Secondary service, Primary service – Alpha Technologies PN-4 User Manual
Page 20

031-103-B0-004, Rev. D
20
4.0 Installation,
continued
4.1
Utility Powering, continued
4.1.3
Sample Input Power Panels, continued
Fig. 4-8, Schematic: Primary Service BBX-70A with IPP-240-1
Fig. 4-7, Schematic: Secondary Service BBX-70A with IPP-120-1
G
N
G F C I
20A
G
N
G F C I
15A
Secondary Service
1) Main bonding jumper is NOT installed.
2) Grounding electrode conductor is NOT installed.
3) Lightning protection is part of feeder supply.
Service
and
Distribution
Load
Equipment
Grounding
Condutor
NO Main Bonding
Jumper
BBX-70A
120/20A
120/15A
IPP-120-1
From
Feeder
Supply
Line 1
Line 2
Neutral
From
Service
Supply
Line 1
Line 2
Neutral
Grounding
Electrode
Conductor
Lightning
Protection
Primary Service:
1) Main bonding jumper is installed.
2) Grounding electrode conductor is installed.
3) Lightning protection is bonded outside of cabinet.
BBX-70A
Main Bonding Jumper
240/15A
120/15A
Service
and
Distribution
Load
IPP-240-1
15A