3. Cabling
3-29
TI 32P01J10-01EN
WARNING
The wiring that will be intrinsic safety circuits must be installed so that they are electrically
separated from the wiring of non-intrinsic safety circuits, including the in-cabinet wiring. Install the
wiring according to the IEC 60079-14 standards or the requirements for explosion-proof wiring of
the country where the system is used.
Example of Junction Box Installation and Grounding Wiring
F030423.ai
IOBP
IOBP
IOBP
IOBP
Insulation sheet
Junction box ground
Protective grounding system
Grounding bus Inlet
Grounding bar
N-IO Node
Junction Box
NIU
Protective conductor terminal/Functional grounding terminal (screw: M4)
Functional
grounding
terminal
(screw: M4)
Figure Example of N-IO Node devices Installation and grounding wiring
Oct. 25, 2016-00