Three Phase Underground 208V-240V

Master Sketch Table

09-2018

These sketches provide rules for three-phase underground (208V-240V) service. Specifications for underground service are at the bottom of the page.

SKETCH # DESCRIPTION

Sketch 7B

Typical Arrangement of Meter on Building

Sketch 8C

Meter panel installation for use in conjunction with instrument transformer metering

Sketch 8D

Meter panel mounting arrangement for use with instrument transformer metering

Sketch 14

Instrument transformers and mounting for installation in instrument transformer cabinet. 1200A max.

Sketch 14B

Instrument transformers and mounting for installation in instrument transformer cabinet. 2000A max.

Sketch 16

Pad mounted metering and service termination cabinet up to eight 750 KCMIL conductors per phase. 208V, 2000A max.

Sketch 16A

Pad mounted metering and service termination cabinet up to twelve 750 KCMIL conductors per phase. 208V, 3200A max.

Sketch 18

Indoor Metering Equipment to Accommodate either Self-Contained or Secondary Instrument Transformer Metering

Sketch 20

Barriers for equipment installed in location with vehicular traffic

Sketch 21

Typical arrangement of instrument transformers in switchgear cubicle

Sketch 25A

Secondary service meter base connections for self-contained meters underground service. 200A

Sketch 25B

Secondary service meter base connections for self-contained meters overhead or underground service 400A.

Sketch 28

Secondary service multi-meter installation for common service with instrument transformer cabinets and/or meter bases.

Sketch 40

Structural facilities installed by customer to accommodate underground service from a 3 phase pad-mounted transformer

Sketch 46

Wiring diagram equipment used to provide demand pulses for customer use

Sketch 47

Customer wood pole

Sketch 49

Typical Connectors to be provided by the customer for serving a single point of connection for multiple enclosed service entrance conductors

Sketch 53

Typical arrangement of wood post pedestal. Underground service lateral from OH or UG distribution

Sketch 54

Termination cabinet for 2-6 sets of cable

Sketch 54A

Termination cabinet for 1 set of cable

Sketch 55

Clearances between gas facilities and electric meters

Sketch 55A

Clearances between objects and electric meters

Specs

SPEC # DESCRIPTION

6-14-125

Placing Plants, Shrubbery or Structures around pad-mounted devices

6-15-160

Customer Installed Precast Manhole

6-15-180

Customer Installed Duct System

6-17-122

Customer Installed Three-Phase Pad-Mounted Precast Transformer Foundation. 75KVA to 2500KVA Capacity

6-17-163

Customer Installed Transformer Vault. 30KVA to 2500KVA Capacity

6-18-115

Installation Instructions for Customer Installed Conduit Systems on PPL Terminal Poles

6-19-100

Customer Low-Voltage Switchboards. Service Cable Terminal Compartment.

6-22-187

Installation Instructions for 3-Phase, 200 Amp Switchgear Foundation

6-22-197

Installation Instructions for 3-Phase, 600 Amp Switchgear Foundation

6-22-198

Three-Phase Pad-Mounted Manual or Automatic Source Transfer Switch

6-22-199

PPL EU Ultra Service Park Typical Utility Plan