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<br /> #3l0 AWG � � �
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<br /> PRINCIPAL GROUND BUS o '
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<br /> 0R iN SWiTCHBOARD} ,w� �r�s„�:� �:.��.�.a.�����,�.u,��z_��
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<br /> TRANSFORM�R NEUTRAL P A � PER NEC 250 N t�eriden,cT o64so
<br /> 355 Research Parkway
<br /> � (203) 630-1406
<br /> (203) 630-2615 Fax ,
<br /> i- - - - - - - - -� fi� �� _....m�,., �:��..:�, ��..:..� ��w��.#
<br /> FOR 45KVA USE #6AWG � I �— — — — — — � � �3 #3/0 AiNG NEC 250.53(E)
<br /> � FOR 75 KVA USE #2 AWG
<br /> FOR 112.5 USE #1/OAWG � � � — — — — T� —� � � — 2�\\ #3/0 AWG #3/0 AWG GAS PIPWG — ------ �.
<br /> SYSTEM �-2Q8/120V PANEL � I I � — I I � GROUND �G , �' -�I� 5WITCHBOARD "hiQP" lx
<br /> BONDING � I— � � 208/120V PANEL TRIAD � �s� � ,
<br /> JUMPER ,►� I � � � �(FUTURE ��C� ,,� BUILDING �� `�e�, .
<br /> FOR 45KVA USE #6AWG—�__ I ) G G (� °� � �F WAS
<br /> ,__ I _J STEEL CONDUIT(S) ��. �� '`��
<br /> FOR 75 KVA USE #2 AWG `� — I I I � � � � � �( I 15'-0" DOMESTIC 1 y �` ''z
<br /> FOR 112.5 USE #1/OAWG � � I I , � (MIN.) \ � � WATER MAIN , � ,� �
<br /> � ( I � I I , — `2 WITHIN 5 FROM POINT OF ,� .
<br /> NEAREST -�- 4 I � I I I I I � � _ — � ENTRY INTO BUfLDING (TYP) G DISTRIBUTION PANEL °'°����`��s�Rtio w4
<br /> GROUNDING � � � � I I I I I � AND{OR PANEL BOARD `�s;�N L���'�
<br /> ELECTRODE - -FOR 45KVA USE #6AWG � I I � � t/ �
<br /> I I I I I �
<br /> � FOR 75 KVA USE #2 AWG � � � �
<br /> GROUNDING G FOR 112.5 USE #1/OAWG I � � � � � KEY NOTES: GENERAL NOTES: N
<br /> ELECTRODE N �-� � I I i N • I I I t G .- �._
<br /> � � � �__ I 1 #3/0 COPPER WIRE. 1. THE GROUNDING SYSTEM IS DESIGNED FOR A MAXIMUM OF 25
<br /> � CONDUCTOR � ���� �- — — — — — — —� � � � I � I I I � �� OHMS UUHEN MEASURED FROM THE GROUND BUS TO THE SINGLE � �.���v- .._�.�._ ,.��_,� x�.�.�,
<br /> � � f I I � � • � � � • (� EXOTHERMIC WELD CONNECTION. POINT GROUND LOCATED OUTSIDE OF THE BUILDING ENVELOPE. � ��
<br /> � � -- � �SUPPL.Y SIDE � � � 2. GROUNDING SHOWN SHALL �E IN ACCORDANCE WITH THE LATEST �
<br /> � � BOUNDING JUMPERS� I � �� COPPERCLAD GROUND ROD. 3l4"X10' LOCATED 18"
<br /> � L�--� _ —`T�_ ��=T—_ _ _ �� � MINIMUM BELOW FINISHED GRADE. (TYPICAL) U.O.N. 3. BON ACROSSIWATOE ME ERS, E�RTICLE 250.
<br /> ISOLATED � _ � ^ _ _ _ _ _ _ _ _ _ _ _ � NEOU RAL�BAR 4. PROVIDE EXOTHERMIC WELDS (TYPICAL}
<br /> NEUTRAL BAR 5. SEE RISER DIAGRAM FOR GROUNDING ELECTRODE SIZE.
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<br /> ' � \� TYPI��L �IST'F�I �IJT'�C)N TR�N���F��/I�R �ROIJI��Il�� D��,�IL \ �YPICAL GR�IJ �lDIN� �1►'�l��M F��I� ��R`�II�E E�1�TR���� o ,
<br /> NOT TO SCALE 2 NOT TO SCALE �
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<br /> EMERGENCY UN-SWITCHED POWER SUPPLY
<br /> ' EMERGENCY EMERGENCY NEUTRAL
<br /> 'LIF� SAFETY' LIGHT NORMAL SWITCHED POWER SUPPLY
<br /> POW�R NORMAL POWER �t�/ITCH OR '
<br /> DISTRIBUTION DISTRIBUTION NORMAL UN-SWITCHED POWER SUPPLY .
<br /> PANEL 'INV' PANEL ���MTING NORMAL NEUTRAL 'INV' EMERGENCY
<br /> RELAY LIGHTING POUVER
<br /> ,.., ,..., INVERTER
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<br /> 20A- 20A-1 EMERGENCY J
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<br /> RELAY 1 P LIGHT
<br /> � N � W T R POW�R 20A,277 VAC BALLADT/
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<br /> � LIGHTING , dRIVEFt o
<br /> j QUAL EMERGENCY SHUNT RELAY (TYP) NPANELL RELAY �
<br /> � SYMBOL: EMR �R�W� LOW VOLTAGE � .
<br /> � _.., RED �
<br /> � BLUE W
<br /> � BLACK ' LINE VOLTAGE z �
<br /> �� TO ADDITfONAL VOLTAGE BAORST OC OC �S 20A, 277 VAC ° �
<br /> � LIGHTING. NORMAL BLACK 120V OR SENSING WHITE OCCUPANCY OCCUPANCY OVERRIDE �
<br /> U LIGHTING ONLY
<br /> ORANGE 277V DRIVER SENSOR SENSOR WALL
<br /> � WHITE SWITCH '
<br /> � NORMAL/ NORMAL/ HT/RED
<br /> � NORMAL NORMAL
<br /> EMERGENCY EMERG�NCY WHT/BLK NOTES: W
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<br /> � � LIGHTING LIGHTING �� o
<br /> � EMERGENCY POWER 1. ALL FIX7URES WITHIN 15` OF AN EXTERIQR WINDOW SHALL
<br /> � TO ADDITIONAL NEUTRAL BUS NEUTRAL �US TRANSFER RELAY (TYP) BE CONTROLLED BY DAY LIGHT HARV�ST SENSOR'dh'. .
<br /> � LIGHTING. NORMAL/ FROM NORMAL FROM EMERGENCY SYMBOL: GTD °z
<br /> � EMERGE�ICY LIGHTING. PANEL INVERTER 2. REFER TO LIGHTING PLAN FOR DEVICE LOCATIONS.
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<br /> � Designed MB
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<br /> Drawn: HF
<br /> ° `\ ��11����NCY LIC�N�I �l� f��L�Y ��A��A� 2�701 -- ��i1R '\ �I�ER��N�Y LI�HT1 �1� R�LAY �IR�R�.I� �1�D � �lt'�It�AL LI�HTIIV� ��N�F��L D��"AIL Reviewed: JK/JJ
<br /> 0 Scale: 12"= 1'-0"
<br /> � � NOT TO SCALE 4 NOT TO SCALE `5 NOT TO SCALE Project No. 1900494
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<br /> � -_- � �-- Date: 04/19/2019
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<br /> � Title��m ,�nQ� �,,.n,��., �.,�,
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<br /> � ELECTRICAL PART
<br /> � PLANS & DETAILS
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<br /> OO 2017 BL COMPANIES,WC. THESE DRAWINGS SHALL NOT BE UTILIZED BY ANY PERSON,FIRM OR CORPQRATION WITHOUTTHE SPECIFIC WRITfEN PERMISSION OF BL COMPANIES.
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