Excellent! Your bottom paragraph was what I was trying to verify. A project (SBR WWTP) that a co-worker of mine is inspecting recently installed several of these. On his punchlist, he directed them to ground the Xmtr. I mentioned to him that this wasnt a common practice as the transmitter is...
Salesperson?
I've been working in the I&C Field for years in Petrochemical, Refining, Power, and Water/WasteWater. I'm no salesperson....but, maybe its time for a switch...I could use the raise...
Like I said above, I've never seen a ground wire landed on the internal or external ground...
Thanks for the replys!
Basically, what I found is that Rosemount provides the transient voltage grounding screw (internal/external) for local code purposes. What they do caution against is running that ground wire in the same conduit as the 4-20mA loop as an errant lightning strike could cause...
Quick question for the grounding experts. Why does Rosemount supply grounding screws with all of their 2-wire (DC) transmitters when in the thousands that I've either installed, calibrated, or commissioned, I have never seen a ground wire pulled and/or terminated.
Thanks!
