52120A
Users Manual
1-4
Safety Information
This Product complies with:
• EN/IEC 61010-1:2010
• CAN/CSA C22.2 No. 61010-1-04
• ANSI/UL 61010-1:2004
• EN 61326-1:2006
In this manual, a Warning identifies conditions and procedures that are dangerous to the
user. A Caution identifies conditions and procedures that can cause damage the Product
or the equipment under test.
For safe operation of this Product, follow all the warnings and cautions in this manual.
XW Warning
To prevent possible electrical shock, fire, or personal injury:
• Read all safety Information before you use the Product.
• Never connect line power to a Product input or output
connector, other than the mains power receptacle.
• Use this Product indoors only.
• Do not use the Product around explosive gas, vapor, or in
damp or wet environments.
• Examine the case before you use the Product. Look for
cracks or missing parts. Carefully look at the insulation
around the terminals.
• Use only the mains power cord and connector approved for
the voltage and plug configuration in your country and rated
for the Product.
• Make sure the ground conductor in the mains power cord is
connected to a protective earth ground. Disruption of the
protective earth could put voltage on the chassis that could
cause death.
• Replace the mains power cord if the insulation is damaged
or if the insulation shows signs of wear.
• Do not use and disable the Product if it is damaged.
• Be aware the 52120A binding posts may be connected to
supply lethal voltages. If one terminal of a pair is connected,
the other may also be at lethal potential.
• Do not energize voltage circuits unless the Product cables
are either properly connected at both ends or disconnected
at both ends.
• Use only cables with correct voltage ratings.
• Use extreme caution when the current output terminals of
the Product are connected to voltage circuits, as lethal
voltage may be present.
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