Safety Guidelines for Hazardous Voltages
If hazardous voltages are connected to the device, take the
following precautions. A hazardous voltage is a voltage greater
than 42.4 Vpk voltage or 60 VDC to earth ground.
Caution
Ensure that hazardous voltage wiring is
performed only by qualified personnel adhering to local
electrical standards.
Caution
Do not mix hazardous voltage circuits and
human-accessible circuits on the same module.
Caution
Ensure that devices and circuits connected to
the module are properly insulated from human contact.
Caution
When module terminals are hazardous
voltage LIVE (>42.4 Vpk/60 VDC), you must ensure
that devices and circuits connected to the module are
properly insulated from human contact. You must use
the NI 9939 screw terminal connector backshell kit to
ensure that the terminals are not accessible.
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NI 9224 Getting Started Guide
