that provides a watertight connectio'I between the plate and the wall surface. (�Installation. A ri Iceptacle outlet installed outdoors shall be located so that water accumulation is not likely to touch the outlet colver or plate.;;�� , I I , i �