Rockwell Automation POINTBlock Series User Manual page 37

Install POINT I/O Modules 37
When you connect or disconnect wiring while field side power
WARNING
is on, an electrical arc can occur. This could cause an
explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous
before proceeding.
When connecting more than one wire in a termination point,
ATTENTION
make sure that both wires are the same gauge and type.
Publication 1734-UM001D-EN-P - April 2008