Conduit need not apply

Jan. 13, 2005
Conduit need not apply
Fieldbus Cables
Foundation fieldbus cables are now rated for Open Wiring. The rating applies to the standard 490 and 496 cables that meet the specifications for fieldbus Type A physical media as defined by IEC 1158-2 and ISA-S50.02. Type ITC, instrumentation tray cable, with just a PVC jacket can now be installed as open wiring up to 50 ft., needing no conduit, armor cable, struts, angles or channels.