Safety Guidelines For Hazardous Locations - National Instruments NI 9770 Getting Started Manual

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Safety Guidelines for Hazardous Locations

The NI 9770 is suitable for use in Class I, Division 2, Groups A,
B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4
and Ex nA IIC T4 hazardous locations; and nonhazardous
locations only. Follow these guidelines if you are installing the
NI 9770 in a potentially explosive environment. Not following
these guidelines may result in serious injury or death.
Caution
connectors unless power has been switched off or the
area is known to be nonhazardous.
Caution
been switched off or the area is known to be
nonhazardous.
Caution
suitability for Class I, Division 2.
Do not disconnect I/O-side wires or
Do not remove modules unless power has
Substitution of components may impair
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