Rockwell Automation 1797-PS1E FLEX Ex 85-253V AC In/Quad-Ex DC Out Power Supply - Manual (Page 9)

FLEX Ex 85…253V ac In/Quad-Ex dc Out Power Supply 9
Publication 1797-5.33 - April 2007
3. Connect the blue IS-safe output power wiring to the output terminals
making sure all connections are tight.
These power supply outputs provide the input power to the FLEX Ex
modules.
4. Thread the hazardous incoming power wiring through the black
compression seals.
5. Connect the hazardous incoming power wiring to the input terminals
making sure all connections are tight.
You can daisy chain the hazardous incoming power wiring to further
supplies to simplify system wiring.
6. Replace the lid of the EEx e terminal box.
7. Screw the lid back into place making sure all of the screws are tight.
ATTENTION
Keep hazardous and IS-safe wiring separated in a suitable
fashion. Do not leave long, excess wiring that could bridge
between the hazardous and safe areas.