I have a lot of systems running our DCS systems and computers. Design standard I use is to install an Isolation transformer with the transformer secondary Ground as my "system" reference ground. Recent harmonic and system analysis have shown this works very well and all the systems are very clean.
Is there any standard or regulation concerning the number of splices, distance apart, voltage drops, maintenance, testing, etc.? Any information would be greatly appreciated.
In trying to determine the classification of our product, we actually performed the following steps:
1) Found we did not have any product greater than
8% volatiles,
2) Then we performed a 24 and 48 hour dust accumulation
test that showed we did not have a hazardous...
