Symbols Marked on Equipment
X DANGER — High Voltage
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 in Table 2 for the selected line.
Grounding the 5320A
The 5320A is a Safety Class I (grounded enclosure) instrument as defined in IEC 348. 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 power (line) 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 Table 4 and Figure 1.
Refer cord and connector changes to qualified service personnel.
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 no need for the operator to ever remove the cover.
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