IBM 5100 - Page 167

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AC Power Distribution in a Typical Commercial Building
Transformer
Neutral
Main
Distribution
Panel
I
I
_I
I
I
I
Center _
Bus
............ ~ ........
Tap
Ground~
Bus
These buses must be tied
to an
approved ground source.
They
can be tied through wire 0
but, if possible, a ground source
should
be supplied through wire
1"
l-
N·
A
o also. ~
I
-~
I
These buses
must not be
tied
together
in the power
panel.
B
Gro~nd
Power
Panel
I
Neutral
I
Bus "'-.
It
Ground.,
Bus
r--........
I
I
'\.~ /' Neutral
oav
I
~
t
.. 3
I
I
- I
I
I
Hot .. ~ U ~
I ~ U UI~/--~----------------;-~
120 Vac Receptacle
Front View
To Other
120 Vac
Circuits
Intermittent Failures Troubleshooting Guide 3-85