Table 9
(print from .pdf)
Effective April 16, 2010
Updates All Previous Tables
POLYPHASE MULTI-POSITION GANGABLE METER STACKS
OVERHEAD & UNDERGROUND ENTRANCE
208/120 Volt Wye or 240/120 Volt Delta
100, 200, 400 or 600 Amps
7 Terminal
|
MFG. |
CATALOG # or SERIES |
APPROVED TERMINATION COMPARMENT CATALOG # |
|
CUTLER HAMMER |
100 or 200 Amp Only 37MM Series |
None |
|
GE |
100 or 200 Amp Only TMPR Series
400 Amp TMPR312140RB (320A socket) TMPR312240RB (320A socket)
600 Amp None approved |
None |
|
SIEMENS |
100, 200 or 400 Amp WML Series
600 Amp WMK Series |
400 Amp WEB3400B(65kAIC) WEB3400BU(100kAIC) WES3400BU(100kAIC) |
400 Amp Connectors |
| # of Ports |
Wire Range |
|
1 |
500-750 Kcmil |
|
or |
|
2 |
#1/0Awg-500 Kcmil |
600 Amp WEB3600B(65kAIC) WEB3600BU(100kAIC) WES3600BU(100kAIC) |
600 Amp Connectors |
| # of Ports |
Wire Range |
|
2 |
#2Awg-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) |
* See Note 9
|
DATE |
MFG. |
CATALOG # |
STATUS |
REASON |
|
1/2010 |
Murray |
All |
Removed |
Obsolete |
| Siemens |
All |
Added |
New Meter Base Line |
|
2/2010 |
Siemens |
400 Amp WEB3400B(65kAIC) WEB3400BU(100kAIC) WES3400BU(100kAIC)
600 Amp WEB3600B(65kAIC) WEB3600BU(100kAIC) WES3600BU(100kAIC) |
Added |
New |
|
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: |
|
|
(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 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: |
|
|
(a) |
Compartments |
|
|
(b) |
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. |