Instruments in Divison 2: Hot Work Permit Required, Division 2 Wiring

  1. Trunk: Division 2 wiring methods as defined in NEC501, which relates to mechanical protections
  2. Spurs: Division 2 wiring methods as defined in NEC501, which relates to mechanical protections
  3. Instruments: manufacturer control drawing defines the installation
     

Many fieldbus applications require the device couplers and field devices to be installed in a Division 2 area. Division 2 certified field devices connected to a Segment Protector fit this application, but a hot work permit is required to work on installation or instrument.


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