Table 9

Approved Meter Service Devices

(print from .pdf)

Effective December 12, 2017
Updates All Previous Tables

Polyphase Multi-Position Gangable Meter Stacks
Overhead & Underground Entrance
100 200 or 400 Amps, 208/120 Volt Wye or 240/120 Volt Delta
7 Terminal

MFG. CATALOG # or SERIES APPROVED TERMINATION * COMPARTMENT CATALOG #
CUTLER HAMMER

100 or 200 Amp Only
37MM Series

400 AMP
37MM140R1240
37MM240R1240

 None
GE

100 or 200 Amp Only
TMPR Series

400 Amp
TMPR312140RB
(320A socket)
TMPR312240RB
(320A socket)

 None
SIEMENS 100, 200 or 400 Amp
WML Series		 400 Amp
WEB3400B(65kAIC)
WEB3400BU(100kAIC)
WES3400BU(100kAIC)		 400 Amp Connectors
# of Ports Wire Range
1 500-750 Kcmil
or
2 #1 Awg-500 Kcmil
2 #2 Awg-500 Kcmil
or
2 300-500 Kcmil
SQUARE D

100 or 200 Amp
EZML Series

400 Amp
EZML331400
(320A Socket)
EZML332400
(320A Socket)

 None

TERMINATION COMPARTMENTS * FOR USE WITH 1 CABLE SET (Sketch 54A)

MFG. CABINET TYPE ENTRY CATALOG # DRAWING #
EAST COAST PANELBOARD NEMA 1 Indoor Top or Bottom PP-LDC A-01386
NEMA 3R Outdoor Top or Bottom PP-LDC-R A-01387

* See Note 9

MOST RECENT CHANGES

DATE MFG. CATALOG # STATUS REASON
12/2017 GE None Removed 600 Amps (CI 480) (Bolt-in metering)
12/2017 Siemens WMN Series
WEB3600B (65kAIC)
WEB3600BU (100kAIC)
WES3600BU (100kAIC)		 Removed 600 Amps (CI 480) (Bolt-in metering)

NOTES:

  1. The manufacturer's catalog number must be stamped on the outside of the meter base so that it will be visible after the base is installed. The number must not be stamped on the cover.
  2. Mounting:
    1. The center of the bottom meter must be a minimum of 30 inches above the floor for indoor installation and 44 inches above the ground for outdoor installations.
    2. The center of the top meter must not be more than 72 inches above the floor or ground.
    3. There shall be a clearance of 3 feet free space in front of the meter.
    4. On outdoor installations, if the center line of the bottom meter is 60 inches above ground, no barriers are required. If the center line of the bottom meter is between 60 inches and 44 inches above ground barriers are required around the meters; for example, a fence, shrubbery, etc.
  3. Cover: Ringless Style Only, with hasp to accommodate the installation of a wire padlock seal (1/4 inch hole minimum). Each position must have its own cover and the covers must be interchangeable.
  4. Meter Bypasses: All polyphase “ringless” style bases must contain a lever bypass rated 100% continuous duty.
  5. Barriers are required between:
    1. Compartments
    2. Metered and unmetered cables.
  6. Factory bussing is required. No wire jumpers are allowed
  7. Spacing between sockets: 8 1/2, 9, or 10 inch center spacings are acceptable.
  8. All circuit breakers must have a minimum interrupting capacity of 10,000 amps.
  9. Terminal compartment for UG service: When a meter stack is served by an underground service lateral, a termination compartment must be installed ahead of the metering stack. The termination compartment must be pre-approved or meet the minimum dimensions shown on Sheets 54 and 54A (Dwg. A-191000) of PPL's "Rules for Electric Meter and Service Installations".
  10. Socket neutral jaw: As viewed from the front, the third terminal from the left on the bottom row of the seven terminal block must be connected to base neutral using a white #14 awg or larger copper wire.
  11. Anti-inversion insert: As viewed from the front, the upper right hand terminal must contain (Class 320 Only) an “anti-inversion” insert to prevent inverted installation of the meter or installation of a lower class meter.