I have seen in the past where people apply separate bonding conductors across metal piping flange connections. I believe this to be a practice brought forth by the concerns of static discharge in hazardous areas.
Does anyone have experience with this (especially with application in the...
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There are many forum postings that discuss this topic. I would like to draw on everyone's practical experience as it applies to the NEC 2011 and referenced ISA standards on the subject.
Hypothetical Design:
- AB PLC 5/05 with Analog Input card rated for installation in Cl I Div 2 (no...
I work for a company who packages a very specialized type of petrochemical/refining chemical process machinery. Occasionally, we will also package associated compressor packages as well if they add benefit to the proposal. An electrical engineer by school, and instrumentation and controls...
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I am currently specifying a electromechanical component for use in hazardous location (hydrogen) typically defined as Class 1 Div 2 Group B.
The device I want to use does not have the typical UL/FM approvals that I know of. It is approved per the ATEX directeive as Ex nA II T3 X for gas...
