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Sketch 1
Updated 08-17-2007
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Triplex service drop attachment on building
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Sketch 1a
Updated 11-01-2006
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Pages 1 & 2 - Secondary service drop attachments
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Sketch 2
Updated 01-08-2021
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Pages 1 & 2 - Triplex overhead service drop ConnectDER Meter Collar attachment on building
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Sketch 3
Updated 09-19-2016
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Pages 1 & 2 - Secondary service drop attachment to a mast attached to low building to provide required clearances
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Sketch 4
Updated 09-19-2016
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Secondary service drop attachment on temporary structure for construction
Temporary Overhead Service
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Sketch 4a
Updated 11-04-2004
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Underground secondary service to underground attachment on temporary structure for construction
Temporary Underground Service
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Sketch 5
Updated 09-19-2016
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Overhead secondary service drop attachment to customer-owned service and meter pole for overhead distribution
Single or Three Phase, 240 volts maximum
Self-contained meter
400 ampere maximum
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Sketch 6
Updated 09-19-2016
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Overhead secondary service drop attachment to customer-owned service and meter pole to underground service entrance
Single phase or Three Phase 240 volt maximum, self-contained meter
400 ampere maximum
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Sketch 7
Updated 04-10-2015
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Typical Arrangement of Meter on Building
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VOLTAGE:
1 Phase, 3 Wire 120/240V
1 Phase, 3 Wire 120/208V *
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SERVICE TYPE:
Underground
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AMPERAGE:
* 400 A Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 7a
Updated 03-13-2014
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Slip riser for installation on single phase underground services
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Sketch 7b
Updated 03-18-2011
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Typical Arrangement of Outdoor Meter on Building
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VOLTAGE:
3 Phase, 4 Wire 120/208V
3 Phase, 4 Wire 120/240V
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SERVICE TYPE:
Underground
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AMPERAGE:
400 A Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 7c
Updated 01-08-2021
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Pages 1 & 2 - Typical underground ConnectDER arrangement of outdoor meter on building
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Sketch 8c
Updated 08-12-2011
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Typical meter panel installation for use in conjunction with instrument transformer metering
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Sketch 8d
Updated 08-12-2011
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Pages 1, 2, 3, & 4
Typical meter panel mounting arrangement for use with instrument transformer metering
Single meter panel arrangement
Single meter panel w/auxilary box & dual demand pulse output arrangement
Dual meter panel/auxiliary box combe (2 meters) arrangement
Twin dual meter panel/auxiliary box combo (4 meters) arrangement
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Sketch 14
Updated 09-19-2016
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Typical arrangement of instrument transformers and mounting for installation in instrument transformer cabinet
3 phase, 4 wire, 208Y/120 volts or 3 phase, 4 wire, Delta 240/120 volts, 1200 ampere maximum
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Sketch 14a
Updated 09-19-2016
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Typical arrangement of instrument transformers and mounting for installation in instrument transformer cabinet
Single-phase 120/240 volt or 240/208 volt, Network - 800 to 1200 ampere, single-phase 240/480 volt 600 to 800 ampere
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Sketch 14b
Updated 09-19-2016
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Pages 1 & 2 - Typical arrangement of instrument transformers and mounting for installation in instrument transformer cabinet
3 phase, 4 wire, 208Y/120 volts or 3 phase, 4 wire, Delta 240/120 volts, 2000 ampere maximum
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Sketch 14c
Updated 09-19-2016
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Pages 1 & 2 - Typical arrangement of overhead instrument transformers and mounting for installation in instrument transformer cabinet
3 phase, 4 wire, 208Y/120 volts or 3 phase, 4 wire, Delta 240/120 volts or 3 phase, 4 wire, 480/277 volts 1200 ampere maximum
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Sketch 14d
Updated 09-19-2016
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Pages 1 & 2 - Typical arrangement of overhead instrument transformers and mounting for installation in instrument transformer cabinet
3 phase, 4 wire, 208Y/120 volts or 3 phase, 4 wire, Delta 240/120 volts or 3 phase, 4 wire, 480/277 volts 2000 ampere maximum
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Sketch 15
Updated 09-19-2016
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Typical arrangement of instrument transformer and mounting for installation in instrument transformer cabinet underground
3 phase, 3 wire, 480 volts, 1200 ampere maximum
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Sketch 15a
Updated 09-10-2016
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Typical arrangement of instrument transformers and mounting for installation in instrument transformer cabinet underground service
3 phase, 4 wire, Wye 277/480 volts, 800 Ampere Maximum
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Sketch 16
Updated 09-27-2013
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Pages 1, 2, 3, 4, & 5 - Typical arrangement of pad mounted metering and service termination cabinet up to eight 750 KCMIL conductors per phase
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VOLTAGE:
3 Phase, 4 Wire Wye 120/208V
3 Phase, 4 Wire Wye 277/480V
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SERVICE TYPE:
Underground
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AMPERAGE:
2000 A Maximum
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CABINET LOCATION:
Outdoor
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Sketch 16a
Updated 09-27-2013
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Pages 1, 2, 3, 4, & 5 - Typical arrangement of pad mounted metering and service termination cabinet up to twelve 750 KCMIL conductors per phase
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VOLTAGE:
3 Phase, 4 Wire Wye 120/208V
3 Phase, 4 Wire Wye 277/480V
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SERVICE TYPE:
Underground
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AMPERAGE:
3200 A Maximum
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CABINET LOCATION:
Outdoor
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Sketch 17
Updated 08-17-2007
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Typical arrangement of outdoor meter panel on building
Underground service lateral from overhead or underground distribution
Single phase, 3 wire, 120/208 volts or 120/240 volts
Arrangement of equipment for instrument transformer metering
Services over 400 amps
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Sketch 18
Updated 08-18-2006
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Pages 1 & 2 - Typical Arrangement of Indoor Metering Equipment to Accomodate either Self-Contained or Secondary Instrument Transformer Metering
Underground service from an underground service lateral
Single phase, 3 wire, 120/208 volts or 120/240 volts
3 phase, 4 wire 208Y/120 volts
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Sketch 20
Updated 08-12-2011
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Barriers for equipment installed in location with vehicular traffic
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Sketch 21
Updated 06-24-2009
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Pages 1 & 2 - Typical arrangement of instrument transformers in switchgear cubicle
3 phase, 4 wire, 208Y/120 volts
3 phase, 4 wire, Delta 240/120 volts
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Sketch 23
Updated 03-07-2014
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Pages 1 & 2 - Typical arrangement of instrument transformer in switchgear cubicle
3 phase, 3 wire, 480 volts
3 phase, 4 wire, 480Y/277 volts
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Sketch 25
Updated 09-19-2016
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Secondary service meter base connections for self-contained meters overhead service 100 and 200 ampere
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Sketch 25a
Updated 06-07-2013
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Pages 1 & 2 - Secondary service meter base connections for self-contained meters underground service
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VOLTAGE:
1 Phase, 2 Wire, 120V
1 Phase, 3 Wire, 120/208V Network
1 Phase, 3 Wire, 120/240V
3 Phase, 4 Wire, WYE 120/208V
3 Phase, 4 Wire Delta 120/240V
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SERVICE TYPE:
Underground
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AMPERAGE:
200 A
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METER BASE LOCATION:
Outdoor
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Sketch 25b
Updated 09-17-2008
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Secondary service meter base connections for self-contained meters overhead or underground service
400 Ampere
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Sketch 26
Updated 06-25-2004
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Multi-meter installation using meter base with factory built-in bussing
Single phase, 3 wire, 120/208 volts or 120/240 volts
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| Sketch 27
Updated 10-11-2012
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Metered traffic signal and unmetered streetlight
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VOLTAGE:
120/240
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SERVICE TYPE:
Underground
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AMPERAGE:
100 A Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 28
Updated 10-11-2012
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Pages 1 - 3 - Secondary Service Multi-Meter Installation for Common Service with Instrument Transformer Cabinets and/or Meter Bases
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VOLTAGE:
1 Phase, 3 Wire Network 120/208V
1 Phase, 3 Wire 120/240V
3 Phase, 4 Wire WYE 120/208V
3 Phase, 4 Wire Delta 120/240V
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SERVICE TYPE:
Overhead
Underground
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AMPERAGE:
** 800 A Maximum
* 1200 A Maximum
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METER BASE LOCATION:
Indoor
Outdoor
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Sketch 30
Updated 09-19-2016
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Pages 1 & 2 - High voltage service, Overhead service drop to customer's service disconnect on customer-owned service pole, termination of customer-owned overhead distribution, 15 kV or less
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Overhead
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CUSTOMER LOAD:
4 MVA Maximum
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Sketch 31
Updated 09-19-2016
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Pages 1 & 2 - High voltage service, overhead service drop to customer's service disconnect on customer-owned service pole, termination of customer-owned underground distribution, 15 kV or less
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Underground
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CUSTOMER LOAD:
4 MVA Maximum
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Sketch 32
Updated 09-19-2016
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Pages 1 & 2 - High voltage service, arrangement of customer's single phase service disconnect on customer-owned service and meter pole, 7.2 kV or less
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VOLTAGE:
1 Phase, 7,200V
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SERVICE TYPE:
Overhead & Underground
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CUSTOMER LOAD:
1 MVA Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 33
Updated 09-19-2016
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Pages 1 & 2 - High voltage service, typical arrangement of three phase outdoor metering equipment on customer-owned meter pole, overhead line to overhead distribution,15 kV or less
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Overhead
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CUSTOMER LOAD:
4 MVA Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 34
Updated 09-19-2016
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Pages 1 & 2 - High voltage service, typical arrangement of three phase outdoor metering equipment on customer-owned pole, termination of customer-owned underground distribution, 15 kV or less
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Underground
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CUSTOMER LOAD:
4 MVA Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 39
Updated 09-19-2016
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High voltage service, 3 Phase 4 Wire One line diagram for typical arrangement of customer's service disconnect and metering instrument transformers in switch gear compartments, 12 kV
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Underground
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CUSTOMER LOAD:
4 MVA Maximum
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METER BASE LOCATION:
Indoor
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Sketch 40
Updated 06-25-2004
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High voltage underground supply from overhead-secondary voltage source
Typical arrangement of structural facilities installed by customer to accommodate underground service from a 3 phase pad-mounted distribution transformer
75 kVa to 2500 kVa capacity
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Emergency (Stand-by) Generation Sketch Table
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Sketch 41
Updated 07-29-2011
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Page 1 - Generator Feeding Partial Load
Page 2 - Generator Feeding Full Load
Manual Double Throw Transfer Switch Connection for Emergency
(Stand-by) Generation Service
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VOLTAGE:
1 Phase, 3 Wire Network 120/208V
1 Phase, 3 Wire 120/240V
3 Phase, 3 Wire Delta 480V
3 Phase, 4 Wire WYE 120/208V
3 Phase, 4 Wire Delta 120/240V
3 Phase, 4 Wire WYE 277/480V
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SERVICE TYPE:
Overhead
Underground
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AMPERAGE:
4000 A Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 41A
Updated 07-29-2011
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Page 1 - Generator Feeding Partial Load
Page 2 - Generator Feeding Full Load
Automatic Transfer Switch Connection for Emergency (Stand-by) Generating Service
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VOLTAGE:
1 Phase, 3 Wire Network 120/208V
1 Phase, 3 Wire 120/240V
3 Phase, 3 Wire Delta 480V
3 Phase, 4 Wire WYE 120/208V
3 Phase, 4 Wire Delta 120/240V
3 Phase, 4 Wire WYE 277/480V
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SERVICE TYPE:
Overhead
Underground
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AMPERAGE:
4000 A Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 41B
Updated 07-29-2011
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Page 1 - Generator Feeding Partial Load
Page 2 - Generator Feeding Full Load
Manual Transfer Switch Connection for Emergency (Stand-by) Generating Service
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VOLTAGE:
1 Phase, 7,200V
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Overhead
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AMPERAGE:
11 MVA Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 41C
Updated 07-29-2011
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Page 1 - Generator Feeding Partial Load
Page 2 - Generator Feeding Full Load
Automatic Transfer Switch Connection for Emergency (Stand-by) Generating Service
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VOLTAGE:
1 Phase, 7,200V
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Overhead
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AMPERAGE:
11 MVA Maximum
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METER BASE LOCATION:
Outdoor
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Sketch 41D
Updated 07-29-2011
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Manual Transfer Switch Connection for Emergency (Stand-by) Generating Service
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Overhead
Underground
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AMPERAGE:
11 MVA Maximum
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METER BASE LOCATION:
Indoor
Outdoor
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Sketch 41E
Updated 07-29-2011
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Automatic Transfer Switch Connection for Emergency (Stand-by) Generating Service
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VOLTAGE:
3 Phase, 4 Wire WYE 7,200/12,470V
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SERVICE TYPE:
Overhead
Underground
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AMPERAGE:
11 MVA Maximum
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METER BASE LOCATION:
Indoor
Outdoor
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Sketch 42
Updated 07-28-2004
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Multi-meter installation for overhead service drop attachment for mobile home court
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Sketch 43
Updated 07-28-2004
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Multi-meter installation for underground service lateral attachment for mobile home court
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Sketch 44
Updated 06-25-2004
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Service drop attachment to customer-owned service and meter pole for a mobile home
Single phase 120/240 volts
Self-contained meter
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Sketch 45
Updated 11-04-2004
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Typical arrangement of outdoor mobile home pedestal
Underground service lateral
Single phase, 3 wire, 120/208 volts or 120/240 volts
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Sketch 46
Updated 03-11-2005
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Wiring diagram equipment used to provide demand pulses for customer use
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Sketch 47
Updated 09-19-2016
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Customer wood pole - Dimensional details in accordance with American National Standards Institute (ANSI) 05.1
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Sketch 48
Updated 09-19-2016
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Vertical sealable wire trough, typical method of providing single point of connection, multiple service entrance conductors
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Sketch 49
Updated 08-12-2011
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Page 1 - Insulated Type Distribution Block I-1 & I-2, Bare Type Distribution Block B-1 & B-2
Page 2 - Pre-Assembled Distribution Block With Insulating Barriers
Typical Connectors to be provided by the customer for serving a single point of connection for multiple enclosed service entrance conductors
Distribution Block Connectors when used for Service Drop connections to service entrance conductors shall be covered to avoid inadvertent contact. Except the neutral connection of service cable assemblies may be bare.
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Sketch 49A
Updated 02-22-2005
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Typical connector to be supplied by the customer for providing a single point of connection
Multiple overhead service entrance conductors
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Sketch 50
Updated 09-19-2016
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Underground three phase, 4 wire, 480/277 volt, service entrance arrangements
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Sketch 53
Updated 07-15-2015
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Typical arrangement of wood post pedestal
Underground service lateral from OH or UG distribution
Single phase, 3 wire, 120/208 or 120/240 volts
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Sketch 54
Updated 09-19-2016
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Termination cabinet-all service entries, single phase or three phase, 120/208 volts or 120/240 volts, with 2 to 6 sets of cable
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Sketch 54a
Updated 09-19-2016
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Termination cabinet, all service entries, single phase or three phase, 120/208 volts or 120/240 volts or 277/480V, 1 cable set
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Sketch 55
Updated 08-12-2011
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Page 1 & 2 - Clearances between gas facilities and electric meters
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Sketch 55a
Updated 12-05-2008
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Clearances between objects and electric meters
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Sketch 90
Updated 12-30-2020
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Add new sketch
Pages 1 & 2 - Typical arrangement of single phase outdoor metering equipment on customer-owned meter pole, 7.2 kV or less
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VOLTAGE:
1 Phase, 7,200V
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SERVICE TYPE:
Overhead or Underground
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Customer Load:
1 MVA Maximum
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