Master Sketch Table

Rules for Electric Meter and Service Installations (REMSI)

07/2023

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Sketch 1

Updated 08-17-2007

Triplex service drop attachment on building

 
Sketch 1a

Updated 11-01-2006

Pages 1 & 2 - Secondary service drop attachments

 
Sketch 2 

Updated 01-08-2021

Pages 1 & 2 - Triplex overhead service drop ConnectDER Meter Collar attachment on building

 
Sketch 3

Updated 09-19-2016

Pages 1 & 2 - Secondary service drop attachment to a mast attached to low building to provide required clearances

 
Sketch 4

Updated 09-19-2016

Secondary service drop attachment on temporary structure for construction

Temporary Overhead Service

 
Sketch 4a

Updated 11-04-2004

Underground secondary service to underground attachment on temporary structure for construction

Temporary Underground Service

 
Sketch 5

Updated 09-19-2016

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

 
Sketch 6

Updated 09-19-2016

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

 
Sketch 7

Updated 04-10-2015

Typical Arrangement of Meter on Building

 

VOLTAGE:

1 Phase, 3 Wire 120/240V

1 Phase, 3 Wire 120/208V *

SERVICE TYPE:

Underground

 

AMPERAGE:

* 400 A Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 7a

Updated 03-13-2014

Slip riser for installation on single phase underground services

 
Sketch 7b

Updated 03-18-2011

Typical Arrangement of Outdoor Meter on Building

 

VOLTAGE:

3 Phase, 4 Wire 120/208V

3 Phase, 4 Wire 120/240V

SERVICE TYPE:

Underground

 

AMPERAGE:

400 A Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 7c 

Updated 01-08-2021

Pages 1 & 2 - Typical underground ConnectDER arrangement of outdoor meter on building

 
Sketch 8c

Updated 08-12-2011

Typical meter panel installation for use in conjunction with instrument transformer metering

 
Sketch 8d

Updated 08-12-2011

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

 
Sketch 14

Updated 09-19-2016

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

 
Sketch 14a

Updated 09-19-2016

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

 
Sketch 14b

Updated 09-19-2016

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

 
Sketch 14c

Updated 09-19-2016

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

 
Sketch 14d

Updated 09-19-2016

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

 
Sketch 15

Updated 09-19-2016

Typical arrangement of instrument transformer and mounting for installation in instrument transformer cabinet underground

3 phase, 3 wire, 480 volts, 1200 ampere maximum

 
Sketch 15a

Updated 09-10-2016

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

 
Sketch 16

Updated 09-27-2013

Pages 1, 2, 3, 4, & 5 - Typical arrangement of pad mounted metering and service termination cabinet up to eight 750 KCMIL conductors per phase

 

VOLTAGE:

3 Phase, 4 Wire Wye 120/208V

3 Phase, 4 Wire Wye 277/480V

SERVICE TYPE:

Underground

 

AMPERAGE:

2000 A Maximum

CABINET LOCATION:

Outdoor

 
Sketch 16a

Updated 09-27-2013

Pages 1, 2, 3, 4, & 5 - Typical arrangement of pad mounted metering and service termination cabinet up to twelve 750 KCMIL conductors per phase

 

VOLTAGE:

3 Phase, 4 Wire Wye 120/208V

3 Phase, 4 Wire Wye 277/480V

SERVICE TYPE:

Underground

 

AMPERAGE:

3200 A Maximum

CABINET LOCATION:

Outdoor

 
Sketch 17

Updated 08-17-2007

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

 
Sketch 18

Updated 08-18-2006

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

 
Sketch 20

Updated 08-12-2011

Barriers for equipment installed in location with vehicular traffic

 
Sketch 21

Updated 06-24-2009

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

 
Sketch 23

Updated 03-07-2014

Pages 1 & 2 - Typical arrangement of instrument transformer in switchgear cubicle

3 phase, 3 wire, 480 volts

3 phase, 4 wire, 480Y/277 volts

 
Sketch 25

Updated 09-19-2016

Secondary service meter base connections for self-contained meters overhead service 100 and 200 ampere

 
Sketch 25a

Updated 06-07-2013

Pages 1 & 2 - Secondary service meter base connections for self-contained meters underground service

 

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

SERVICE TYPE:

Underground

 

AMPERAGE:

200 A

METER BASE LOCATION:

Outdoor

 
Sketch 25b

Updated 09-17-2008

Secondary service meter base connections for self-contained meters overhead or underground service

400 Ampere

 
Sketch 26

Updated 06-25-2004

Multi-meter installation using meter base with factory built-in bussing

Single phase, 3 wire, 120/208 volts or 120/240 volts

 
Sketch 27

Updated 10-11-2012

Metered traffic signal and unmetered streetlight

 

VOLTAGE:

120/240

SERVICE TYPE:

Underground

 

AMPERAGE:

100 A Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 28

Updated 10-11-2012

Pages 1 - 3 - Secondary Service Multi-Meter Installation for Common Service with Instrument Transformer Cabinets and/or Meter Bases

 

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

SERVICE TYPE:

Overhead

Underground

 

AMPERAGE:

** 800 A Maximum

* 1200 A Maximum

METER BASE LOCATION:

Indoor

Outdoor

 
Sketch 30

Updated 09-19-2016

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

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Overhead

 

CUSTOMER LOAD:

4 MVA Maximum

 
Sketch 31

Updated 09-19-2016

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

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Underground

 

CUSTOMER LOAD:

4 MVA Maximum

 
Sketch 32

Updated 09-19-2016

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

 

VOLTAGE:

1 Phase, 7,200V

SERVICE TYPE:

Overhead & Underground

 

CUSTOMER LOAD:

1 MVA Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 33

Updated 09-19-2016

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

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Overhead

 

CUSTOMER LOAD:

4 MVA Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 34

Updated 09-19-2016

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

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Underground

 

CUSTOMER LOAD:

4 MVA Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 39

Updated 09-19-2016

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

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Underground

 

CUSTOMER LOAD:

4 MVA Maximum

METER BASE LOCATION:

Indoor

 
Sketch 40

Updated 06-25-2004

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

 

Emergency (Stand-by) Generation Sketch Table

 
Sketch 41

Updated 07-29-2011

Page 1 - Generator Feeding Partial Load

Page 2 - Generator Feeding Full Load

Manual Double Throw Transfer Switch Connection for Emergency

(Stand-by) Generation Service

 

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

SERVICE TYPE:

Overhead

Underground

 

AMPERAGE:

4000 A Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 41A

Updated 07-29-2011

Page 1 - Generator Feeding Partial Load

Page 2 - Generator Feeding Full Load

Automatic Transfer Switch Connection for Emergency (Stand-by) Generating Service

 

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

SERVICE TYPE:

Overhead

Underground

 

AMPERAGE:

4000 A Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 41B

Updated 07-29-2011

Page 1 - Generator Feeding Partial Load

Page 2 - Generator Feeding Full Load

Manual Transfer Switch Connection for Emergency (Stand-by) Generating Service

 

VOLTAGE:

1 Phase, 7,200V

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Overhead

 

AMPERAGE:

11 MVA Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 41C

Updated 07-29-2011

Page 1 - Generator Feeding Partial Load

Page 2 - Generator Feeding Full Load

Automatic Transfer Switch Connection for Emergency (Stand-by) Generating Service

 

VOLTAGE:

1 Phase, 7,200V

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Overhead

 

AMPERAGE:

11 MVA Maximum

METER BASE LOCATION:

Outdoor

 
Sketch 41D

Updated 07-29-2011

Manual Transfer Switch Connection for Emergency (Stand-by) Generating Service

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Overhead

Underground

 

AMPERAGE:

11 MVA Maximum

METER BASE LOCATION:

Indoor

Outdoor

 
Sketch 41E

Updated 07-29-2011

Automatic Transfer Switch Connection for Emergency (Stand-by) Generating Service

 

VOLTAGE:

3 Phase, 4 Wire WYE 7,200/12,470V

SERVICE TYPE:

Overhead

Underground

 

AMPERAGE:

11 MVA Maximum

METER BASE LOCATION:

Indoor

Outdoor

 
Sketch 42

Updated 07-28-2004

Multi-meter installation for overhead service drop attachment for mobile home court

 
Sketch 43

Updated 07-28-2004

Multi-meter installation for underground service lateral attachment for mobile home court

 
Sketch 44

Updated 06-25-2004

Service drop attachment to customer-owned service and meter pole for a mobile home

Single phase 120/240 volts

Self-contained meter

 
Sketch 45

Updated 11-04-2004

Typical arrangement of outdoor mobile home pedestal

Underground service lateral

Single phase, 3 wire, 120/208 volts or 120/240 volts

 
Sketch 46

Updated 03-11-2005

Wiring diagram equipment used to provide demand pulses for customer use

 
Sketch 47

Updated 09-19-2016

Customer wood pole - Dimensional details in accordance with American National Standards Institute (ANSI) 05.1

 
Sketch 48

Updated 09-19-2016

Vertical sealable wire trough, typical method of providing single point of connection, multiple service entrance conductors

 
Sketch 49

Updated 08-12-2011

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.

 
Sketch 49A

Updated 02-22-2005

Typical connector to be supplied by the customer for providing a single point of connection

Multiple overhead service entrance conductors

 
Sketch 50

Updated 09-19-2016

Underground three phase, 4 wire, 480/277 volt, service entrance arrangements

 
Sketch 53

Updated 07-15-2015

Typical arrangement of wood post pedestal

Underground service lateral from OH or UG distribution

Single phase, 3 wire, 120/208 or 120/240 volts

 
Sketch 54

Updated 09-19-2016

Termination cabinet-all service entries, single phase or three phase, 120/208 volts or 120/240 volts, with 2 to 6 sets of cable

 
Sketch 54a

Updated 09-19-2016

Termination cabinet, all service entries, single phase or three phase, 120/208 volts or 120/240 volts or 277/480V, 1 cable set

 
Sketch 55

Updated 08-12-2011

Page 1 & 2 - Clearances between gas facilities and electric meters

 
Sketch 55a

Updated 12-05-2008

Clearances between objects and electric meters

 

Distributed Energy Resources (DER) Sketch Table REV (07-31-2023)

Installation of approved inverters which exclusively utilize the IEEE 2030.5 (SEP2) communications protocol, including Enphase, shall be designed to legacy DER Sketch requirements in use as of 12/31/2020. These sketches can be found by visiting Distributed Generation Organization Sketch Table Map 9-19-2016. For additional information on DER Management device compatibility, please visit our Solar Inverter web page. This information is subject to change and will be updated here when this guidance is altered or rescinded.

Customer shall contact PPL EU Prior to any new installations depicted in these sketches.

Sketch 56

Updated 07-31-2023

Page 1 & 2 & 3 - Inverter-based renewable generation for DG capacity < 64.4 amps for meter base size ≤ 200 amps for ≤ 240V installations.

*The maximum parallel (generation) permitted on single-phase installation is 150 kW

 

VOLTAGE:

1 Phase, 3 Wire Network 120/208V*

1 Phase, 3 Wire 120/240V*

SERVICE TYPE:

Overhead  / Underground

Inverter Continuous Current:

≤ 64.4 Amps

AMPERAGE:

200 Amps Maximum

METER BASE LOCATION:

Self-contained/Outdoor

Bus Bar Rating:

N/A

Sketch 56A

Updated 07-31-2023

Page 1 & 2 & 3 - Inverter-based renewable generation for generator capacity over 20% of the load center bus bar rating-for self-contained metering (excluding 480V) installations

 

VOLTAGE:

1 Phase, 3 Wire Network 120/208V*

1 Phase, 3 Wire 120/240V*

SERVICE TYPE:

Overhead / Underground

 

Inverter Continuous Current:

N/A

AMPERAGE:

≤ 200 Amp Maximum

METER BASE LOCATION:

Outdoor

Bus Bar Rating:

≤ 20%

Sketch 56B  

Updated 07-31-2023

Page 1 & 2 & 3 - Inverter-based renewable generation for DG capacity ≥ 64.4 amps over 20% of the load center bus bar rating for meter base size > 200 amps for ≤ 240V installations.

*The maximum parallel (generation) permitted on single-phase installation is 150 kW

 

VOLTAGE:

1 Phase, 3 Wire Network 120/208V*

1 Phase, 3 Wire 120/240V*

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

≤ 200 Amp Maximum

METER BASE LOCATION:

Outdoor

Bus Bar Rating:

N/A

Sketch 57 

Updated 07-31-2023

NOT FOR NEW CONSTRUCTION

Page 1 & 2 & 3 - Inverter-based renewable generation for DG capacity up to and including 20% of the load center bus bar rating for 480V, self-contained metering installations.

*The maximum parallel (generation) permitted on single-phase installation is 150 kW

 

VOLTAGE:

1 Phase, 3 Wire Network 277/480V*

1 Phase, 3 Wire 240/480V*

3 Phase, 4 Wire WYE 277/480V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

≤ 200 Amp Maximum

METER BASE LOCATION:

Self-contained / Outdoor

Bus Bar Rating:

≤ 20%

Sketch 57a 

Updated 07-31-2023

NOT FOR NEW CONSTRUCTION

Page 1 & 2 & 3 - Inverter-based renewable generation for DG capacity over 20% of the load center bus bar rating for 480V, self-contained metering installations

 

VOLTAGE:

1 Phase, 3 Wire Network 277/480V*

1 Phase, 3 Wire 240/480V*

3 Phase, 4 Wire WYE 277/480V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

N/A

METER BASE LOCATION:

Self-contained / Outdoor

Bus Bar Rating:

N/A

Sketch 58 

Updated 07-31-2023

Page 1 & 2 & 3 -Inverter-based renewable generation for DG capacity up to and including 20% of the load center bus bar rating for CT cabinet/secondary for < 600V installations.

*The maximum parallel (generation) permitted on single-phase installation is 150 kW

 

VOLTAGE:

1 Phase, 3 Wire Network 120/208V*

1 Phase, 3 Wire Network 120/240V*

3 Phase, 4 Wire WYE 120/208V

3 Phase, 4 Wire Delta 120/240V

3 Phase, 4 Wire WYE 277/480V

3 Phase, 4 Wire Delta 480V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

N/A

METER BASE LOCATION:

CT / Secondary

Bus Bar Rating:

≤ 20%

Sketch 58a  

Updated 07-31-2023

Page 1 & 2 & 3 -Inverter-based renewable generation for DG capacity over 20% of the load center bus bar rating for CT cabinet/secondary metering installations.

*The maximum parallel (generation) permitted on single-phase installation is 150 kW

 

VOLTAGE:

1 Phase, 3 Wire Network 120/208V*

3 Phase, 4 Wire WYE 120/208V

3 Phase, 4 Wire Delta 120/240V

3 Phase, 4 Wire WYE 277/480V

3 Phase, 3Wire Delta 480V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

N/A

METER BASE LOCATION:

Self-contained / Outdoor

Bus Bar Rating:

ANY

Sketch 59 

Updated 07-31-2023

Page 1 & 2 & 3 -Inverter-based renewable generation for DG capacity up to and including 20% of the load center bus bar rating for 12kV metering installations.

 

VOLTAGE:

1 phase, 7200V

3 phase, 4 wire WYE 7200/12,240V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

N/A

METER BASE LOCATION:

Primary Metering

Bus Bar Rating:

≤ 20%

Sketch 59a 

Updated 07-31-2023

Page 1 & 2 & 3 -Inverter-based renewable generation for DG capacity over 20% of the load center bus bar rating for 12kV metering installations

 

VOLTAGE:

1 phase, 7200V

3 phase, 4 wire WYE 7200/12,240V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

N/A

METER BASE LOCATION:

Primary Metering

Bus Bar Rating:

N/A

Sketch 59b 

Updated 07-31-2023

Page 1 & 2 & 3 -Inverter-based renewable generation for 12kV Switchgear installations

 

VOLTAGE:

1 phase, 7200V

3 phase, 4 wire WYE 7200/12,240V

SERVICE TYPE:

Overhead / Underground

Inverter Continuous Current:

N/A

AMPERAGE:

N/A

METER BASE LOCATION:

Primary Metering

Bus Bar Rating:

N/A 

Sketch 90

Updated 09-19-2016

Add new sketch

Pages 1 & 2 - Typical arrangement of single phase outdoor metering equipment on customer-owned meter pole, 7.2 kV or less

 

VOLTAGE:

1 Phase, 7,200V

SERVICE TYPE:

Overhead or Underground

 

Customer Load:

1 MVA Maximum