
UM344-2 APPENDIX B - HAZARDOUS AREA INSTALLATION DRAWINGS
September 1995
B.0 APPENDIX B - HAZARDOUS AREA INSTALLATION DRAWINGS
This Appendix contains four Figures that present wiring and barrier selection information for installation of
a Model Series 344 Transmitter in a hazardous location. Refer to the barrier manufacturer’s installation
instructions and the following Figures when installing or servicing a Transmitter in a hazardous location.
The installer should carefully select barriers based on the required protection, loop wiring, manufacturer’s
barrier performance data, and the data in the following Figures. Entity parameters are stated in Figure B-
1.
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