Supplying Operating
Power
2212 Service Manual
General Information
Read all information and heed all warnings
in
this subsection before connecting
the 2212 Oscilloscope to a power source.
I WARNING I
AC
POWER SOURCE
AND
CONNECTION - The
2212
operates from a single-
phase power source.
It
has a three -wire power cord
and
two-pole three-terminal
grounding type plug. The voltage
to
ground (earth) from either pole
of
the power
source
must
not
exceed the
maximum
rated operating voltage, 250 volts.
Before
making
connection
to
the power source, be sure the
2212
has
a suitable
two pole, three-terminal grounding-type plug.
WARNING I
The power
input
plug
must
be inserted
only
in a
mating
receptacle with a
grounding contact where earth ground
has
been verified
by
a qualified service
person.
Do
not
defeat the grounding connection.
Any
interruption
of
the ground-
ing connection can create an electric shock hazard.
For electric shock protection, the grounding connection
must
be
made
before
making
connection to the instruments
input
or
output
terminals.
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