OH 2 Transformers

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Overhead Electric Distribution Standards Revised: July 1, 2004 Revised By: TAC Approved By: KKR TRANSFORMERS TR - 1 TRANSFORMERS 1) This section shows different configurations of one, two, and three-phase transformers for the 4kV, 13.2kV, and 26.4kV primary systems used by JEA. 2) On one, two, and three-phase vertical structures, the cutout/arrester bracket shall always be mounted behind the bottom phase even if the lowest phase is not present. The top transformer bolt will always be 54 inches below the top bolt of the cutout/arrester bracket. 3) For horizontal construction, the cutout/arrester bracket shall always be mounted 43 inches below the crossarm mounting bolt. For step-down application, the second crossarm shall always be 54 inches below the top transformer bolt. 4) Jumper pin locations are listed in a table within this section and must be used to support primary jumpers. Call for the sub-structures as indicated in the table. 5) Caution shall be observed if installing a streetlight with the 8’ rise bracket on poles with 100kVA or larger transformers. No other equipment shall be mounted on the same pole with a transformer. Standard clearances will be strictly observed when mounting streetlights and taking primary taps from the same pole. 6) Transformers installed on structures utilizing aerial cable should be treated as if it was bare primary. No special plates are required. 7) Transformers are NOT to be installed on corner poles with the following exceptions: Definition: Any structure, single or multiple-phase, where the primary creates a 90 degree angle or thereabouts. Rules and allowable exceptions: i) No three-phase corner poles and/or three-phase tap poles will have transformers installed on them. ii) On a 90 degree single-phase 45’ pole with primary mounted in the A-phase position, the cutout/arrester bracket for a transformer may be installed in the B-phase holes and still have 54” of clearance to the transformer. iii) On a single-phase tap pole, the lateral fuse cutout can be installed with the transformer cutout, provided they are mounted on opposite sides of the pole. iv) On three-phase tangent poles, A and B-phase may be tapped with a single-phase transformer on C-phase. v) No more than three cutouts shall be installed on a pole. 8) Hot-line clamps are not part of the transformer plates and must be plated separately. 9) Plate options are listed on each page in the upper left-hand corner of each construction standard. 10) For proper energizing and de-energizing procedures when working with closed-delta transformer banks, refer to Standards Bulletin SB-29. This bulletin also addresses the application and installation of a temporary grounding switch for nuisance banks.

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Electrical Engineering

Transcript of OH 2 Transformers

Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 1 TRANSFORMERS 1)Thissectionshowsdifferentconfigurationsofone,two,andthree-phasetransformersforthe4kV, 13.2kV, and 26.4kV primary systems used by JEA. 2)On one, two, and three-phase vertical structures, the cutout/arrester bracket shall always be mounted behind the bottom phase even if the lowest phase is not present.The top transformer bolt will always be 54 inches below the top bolt of the cutout/arrester bracket. 3)For horizontal construction, the cutout/arrester bracket shall always be mounted 43 inches below the crossarm mounting bolt.For step-down application, the second crossarm shall always be 54 inches below the top transformer bolt. 4)Jumperpinlocationsarelistedinatablewithinthissectionandmustbeusedtosupportprimary jumpers.Call for the sub-structures as indicated in the table. 5)Cautionshallbeobservedifinstallingastreetlightwiththe8risebracketonpoleswith100kVAor largertransformers.Nootherequipmentshallbemountedonthesamepolewithatransformer.Standard clearances will be strictly observed when mounting streetlights and taking primary taps from the same pole. 6)Transformers installed on structures utilizing aerial cable should be treated as if it was bare primary.No special plates are required. 7)Transformers are NOT to be installed on corner poles with the following exceptions: Definition:Any structure, single or multiple-phase, where the primary creates a 90 degree angle or thereabouts. Rules and allowable exceptions: i)No three-phase corner poles and/or three-phase tap poles will have transformers installed on them. ii)Ona90degreesingle-phase45polewithprimarymountedintheA-phaseposition,the cutout/arresterbracketforatransformermaybeinstalledintheB-phaseholesandstill have 54 of clearance to the transformer. iii)Onasingle-phasetappole,thelateralfusecutoutcanbeinstalledwiththetransformer cutout, provided they are mounted on opposite sides of the pole. iv)Onthree-phasetangentpoles,AandB-phasemaybetappedwithasingle-phase transformer on C-phase.v)No more than three cutouts shall be installed on a pole.8)Hot-line clamps are not part of the transformer plates and must be plated separately. 9)Plate options are listed on each page in the upper left-hand corner of each construction standard. 10)Forproperenergizingandde-energizingprocedureswhenworkingwithclosed-deltatransformer banks, refer to Standards Bulletin SB-29.This bulletin also addresses the application and installation of a temporary grounding switch for nuisance banks. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 2 11)Transformer Secondary Downlead Sizes*: Transformer SizeConductor SizeInsulation Type 10-15kVA2/0 CopperRHW or USE 25-50kVA*4/0 Copper*RHW or USE 75kVA and larger500KCM CopperRHW or USE *SecondaryDownleadsshallnotbeutilizedforsingle-phase25&50kVAtransformer installations (all primary voltages). Plates for 25 & 50 kVA single-phase transformers include the CNNTS007 multi-tap connectors. 12)ThreeNEWoptionshavebeenaddedtothetransformerplates.Forsingle-phasetransformer plates,optionshavebeenaddedtoprovide240/480Vtransformers.Forthree-phasetransformer plates,optionshavebeenaddedtosupply120/208Vor277/480Vtransformers.Seethefollowing examples: DGA*50/480= 26.4kV, 1, 50kVA transformer, 240/480V DGC*50/208= 26.4kV, 3 bank, 3-50kVA transformers, 120/208V RGC*75/480= 4kV, 3 bank, 3-75kVA transformers, 277/480V NOTE:Only plates DGC*25/208, DGC*50/208, and DGC*75/208, supply transformers that have already had their secondary internal taps changed to provide 208V.All other 208 transformer options must have their internal taps changed in the field or prior to issue by the storeroom. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 3 JUMPER PIN LOCATION TABLE *Indicates hole must be field drilled Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 4 TRANSFORMER WIRING DIAGRAM SINGLE-PHASE CONNECTION 120/240 VOLT, 1-PHASE, 3-WIRE SERVICE Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 5 TRANSFORMER WIRING DIAGRAM OPEN-WYE, OPEN-DELTA CONNECTION 120/240 VOLT, 3-PHASE, 4-WIRE SERVICE Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 6 TRANSFORMER WIRING DIAGRAM UNGROUNDED WYE-DELTA CONNECTION 120/240 VOLT, 3-PHASE, 4-WIRE SERVICE Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 7 TRANSFORMER WIRING DIAGRAM GROUNDED WYE, GROUNDED WYE CONNECTION 120/208 VOLT, 3-PHASE, 4-WIRE SERVICE Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 8 TRANSFORMER WIRING DIAGRAM GROUNDED WYE, GROUNDED WYE CONNECTION 277/480 VOLT, 3-PHASE, 4-WIRE SERVICE Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 9 TRANSFORMER WIRING DIAGRAM FOR REFERENCE ONLY UNGROUNDED WYE-DELTA CONNECTION 240/480 VOLT, 3-PHASE, 4-WIRE SERVICE Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 10 RGA SINGLE-PHASE TRANSFORMER 4kV OPTIONS:10, 15, 25, 50, 75, 100, 167, 50/480 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0011ARRESTER, LIGHTNING, 3KV, POLYMER MOV (DIST.) 2BOL MS 0202BOLT, MACHINE, SQUARE HEAD, 5/8X14 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BKT AC 0011BRACKET, ARRESTER AND CUTOUT, POLE MOUNTED * 5CAI RH ***22GENERAL CODE FOR COPPER RHW CABLE 6CLA TG 0011CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 7COB CO 02820CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 8CNN VG 0032CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 9CUT OT 0041CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 10FUS OH ***1GENERAL CODE FOR FUSE-LINK 11TRA CA ***1GENERAL CODE FOR TRANSFORMER 12WAS RD 0042WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 13WAS RD 0054WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 14WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 15WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT ** 16CNNTS0073 CONNECTOR, TRANSFORMER SECONDARY SET SCREW TYPE WITH INHIBITOR STUD, RANGE:10 500, 6 HOLES * NOT ISSUED WITH 25 & 50 KVA TRANSFORMERS ** ONLY ISSUED WITH 25 & 50 KVA TRANSFORMERS MULTI-TAP INSTALLATION 1.Tie one secondary neutral to the mainline neutral and then continue that secondary neutral to the multi-tap connector. 2.Tie the remaining secondary neutrals directly to the multi-tap connector. 3.Take one continuous piece of #4 solid copper and run it from the multi-tap connector to the tank groundsthen to the pole ground. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 11 RGA SINGLE-PHASE TRANSFORMER 4kV MOUNT CUTOUTS IN THE SAME DIRECTION OR PLANE AS THE PRIMARY CONDUCTOR. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 12 RGB TWO-PHASE TRANSFORMER BANK 4kV OPTIONS:10-10, 15-10, 15-15, 25-10, 25-15, 25-25, 50-10, 50-15, 50-25, 50-50, 75-25, 75-50, 75-75,100-50, 100-75, 100-100, 167-75, 167-100, 167-167 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0012ARRESTER, LIGHTNING, 3KV, POLYMER MOV (DIST.) 2BOL MS 0154BOLT, MACHINE, SQUARE HEAD, 5/8X2 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BOL MS 0362BOLT, MACHINE, SQUARE HEAD, 3/4X14 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6BKT TM 0012BRACKET, TRANSFORMER MOUNTING 7CAI RH ***45GENERAL CODE FOR COPPER RHW CABLE 8CLA TG 0012CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 9COB CO 02842CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 10CNN VG 0034CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 11CUT OT 0042CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***2GENERAL CODE FOR FUSE-LINK 13TRA CA ***2GENERAL CODE FOR TRANSFORMER 14WAS RD 0044WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 00510WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0032WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 13 RGB TWO-PHASE TRANSFORMER BANK 4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 14 RGC THREE-PHASE TRANSFORMER BANK 4kV OPTIONS:75-75, 100-75, 100-100, 167-100, 167-167,25/208, 50/208, 75/208, 100/208, 167/208,50/480, 75/480, 100/480, 167/480 NOTE:25-167kVA TRANSFORMERS MUST HAVE THEIR INTERNAL SECONDARY TAPS CHANGED IN THE FIELD OR PRIOR TO ISSUE IN ORDER TO PROVIDE 208 VOLTAGE. BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0013ARRESTER, LIGHTNING, 3KV, POLYMER MOV (DIST.) 2BOL MS 0156BOLT, MACHINE, SQUARE HEAD, 5/8X2 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BOL MS 0364BOLT, MACHINE, SQUARE HEAD, 3/4X14 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6BKT TM 0013BRACKET, TRANSFORMER MOUNTING 7CAI RH ***32GENERAL CODE FOR COPPER RHW CABLE 8CLA TG 0013CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 9COB CO 02860CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 10CNN VG 0036CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 11CUT OT 0043CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***3GENERAL CODE FOR FUSE-LINK 13TRA CA ***3GENERAL CODE FOR TRANSFORMER 14WAS RD 0046WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 00514WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0026WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 15 RGC THREE-PHASE TRANSFORMER BANK 4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 16 WGA SINGLE-PHASE TRANSFORMER 13.2kV OPTIONS:10, 15, 25, 50, 75, 100, 167, 50/480 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0021ARRESTER, LIGHTNING, 10KV, POLYMER MOV (DIST.) 2BOL MS 0202BOLT, MACHINE, SQUARE HEAD, 5/8X14 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BKT AC 0011BRACKET, ARRESTER AND CUTOUT, POLE MOUNTED * 5CAI RH ***22GENERAL CODE FOR COPPER RHW CABLE 6CLA TG 0011CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 7COB CO 02820CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 8CNN VG 0032CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 9CUT OT 0041CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 10FUS OH ***1GENERAL CODE FOR FUSE-LINK 11TRA CD ***1GENERAL CODE FOR TRANSFORMER 12WAS RD 0042WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 13WAS RD 0054WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 14WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 15WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT ** 16CNNTS0073 CONNECTOR, TRANSFORMER SECONDARY SET SCREW TYPE WITH INHIBITOR STUD, RANGE:10 500, 6 HOLES * NOT ISSUED WITH 25 & 50 KVA TRANSFORMERS ** ONLY ISSUED WITH 25 & 50 KVA TRANSFORMERS MULTI-TAP INSTALLATION 1.Tie one secondary neutral to the mainline neutral and then continue that secondary neutral to the multi-tap connector. 2.Tie the remaining secondary neutrals directly to the multi-tap connector. 3.Take one continuous piece of #4 solid copper and run it from the multi-tap connector to the tank groundsthen to the pole ground. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 17 WGA SINGLE-PHASE TRANSFORMER 13.2kV MOUNT CUTOUTS IN THE SAME DIRECTION OR PLANE AS THE PRIMARY CONDUCTOR. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 18 WGB TWO-PHASE TRANSFORMER BANK 13.2kV OPTIONS:10-10, 15-10, 15-15, 25-10, 25-15, 25-25, 50-10, 50-15, 50-25, 50-50, 75-25, 75-50, 75-75,100-50, 100-75, 100-100, 167-100, 167-167 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0022ARRESTER, LIGHTNING, 10KV, POLYMER MOV (DIST.) 2BOL MS 0154BOLT, MACHINE, SQUARE HEAD, 5/8X2 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BOL MS 0362BOLT, MACHINE, SQUARE HEAD, 3/4X14 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6BKT TM 0012BRACKET, TRANSFORMER MOUNTING 7CAI RH ***45GENERAL CODE FOR COPPER RHW CABLE 8CLA TG 0012CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 9COB CO 02842CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 10CNN VG 0034CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 11CUT OT 0042CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***2GENERAL CODE FOR FUSE-LINK 13TRA CD ***2GENERAL CODE FOR TRANSFORMER 14WAS RD 0044WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 00510WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0032WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 19 WGB TWO-PHASE TRANSFORMER BANK 13.2kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 20 WGC THREE-PHASE TRANSFORMER BANK 13.2kV OPTIONS:75-75, 100-75, 100-100, 167-100, 167-167,25/208, 50/208, 75/208, 100/208, 167/208,50/480, 75/480, 100/480, 167/480NOTE:25-167kVA TRANSFORMERS MUST HAVE THEIR SECONDARY INTERNAL TAPS CHANGED IN THE FIELD TO PROVIDE 208 VOLTAGE. BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0023ARRESTER, LIGHTNING, 10KV, POLYMER MOV (DIST.) 2BOL MS 0156BOLT, MACHINE, SQUARE HEAD, 5/8X2 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BOL MS 0364BOLT, MACHINE, SQUARE HEAD, 3/4X14 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6BKT TM 0013BRACKET, TRANSFORMER MOUNTING 7CAI RH ***32GENERAL CODE FOR COPPER RHW CABLE 8CLA TG 0013CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 9COB CO 02860CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 10CNN VG 0036CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 11CUT OT 0043CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***3GENERAL CODE FOR FUSE-LINK 13TRA CD ***3GENERAL CODE FOR TRANSFORMER 14WAS RD 0046WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 00514WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0026WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 21 WGC THREE-PHASE TRANSFORMER BANK 13.2kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 22 DGA SINGLE-PHASE TRANSFORMER 26.4kV OPTIONS:10, 15, 25, 50, 75, 100, 167, 25/480, 50/480, 75/480 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0031ARRESTER, LIGHTNING, 21KV, POLYMER MOV (DIST.) 2BOL MS 0202BOLT, MACHINE, SQUARE HEAD, 5/8X14 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BKT AC 0011BRACKET, ARRESTER AND CUTOUT, POLE MOUNTED * 5CAI RH ***22GENERAL CODE FOR COPPER RHW CABLE 6CLA TG 0011CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 7COB CO 02820CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 8CNN VG 0032CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 9CUT OT 0041CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 10FUS OH ***1GENERAL CODE FOR FUSE-LINK 11TRA ** ***1GENERAL CODE FOR TRANSFORMER 12WAS RD 0042WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 13WAS RD 0054WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 14WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 15WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT ** 16CNNTS0073 CONNECTOR, TRANSFORMER SECONDARY SET SCREW TYPE WITH INHIBITOR STUD, RANGE:10 500, 6 HOLES * NOT ISSUED WITH 25 & 50 KVA TRANSFORMERS ** ONLY ISSUED WITH 25 & 50 KVA TRANSFORMERS MULTI-TAP INSTALLATION 4.Tie one secondary neutral to the mainline neutral and then continue that secondary neutral to the multi-tap connector. 5.Tie the remaining secondary neutrals directly to the multi-tap connector. 6.Take one continuous piece of #4 solid copper and run it from the multi-tap connector to the tank groundsthen to the pole ground. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 23 DGA SINGLE-PHASE TRANSFORMER 26.4kV MOUNT CUTOUTS IN THE SAME DIRECTION OR PLANE AS THE PRIMARY CONDUCTOR. Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 24 DGB TWO-PHASE TRANSFORMER BANK 26.4kV OPTIONS:10-10, 15-10, 15-15, 25-10, 25-15, 25-25, 50-10, 50-15, 50-25, 50-50, 75-10, 75-15, 75-25,75-50, 75-75, 100-10, 100-15, 100-25, 100-50, 100-75, 100-100, 167-10, 167-15, 167-25,167-50, 167-75, 167-100, 167-167 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0032ARRESTER, LIGHTNING, 21KV, POLYMER MOV (DIST.) 2BOL MS 0154BOLT, MACHINE, SQUARE HEAD, 5/8X2 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BOL MS 0362BOLT, MACHINE, SQUARE HEAD, 3/4X14 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6BKT TM 0012BRACKET, TRANSFORMER MOUNTING 7CAI RH ***45GENERAL CODE FOR COPPER RHW CABLE 8CLA TG 0012CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 9COB CO 02842CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 10CNN VG 0034CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 11CUT OT 0042CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***2GENERAL CODE FOR FUSE-LINK 13TRA ** ***2GENERAL CODE FOR TRANSFORMER 14WAS RD 0044WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 00510WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0032WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 25 DGB TWO-PHASE TRANSFORMER BANK 26.4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 26 DGC THREE-PHASE TRANSFORMER BANK 26.4kV OPTIONS:75-75, 100-75, 100-100, 167-100, 167-167,25/208, 50/208, 75/208, 100/208, 167/208,50/480, 75/480, 100/480, 167/480 NOTE:100kVA AND 167kVA TRANSFORMERS MUST HAVE THEIR INTERNAL SECONDARY TAPS CHANGED IN THE FIELD TO PROVIDE 208 VOLTAGE. BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0033ARRESTER, LIGHTNING, 21KV, POLYMER MOV (DIST.) 2BOL MS 0156BOLT, MACHINE, SQUARE HEAD, 5/8X2 3BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 4BOL MS 0364BOLT, MACHINE, SQUARE HEAD, 3/4X14 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6BKT TM 0013BRACKET, TRANSFORMER MOUNTING 7CAI RH ***32GENERAL CODE FOR COPPER RHW CABLE 8CLA TG 0013CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 9COB CO 02860CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 10CNN VG 0036CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 11CUT OT 0043CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***3GENERAL CODE FOR FUSE-LINK 13TRA ** ***3GENERAL CODE FOR TRANSFORMER 14WAS RD 0046WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 00514WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0026WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 27 DGC THREE-PHASE TRANSFORMER BANK 26.4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 28 DGRA SINGLE-PHASE STEP-DOWN TRANSFORMER 26.4kV TO 4kV OPTIONS:50, 75, 100, 167, 250 BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0011ARRESTER, LIGHTNING, 3KV, POLYMER MOV (DIST.) 2ARR LI 0031ARRESTER, LIGHTNING, 21KV, POLYMER MOV (DIST.) 3BOL MS 0202BOLT, MACHINE, SQUARE HEAD, 5/8X14 4BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 5BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 6CAI RH ***22GENERAL CODE FOR COPPER RHW CABLE 7CLA TG 0011CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 8COB CO 02820CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 9CNN VG 0032CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 10CUT OT X011CUTOUT, FUSED, 125KV BIL, 100 AMP, 27KV 11CUT OT 0041CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 12FUS OH ***2GENERAL CODE FOR FUSE-LINK 13TRA SB ***1GENERAL CODE FOR TRANSFORMER 14WAS RD 0042WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 15WAS RD 0054WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 16WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 17WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 29 DGRA SINGLE-PHASE STEP-DOWN TRANSFORMER 26.4kV TO 4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 30 DGRB TWO-PHASE STEP-DOWN TRANSFORMER BANK 26.4kV TO 4kV OPTIONS:50, 75, 100, 167, 250BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0012ARRESTER, LIGHTNING, 3KV, POLYMER MOV (DIST.) 2ARR LI 0032ARRESTER, LIGHTNING, 21KV, POLYMER MOV (DIST.) 3BOL MS 0154BOLT, MACHINE, SQUARE HEAD, 5/8X2 4BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 5BOL MS 0362BOLT, MACHINE, SQUARE HEAD, 3/4X14 6BKT AC 0038BRACKET, ARRESTER OR CUTOUT, CROSSARM MOUNTING 7BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 8BKT TM 0012BRACKET, TRANSFORMER MOUNTING 9CLA TG 0012CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 10COB CO 02840CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 11CNN VG 0034CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 12CUT OT X012CUTOUT, FUSED, 125KV BIL, 100 AMP, 27KV 13CUT OT 0042CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 14FUS OH ***4GENERAL CODE FOR FUSE-LINK 15TRA SB ***2GENERAL CODE FOR TRANSFORMER 16WAS RD 0044WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 17WAS RD 0056WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 18WAS SP 0022WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 31 DGRB TWO-PHASE STEP-DOWN TRANSFORMER BANK 26.4kV TO 4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 32 DGRC THREE-PHASE STEP-DOWN TRANSFORMER BANK 26.4kV TO 4kV OPTIONS:50, 75, 100, 167, 250BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ARR LI 0013ARRESTER, LIGHTNING, 3KV, POLYMER MOV (DIST.) 2ARR LI 0033ARRESTER, LIGHTNING, 21KV, POLYMER MOV (DIST.) 3BOL MS 0156BOLT, MACHINE, SQUARE HEAD, 5/8X2 4BOL MS 0352BOLT, MACHINE, SQUARE HEAD, 3/4X12 5BOL MS 0364BOLT, MACHINE, SQUARE HEAD, 3/4X14 6BKT AC 0036BRACKET, ARRESTER OR CUTOUT, CROSSARM MOUNTING 7BKT AC 0021BRACKET, ARRESTER AND CUTOUT, TRI-MOUNT 8BKT TM 0013BRACKET, TRANSFORMER MOUNTING 9CLA TG 0012CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 10COB CO 02860CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 11CNN VG 0036CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 12CUT OT X013CUTOUT, FUSED, 125KV BIL, 100 AMP, 27KV 13CUT OT 0043CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 14FUS OH ***6GENERAL CODE FOR FUSE-LINK 15TRA SB ***3GENERAL CODE FOR TRANSFORMER 16WAS RD 0046WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 17WAS RD 00514WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 18WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 19WAS SP 0026WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 33 DGRC THREE-PHASE STEP-DOWN TRANSFORMER BANK 26.4kV TO 4kV Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 34 LG2 CONSTANT CURRENT TRANSFORMER FOR U.G. STREETLIGHT CIRCUIT OPTIONS:NONE BOLT PLATE:NONE NO.ITEM IDQTYDESCRIPTION 1ANC ST 00124ANCHOR, STUD BOLT, 1/4X3/4 IN. 2ARR LI ***1GENERAL CODE FOR ARRESTER 3BKT AC 0034BRACKET, ARRESTER AND CUTOUT, CROSSARM MOUNT 4BKT TM 0011BRACKET, TRANSFORMER MOUNTING 5BKT TM 0032BRACKET, TRANSFORMER ADAPTER PLATE 6BOL DA 0203BOLT, DOUBLE ARMING, 3/4X24 7BOL MS 0152BOLT, MACHINE, SQUARE HEAD, 5/8X2 8BOL MS 0373BOLT, MACHINE, SQUARE HEAD, 3/4X16 9BOL MS 0381BOLT, MACHINE, SQUARE HEAD, 3/4X18 10BOX SE 0011BOX, CONCRETE SECONDARY SERVICE, 17X28 11CAI CL 00460CABLE, PRIMARY, 5kV, 8CU 12CLA TG 0011CLAMP, TRANSFORMER TANK GROUND, #6 SOL. - #1 STR. 13CNN CP 0202CONNECTOR, COMPRESSION, CU, 1/0 14CNN CP 0212CONNECTOR, COMPRESSION, CU, #2 STR. 15CNN VG 0032CONNECTOR, VISE TYPE, 6-2 SOL. - 10-2 SOL. 16CNN WC 0032CONNECTOR, TERMINAL, 12-10 AWG 17COB CO 02820CONDUCTOR, BARE COPPER, #4 SOFT DRAWN 18COD ST 00320CONDUIT, STEEL, 1 IN. 19COD ST 00620CONDUIT, STEEL, 2 IN. 20COI BW 00310WIRE, THWN, 12 SOL. BLACK 21COI BW 00510WIRE, THWN, 12 SOL., WHITE 22COI BW 02125WIRE, THWN, 6 STR., BLACK 23COI BW 02225WIRE, THWN, 6 STR., WHITE 24CUT OT 0043CUTOUT, FUSED, 150KV BIL, 100 AMP, 27KV 25CXA ST 0013CROSSARM, STEEL, 5 X 5 X 10 26FUS UG 0091FUSE, UNDERGROUND, 15A, NON-15 27INS VP 0013INSULATOR, VERTICAL POST, 34.5kV 28MET HU 0021HUB, CONDUIT, 1 IN., INTERCHANGEABLE 29STL PC 0011PHOTOELECTRIC CONTROL, ELECTRONIC, 105-130V 30STL PC 0041PHOTOELECTRIC CONTROL BRACKET 31STP ST 0016STRAP, CONDUIT, STEEL, 1 IN. 32STP ST 0056STRAP, CONDUIT, STEEL, 2 IN. 33STU LI 0033STUD, LINE POST 34TRA SL 00116.6 AMP REGULATED OUTPUT TRANSFORMER 35WAS RD 0042WASHER, ROUND, 1-3/4 IN. DIA., FOR 5/8 IN. BOLT 36WAS RD 00523WASHER, ROUND, 2 IN. DIA., FOR 3/4 IN. BOLT 37WAS SF 0034WASHER, SQUARE, FLAT, 3 IN., FOR 3/4 IN. BOLT 38WAS SP 0024WASHER, SPRING, DOUBLE HELIX, FOR 3/4 IN. BOLT 39WEA HE 0011WEATHERHEAD, 2 IN. 40--1CURRENT TRANSFORMER 41--1POTENTIAL TRANSFORMER 42--20FT1 INCH EMT 43--1FS BOX 44--31 INCH SEALTITE STRAIGHT CONNECTOR 45--11 INCH SEALTITE 45 DEGREE CONNECTOR 46--8FT3/8 IN. THREADED ROD 47--83/8 IN. NUTS 48--83/8 IN. WASHERS 49--11 INCH EMT COUPLING 50--21 INCH EMT CONNECTORS 51--12FTCONDUCTOR, COPPER, #4 SOFT DRAWN 52--4FTCONDUCTOR, COPPER, #6 SOFT DRAWN 53--1SINGLE GANG METER CAN 54--14-POLE TEST BLOCK 55--2C.T. TERMINAL CONNECTORS 56--61 IN. PIPE STRAPS 57--8FTKINDORF OR UNISTRUT CHANNEL Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 35 LG2 CONSTANT CURRENT TRANSFORMER FOR U.G. STREETLIGHT CIRCUIT Overhead Electric Distribution Standards Revised:July 1, 2004Revised By:TACApproved By:KKR TRANSFORMERS TR - 36 LG2 CONSTANT CURRENT TRANSFORMER FOR U.G. STREETLIGHT CIRCUIT