Great Response in EE Times - RF Cafe Forums
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Post subject: Conduit & Cable Tray Spacing
Posted: Sat Mar 04, 2006 10:37 am
Joined: Sat Mar 04, 2006
I have a standard from one company on conduit and
cable tray spacing based on the certain types of
signals, voltage levels, etc. carried by the cables
in the cable trays/conduits. The length of the cables
also plays a factor in the recommended spacing of
cable trays and conduits. For example, a cable tray
carrying RTD and low level DC signals running in
parallel beside a cable tray carrying 120 VAC must
be spaced at least 6" for every 100' that the cable
trays are running in parallel. The motivation for
this standard is to seperate high noise producing
cables from sensitive cables.
What I am
trying to find is where this standard came from?
Alternately, are there similar, updated, standards
written on the subject? I've looked through the
NEC and CEC thoroughly but have limited access to
ISA and IEEE standards.
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