Nortel SONET AccessNode Quick Reference Manual page 13

Figure 1-1
CBN ac power distribution and utility receptacle ground wiring scheme
Unless otherwise specified by the operating company
or by local codes, the receptacles are standard
3-conductor receptacles and the receptacle boxes
are not insulated from frame ground.
Isolated ground
receptacle (orange)
Insulated metal-clad cable unless
(See Note 1)
otherwise required by the customer
L
N
Dedicated ACEG
ACEG
Insulated metal clad cable or
insulated conduit unless otherwise
required by the customer
Secondary ac
panel
AC feed in conduit or armored cable:
- L, N, and ACEG for 120 V ac;
- L1, L2, N, and ACEG for 208/240 V ac
Note 1: For standard utility receptacles, 3 conductors are wired (L, N, and ACEG). For the
isolated-ground receptacles, (orange) 4 conductors are wired to include a dedicated ACEG lead.
Note 2: In compact installations, such as customer-located equipment, the building principal ground
(BPG) reference serves the same functions as the FGB, and a secondary ac panel is not used.
AccessNode ABM Bay Cable Connection Quick Reference Guide Issue 1.0
ABM bay ac power requirements 1-3
Standard receptacle
(See Note 1)
L
N
ACEG
ACEG Floor
ground bar
(FGB)
(See Note 2)
ACEG
Building principal
Primary ac panel
ground (BPG)
Other grounds
Right odd