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NI 9264 Operating Instructions and Specifications 4 ni.com
Caution When module terminals are hazardous voltage
LIVE (>42.4 V
pk
/60 VDC), you must ensure that devices
and circuits connected to the module are properly insulated
from human contact. You must use the NI 9940 connector
backshell kit to ensure that the terminals are not accessible.
Figure 1 shows the NI 9940 connector backshell.
Figure 1. NI 9940 Connector Backshell
Safety Guidelines for Hazardous Locations
The NI 9264 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