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WARNIN G
WARNIN G
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Appendix A. Installation and Maintenance
AC Line Power Supply Requirements
To avoid the possibility of injury or death, you must observe the
following precautions before switching on the instrument.
• If this instrument is to be energized via an autotransformer for
voltage reduction, ensure that the Common terminal connects to the
earth pole of the power source.
• Insert the power cable plug only into a socket outlet provided with a
protective earth contact. Do not negate this protective action by the
using an extension cord without a protective conductor.
• Before switching on the instrument, the protective earth terminal of
the instrument must be connected to a protective conductor. You can
do this by using the power cord supplied with the instrument.
• Do not interrupt the protective earth connection intentionally.
The following work should be carried out by a qualified electrician.
All local electrical codes must be strictly observed. If the plug on
the cable does not fit the power outlet, or if the cable is to be
attached to a terminal block, cut the cable at the plug end and rewire
it.
The color coding used in the cable depends on the cable supplied. If
you are connecting a new plug, it should meet the local safety
requirements and include the following features:
• Adequate load-carrying capacity (see table of specifications).
• Ground connection.
• Cable clamp.
To avoid the possibility of injury or death, please note that the HP
E5574A does not have a floating earth.
The HP E5574A is not designed for outdoor use. To prevent potential
fire or shock hazard, do not expose the instrument to rain or other
excessive moisture.
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