Keysight 34921A-34925A User’s Guide 9
The AC Voltage source (outlet) must be in proper working order and provide
a secure electrical connection. Do not use the outlet if the power cord makes
a loose connection or if the power cord plug does not match the outlet. Do
not use the outlet if it is damaged or if the voltage is outside the required
range.
Do not use adapters or extension cords. These devices may not be
sufficiently rated to carry the required current and become a safety hazard.
ENVIRONMENTAL HEALTH & SAFETY: When any channel is connected to a
hazardous voltage source, the instrument and the device under test should
be supervised, following local EHS practices to restrict access.
CAUTION WITH HAZARDOUS VOLTAGES: When any channel is connected to
a hazardous voltage source, all channels in the module should be treated as
hazardous and all channel wiring in the module should be rated for the
maximum voltage applied. Thermocouples attached to any other channel on
the module should have insulation rated for the maximum voltage, or have
additional insulation added rated for the maximum voltage and should be
isolated from conductive parts using a thermal compound or tape rated for
the maximum voltage applied. Do not mount, move or remove any
thermocouples when the device under test is connected to a supply source.
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