06.00 POLE TYPE TRANSFORMERS- GENERAL 06.02 FUSING …

1 TRANSFORMER DIMENSIONS, WEIGHTS AND OIL CAPACITIESSTANDARD OVERHEAD DISTRIBUTION TRANSFORMERSPOLEMOUNT TRANSFORMER MARKINGSDISTRIBUTION TRANSFORMER POLICIESAPPLICATION OF WILDLIFE GUARDS ON TRANSFORMER BUSHINGSTRANSFORMER CODE DESCRIPTIONTRANSFORMER FUSE TABLETRANSFORMER RISER SIZESDELTA SECONDARY TRANSFORMER BUS SIZESTRANSFORMER SECONDARY CONNECTION DETAILSSINGLE-PHASE TRANSFORMER INSTALLATIONS GENERAL POLICIESTRANSFORMER BANK MOUNTING BRACKETSPOLE MOUNTED TRANSFORMER CATALOG NUMBERSSECONDARY LEAD SPECIFICATIONSTRANSFORMER CUTOUT BRACKETSSINGLE-PHASE TRANSFORMER MOUNTING DIMENSIONSOPEN-WYE OPEN-DELTA TRANSFORMER BANKS GENERAL POLICIESDISTRIBUTION TRANSFORMER POLARITYOPEN-WYE OPEN-DELTA TRANSFORMER BANKS

2 MOUNTING DIMENSIONSTHREE-PHASE TRANSFORMER BANKS GENERAL POLICIESTHREE-PHASE TRANSFORMER BANK MOUNTING DIMENSIONSTHREE-PHASE PLATFORM MOUNTING OF transformers ALL VOLTAGESSECTION 6 - POLE MOUNTED TRANSFORMERSTABLE OF WILDLIFE POLE TYPE transformers - CONDUCTORS AND CUTOUTS AND MOUNTING INSTALLATIONS AND BANKING MOUNTING PLATFORMSTWO POLE ALUMINUM PLATFORM 16' - HEAVY TRANSFORMER BANK SECONDARY CONNECTIONS GENERALREVISEDBYCK'D TRANSFORMER LOADING (OH)MAXIMUM TRANSFORMER LOADING (OH) BANK MOUNTING CONSTRUCTION SINGLE-PHASE TRANSFORMER BANK MOUNTING TRANSFORMER MOUNTING DIMENSIONS POLE ALUMINUM PLATFORM 16' - HEAVY 6 - POLE MOUNTED TRANSFORMERSTABLE OF CONTENTSPOLARITY - 208Y/120 VOLT THREE-PHASE SERVICE600 VOLT THREE-PHASE THREE WIRE SERVICEPOLARITY - 480 VOLT 3 PHASE 3 WIRE (OPEN-DELTA)

3 SERVICEDISTRIBUTION TRANSFORMER CONNECTIONS - SUBTRACTIVE POLARITY -DISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEPOLARITY - 480 VOLT THREE-PHASE THREE WIRE SERVICEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEPOLARITY - 208Y/120 VOLT THREE-PHASE SERVICEDISTRIBUTION TRANSFORMER CONNECTIONS 167 KVA - ADDITIVE AND SUBTRACTIVEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEPOLARITY - 208Y/120 VOLT THREE-PHASE - 240/120 VOLT THREE-PHASE SERVICEPOLARITY - 240/120 VOLT THREE-PHASE SERVICEPOLARITY - 120/240 AND 240/480 VOLT SINGLE-PHASE SERVICEPOLARITY - 120 VOLT TWO WIRE SERVICEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEPOLARITY - 240/120 VOLT THREE-PHASE (OPEN-DELTA) SERVICEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEPOLARITY - 120/240 VOLT SINGLE-PHASE AND 240/120 VOLT THREE-PHASEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND - 480/277 THREE-PHASE FOUR WIRE SERVICES021 REVISEDBYCK'D APPR.

4 (OPEN-DELTA) SERVICEWYE-DELTA TRANSFORMER BANKS OPERATING PROCEDURES TO PREVENTTRANSFORMER LOAD & VOLTAGE CUTOUT FOR FLOATING WYE-DELTA TRANSFORMER (POLE-MOUNT)3 ELKINS11/23 TRANSFORMERSOVER VOLTAGES OPERATING POLARITYELKINS8/27/12 KATIGBAK BURLISONADCOCK10/9/13 KATIGBAKGUINN4160Y/2400 THREE-PHASE FOUR-WIRE SERVICESDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND SUBTRACTIVE POLARITY - 480 VOLT 3 PHASE 4 WIRE (OPEN-DELTA) SERVICEDISTRIBUTION TRANSFORMER CONNECTIONS - ADDITIVE AND HVLA304 LSS25 KVAISLA240/480 NOTES:1. NAMEPLATE LOCATED ON UPPER HANGER VOLTAGE IFOTHER THAN 120/240 VOLT RATINGFOR UNITS WITH INTERNALMOV SECONDARY FOR UNITS WITH SIZE304 LSS INDICATES 304 LSTAINLESS STEELHIGH VOLTAGE LIGHTNING ARRESTERFOR UNITS WITH AN INTERNALCATALOG NUMBERNON-PCB DECALPOLEMOUNT TRANSFORMER 'D10/14 CONV277/480Y277/480Y277/480Y120/240277/4 80Y277/480Y2 2-1/2% A&BN1HV CONV1HV CONV1HV CONV2HV CONV2HV CONV2HV CONV277/480Y277/480Y277/480Y277/480Y277/ 480Y277/480Y277/480Y240/480240/480240/48 0240/480120/240120/240120/240120/240120/ 240120/240120/240120/240120/2402HV CONV1HV HVLA1HV HVLA1HV HVLA4 2-1/2% BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2%

5 A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN4 2-1/2% BNNTNTNT1HV CONV1HV CONV1HV CONV1HV CONV1HV CONV2HV CONV2HV CONV2HV CONV1HV CONV1HV CONV1HV CONV1HV CONV120/240120/240120/240120/240120/2401 20/2404 2-1/2% BN4 2-1/2% BN4 2-1/2% BN4 2-1/2% BN4 2-1/2% BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2 2-1/2% A&BN2HV CONV2HV CONV2HV CONV2HV CONV2HV CONV2HV CONV2HV CONV2HV CONV2HV CONVCATALOGNUMBERPOLE MOUNTED TRANSFORMER CATALOG 'D92201261161512470 GRDY/7200120/2401HV HVLANT13021403333337200/12470Y240/4802 2-1/2% A&BN2HV CONV130315025025012470 GRDY/7200277/480Y2 2-1/2% A&BN1HV CONV14011401007620/13200Y1002HV CONV120/2402 2-1/2% A&BNNOTES:IN DESIGNATED COASTAL SEE DWG.

6 FOR STAINLESS STEEL POLE TYPE transformers . THESE UNITS ARE TO BE USED ONLYCOMPATIBLEUNIT13011403333337200/1247 0Y120/2402 2-1/2% A&BN2HV CONV13031401001007200/12470Y277/480Y2 2-1/2% A&BN2HV CONV13031401671677200/12470Y277/480Y2 2-1/2% A&BN2HV CONV13031402502507200/12470Y277/480Y2 2-1/2% A&BN2HV CONV13031403333337200/12470Y277/480Y2 2-1/2% A&BN2HV CONV14011401677620/13200Y1672HV CONV120/2402 2-1/2% A&BN1101140025252400/4160Y120/2402HV CONV2 2-1/2% A&BN1101140050502400/4160Y120/2402HV CONV2 2-1/2% A&BN1101120050502400/4160Y120/2402HV CONVNTNEW UNITS NO LONGER PURCHASED. CHECK ON AVAILABILITY PRIOR TO CONVNTTFO3SM12CF**8/27/12 SIMMONS17031500252524940 GRDY/144001HV CONV277/480Y4 2-1/2% BNTFO25 STM25 FFBURLISONELKINS2/20/13 SIMMONSDANNAADCOCK9220250777324940 GRDY/14400120/2401HV CONVNTTFO3SM25CF8/9/13 SIMMONS4 DANNAADCOCK11/23/10 SIMMONSGUINNELKINSTRANSFORMERSVOLTAGETYP EFRAMINGGENERAL NOTESFUSE, SIZE, TYPE 120/240 MOV ARRESTERWITH EXTERNALSINGLE BUSHING"L" BRACKETCUTOUTS ONLY ONWITH EXTERNAL MOV ARRESTERCONVENTIONAL TRANSFORMER STANDARD SINGLE BUSHING120/240 DOUBLE BUSHINGCONVENTIONALWITH EXTERNAL ON "L" BRACKETSCUTOUTS ONLYCONVENTIONAL TRANSFORMERSTANDARD DOUBLE BUSHINGSTANDARD SINGLE BUSHINGMATCH.

7 DO NOT MIX WITHOPEN DELTA BANKS, CAN MIX ORTRANSFORMERS. CAN BE USED INSINGLE BUSHING EXTERNAL MOV,WITH EXTERNALSINGLE BUSHING120/240 CUTOUTS ONLY ONBACK TO BACK"L" BRACKETSDELTAOPENWITHOUT IN CLOSED DELTAUSE SINGLE BUSHINGDELTA-"CLOSED DELTA." DO NOTCONVENTIONAL IN 3 POT BANK Y-STANDARD DOUBLE BUSHING 6:,7&+ $50 ARRESTERS ON CUTOUTS ANDCONVENTIONALDOUBLE BUSHINGDELTACLOSED120/240 208Y/120 WITH EXTERNALSINGLE BUSHING 6:,7&+ $50 CUTOUTS ONLY ONW/ EXTERNAL MOV ARRESTERSTANDARD SINGLE BUSHINGMOV ARRESTER 480Y/277 SINGLE BUSHINGCONVENTIONALWITH EXTERNAL 6:,7&+ $50 CUTOUTS ONLY ONTRANSFORMER. USED IN 277/480 SINGLE BUSHING CONVENTIONALWITH EXTERNAL MOV ARRESTERY/Y ARRESTERARRESTER WILL COME ONSECONDARY INTERNAL-DCS-NOTEUNITS WILL HAVE ISLASOME UNITS.

8 THESE KVA SIZE STICKER. DO THE TANK AROUND THEOR ISG STENCILLED ONPREVIOUSLY, OR ISG FOR THE MISTAKE THES ISLAEXTERNAL MOV ARRESTERTRANSFORMERS DO NOTNEED A POLE ARRESTERWITH THE = HIGH VOLTAGELIGHTNING ARRESTERSECONDARY LIGHTNINGISLA = INTERNALSECONDARY GAPISGA = INTERNALARRESTERARRESTERSEE ATTACHED STANDARDFUSING CHARTFOR ALLTRANSFORMERSTRANSFORMERSUSE STANDARDFUSING CHARTFOR ALLSTANDARD OVERHEAD DISTRIBUTION 'D3/17/14 SIMMONSDANNAADCOCKMOV ARRESTERWITH EXTERNAL MOV ARRESTERTRANSFORMERS WERE PURCHASED WITH INTERNAL HIGH VOLTAGEARRESTERS (UNDER OIL). THESE UNITS HAD "HVLA" STENCILED ON THE TANK. ALL NEW OVERHEADTRANSFORMERS SHOULDHAVE A MOV ARRESTER MOUNTED EXTERNALLY ON THE TRANSFORMER.

9 (INTERNAL UNDER OIL)Y/Y Y/YNOTES: 1. NOTE: ANY TRANSFORMER THAT DOES NOT HAVE AN EXTERNAL MOV ARRESTER (ATTACHED TO THE TRANSFORMER) MUST HAVE ONE ADDED ADJACENT TO H1 BUSHING EXCEPT ON FLOATING WYE-DELTA BANKS(SEE DWG. ).CUTOUTS. (SEE SOURCE SIDE OFBE LOCATED ONTRANSFORMER MOVDWG. )ARRESTERS TOMOV ARRESTER8/1 X Y X Y X Y X Y X Y DUALCODE05061/0080712111413161518172400/ 4800 SECONDARY 121413111004030201 CODE277240/480120/2402400480072007620120 /240 208Y/120 480Y216Y/1252400A4160 GRDCODE11121314151718 OIL SILICONE717273747577781 BUSHING BUSHING BUSHING CONV. WITH TAPS2 BUSHING CONV. WITH TAPS1 BUSHING CSP2 BUSHING BUSHING MOUNTTYPESPECIAL FINISHSPECIAL FINISHWITHOUT TAPSWITHOUT TAPSY/2400 KVA SIZEOIL SILICONEPAD MOUNTDEADFRONT MOV UNDER OILDEADFRONT LOOP STAINLESSDEADFRONT RADIALDEADFRONT LOOPLIVE FRONT WITHOUT SWITCHLIVE FRONT WITH SWITCH2624842383228221812585 OIL SILICONE706968676665 PCB6162631(7:25.)

10 3$' 9$8/7 VAULT/NETWORK GRD EXAMPLETRANSFORMER CODE NO. 13-01-14-0025 THIS TRANSFORMER CODE NO. DESCRIBES:(14)(01)(13)(0025)SINGLE-PHASE GRD VOLTPOLE MOUNTED DOUBLE BUSHING25 KVA TRANSFORMERCONV. WITH TAPS GRD X GRD DUALOIL SILICONESPECIAL TYPE333231525141 SUBMERSIBLE PIT WITH SWITCHSUBMERSIBLE PIT WITHOUTSWITCHDEADFRONT DRY TYPE1 BUSH W/ PLUG FORCAPACITOR BANK2 BUSH W/ PLUG FORSUBMERSIBLE DEADFRONT LOOPCAPACITOR BANK130156130154130153130155130191130192 130199130195130194130193 3$' :,7+ (;7(51$/ 6(&21'$5< $55(67(5 3$' :,7+ ,17(5/$&(' :,1',1*6 3$' :,7+ (;7(51$/ *$3 $55(67(5 POLE TYPE WITH INTERNAL MOV ARRESTER (ISLA)POLE TYPE WITH EXTERNAL GAP ARRESTER (ELSA)POLE TYPE WITH INTERLACE WINDINGSPOLE TYPE TOROLORM COREPOLE TYPE WITH INTERNAL ARRESTERPOLE TYPE WITH MAGNAX INTERRUPTERPOLE TYPE WITH AMORPHOUS CORETHIS CODE NUMBER IS ASSEMBLED AS FOLLOWS:PHASE ANDPRIMARY VOLTAGESECONDARY VOLTAGETYPE AND SPECIAL FEATUREKVA SIZEXXXXXXXXXX TRANSFORMER CODE 'DSTORES.)))))))))))