Inquiry (采购产品): 4 intrinsic inputs to barrier Hello Tom, I hope to get a quote from you regarding intrinsically safe barriers for my control panel. My box is Nema 4. I will have 4 tank monitoring devices I need to receive a signal from. Help with quoting a barrier system for these inputs. Price is a factor. thanks. **** Hidden Message ***** Bill Preece 46060 Company: Couchman-Conant Inc. E-mail: preece@c-cinc.com **** Hidden Message ***** preece@c-cinc.com