HP 3457A - 2-12. Grounding Requirements

34574 Installation
oe;
POWER CORDS
a> Gp a
AUSTRALIA
DENMARK
EUROPE
GREAT
BRITAIN
SWITZERLAND
UNITED
STATES
UNITED
STATES
120V
240V
Country Part Number | Opt. | Voltage
Australia 8120-1369 901 250V 6A
Denmark 8120-2956 912 | 250V 6A
Europe 8120-1689 902 250V 6A
Great Britain 8120-1351 900 | 250V 6A
Switzerland 8120-2104 906 | 250V 6A
“United States 8120-1378 903 | 120V 10A
“United States 8120-0698 904 | 240V 10A
Power cords supplied by HP have polarities matched to the power input socket on the instrument:
¢ L = Line or Active Conductor (also called "live" or "hot").
* N = Neutral or Identified Conductor
* E = Earth or Safety Ground
NOTE:
Plugs
are
viewed
from
connector
end.
Shape
of
molded
plug
may
vary
within
country.
&
*
CSA
certification
includes
only
these
Power
Plugs
Figure 2-3. Power Cables
2-12. Grounding Requirements
2-13.
To
protect
operating
personnel
from
shock
hazard,
the
National
Electrical
Manufacturer’s
Association
(NEMA)
recommends
grounding
the
instrument
cabinet.
The
-hp-
3457A
is
equipped
with
a
three
conductor
power
cord
which,
when
connected
to
an
appropriate
outlet,
grounds
the
metal
portions
of
the
cabinet.
2-14, Bench Use
2-15,
The
-hp-
Model
3457A
is
shipped
with
feet
and
tilt
stands
installed
and
is
ready
for
use
as
a
bench
in-
strument.
The
feet
are
shaped
to
permit
stacking
with
other
-hp-
full-module
instruments.
2-16. Rack Mounting
2-17.
The
-hp-
3457A
may
be
rack
mounted
by
adding
rack
mounting
kit
Option
908
when
ordering
the
in-
strument.
The
rack
mounting
kit
may
also
be
ordered
separately
by
ordering
-hp-
Part
Number
5061-1168.
The
basic
hardware
and
instructions
for
rack
mounting
is
contained
in
the
kit.
The
rack
mounting
hardware
is
designed
to
permit
the
3457A
to
be
mounted
in
a
standard
19
inch
rack,
provided
that
sufficient
rear
sup-
port
is available.
Refer
to
Section
|
for
other
mounting
options.