SAFETY CONSIDERATIONS
GENERAL
This product and related documentation must be reviewed for familiarization with safety markings and
instructions before operation.
This product is a Safety Class
I
instrument (provided with a protective earth terminal).
BEFORE APPLYING POWER
Verify that the product is set to match the available line voltage and the correct fuse is installed. Refer
to Section
II, Installation.
SAFETY EARTH GROUND
An uninterruptible safety earth ground must be provided from the mains power source to the product
input wiring terminals or supplied power cable.
SAFETY SYMBOLS
Instruction manual symbol; the
The WARNING sign denotes a hazard. It
cails
product will be marked with this attention to a procedure, practice, or the like.
symbol when it is necessary for the which, if not correctly performed or adhered to,
user to refer to the instruction could result in personal injury. Do not proceed
manual. beyond a WARNING sign until the indicated
4
. .
conditions are fully understood and met.
Indicates hazardous voltages.
a
The CAUTION sign denotes a hazard. It calls
l ndicates terminal is connected attention to an operating procedure, practice, or
/jS7
OR
to chassis when such connection the like, which, if not correctly performed or
is not apparent. adhered to, could result in damage to or
destruction of part or all of the product. Do not
Alternating current.
proceed beyond a CAUTION sign until the
indicated conditions are fully understood and met.
-
-
-
Direct current.
SAFETY INFORMATION
I]
Any interruption of the protective grounding conductor (inside or outside the instrument) or discon-
necting the protective earth terminal will cause a potential shock hazard that could result in personal
injury. (Grounding one conductor of a two conductor outlet is not sufficient protection.)
Whenever it is likely that the protection has been impaired, the instrument must be made inoperative
and be secured against any unintended operation.
If this instrument is to be energized via an autotransformer (for voltage reduction
I
make sure thecommon
terminal is connected to the earthed pole terminal
(neutral) of the power source.
Instructions for adjustments while covers are removed and for servicing are for use by service-trained
personnel only. To avoid dangerous electric shock, do not perform such adjustments or servicing unless
qualified to do so.
For continued protection against fire, replace the line
fuse(s~ only with
250V
fuse(s) of the same current
rating and type (for example, normal blow, time delayi. Do not use repaired fuses or short circuited
fuseholders.
When measuring power line signals, be extremely careful and always use a step-down isolation trans-
former whose output voltage is compatible with the input measurement capabilities of this product. This
product's front and rear panels are typically at earth ground, so
NEVER TRY
TO
MEASURE
AC
POWER
LINE SIGNALS WITHOUT AN ISOLATION TRANSFORMER.
HP
5334B
-
Service
Manual
. . .
111
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