Symbols Marked on Equipment
X DANGER — High Voltage, risk of electric shock
J Protective ground (earth) terminal
W Attention — refer to the manual. This symbol indicates that information about
the usage of a feature is contained in the manua
l.
Power Source
The 5320A is intended to operate from a power source that will not apply more than 264V
ac rms between the supply conductors or between either supply conductor and ground. A
protective ground connection, by way of the grounding conductor in the power cord, is
essential for safe operation.
Use the Proper Fuse
To avoid fire hazard, use only the fuse specified on the line voltage selection switch label,
which is identical in type voltage rating, and current rating.
Grounding the 5320A
The enclosure is grounded through the grounding conductor of the power cord. To avoid
electrical shock, plug the power cord into a properly wired, earth grounded receptacle
before connecting anything to any of the 5320A terminals. A protective ground
connection, by way of the grounding conductor in the power cord, is essential for safe
operation.
Use the Proper Power Cord
Always use the line power cord and connector appropriate for the voltage and outlet of the
country or location in which you are working.
Always match the line cord to the instrument.
• Use the AC line cord supplied with this instrument with this instrument only.
• Do not use this line cord with any other instruments.
• Do not use any other line cords with this instrument.
Use only the power cord and connector appropriate for proper operation of a 5320A in
your country.
Use only a power cord that is in good condition.
For detailed information on power cords, refer to Figure 2-1.
Do Not Operate in Explosive Atmospheres
To avoid explosion, do not operate the 5320A in an atmosphere of explosive gas.
Do Not Remove Cover
To avoid personal injury, do not remove the cover from the 5320A. Do not operate the
5320A without the cover properly installed. There are no user-serviceable parts inside the
5320A, so there is never a need for the operator to remove the cover.
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