Table 7

Approved Meter Service Devices

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Effective November 12, 2012 
Updates All Previous Tables

SINGLE PHASE
2 TO 6 POSITIONS
ALL IN ONE
OVERHEAD & UNDERGROUND ENTRANCE
120/240 or 208/120 Volt
100 or 200 Amp
4 or 5 Terminals

MFG.

CATALOG # or SERIES

CUTLER HAMMER

1 MP Series with RRLB Suffix

GE

TMMR Series
MIDWEST MM Series
MURRAY PAK Metering MP Series
SIEMENS PAK Metering WP Series and WPL Services 
SQ D MPH Series

 

MOST RECENT CHANGES

DATE

MFG.

CATALOG #

STATUS

REASON

11/2012

Siemens

PAK Metering - WP Series and WPL Series

Approved

Added WP and WPL Series

NOTES:

1.

Meter bases used for 208/120 volt, 3 wire services must have a 5th terminal installed in the 9 o'clock position.

2.

The manufacturer's catalog number must be stamped on the outside of the meter base or on a label inside the base so that it will be visible after the base is installed. The number must not be stamped on the cover.

3.

Mounting:

 

(a)

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.

 

(b)

The center of the top meter must not be more than 72 inches above the floor or ground.

 

(c)

There shall be a clearance of 3 feet free space in front of the meter.

 

(d)

On outdoor installations, if the center line of the bottom meter is 60 inchesabove 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.

4.

Cover: Ringless style only.

5.

Bypasses: Horn Type, Rated 100% or Lever bypass with 100% rating.

6. Meter guides are required on at least 2 positions.

7.

Barriers are required between:

 

(1)

Compartments

 

(2)

Metered and unmetered cables.

8.

Factory bussing is required. No wire jumpers permitted.

9.

Spacing between sockets: 8 1/2, 9, or 10 inch center spacings are acceptable.

10.

All circuit breakers must have a minimum interrupting capacity of 10,000 amps.