- Trunk: Division 2 wiring method for high-power trunk per NEC: PLTC or ITC cable/wire tray, armored cable, or conduit
- Spurs: intrinsically safe wiring according to NEC504
- Instruments: intrinsically safe instruments with Entity or FISCO parameters
The FieldBarrier is certified for Division 2 mounting with outputs extending into the Division 1 area. Field devices connected in this scenario are intrinsically safe certified devices with Entity or FISCO parameters.