Instrumentation Cable Specification: Blue vs. Black

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ravindran_52k3 Associate Join Date: May 2009 Posts: 41	Instrumentation Cable Specification: Blue vs. Black 10/30/2010 2:29 AM
	I am in power plant project, I am about to lay cables for IS & no -IS systems. Is there any standard to use Blue sheathed cables for IS systems and Black Sheathed cables for Non-IS systems. Thanking you in advance.
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Fareed1974 Member Join Date: Oct 2010 Posts: 6 Good Answers: 1	#1 Re: Instrumentation Cable Specification: Blue vs. Black 10/30/2010 11:56 AM
	Light blue color coding shall be used to identify intrinsically safe wiring. The preferred practice is to specify intrinsically safe interconnecting cables with a blue outer jacket. Alternatively, blue sleeves slipped over the jacket at all points of termination may be used to identify I.S. wiring ANSI/ISA-RP12.6-1995 504-80 Identification (c) Color coding. Color coding shall be permitted to identify intrinsically safe conductors where they are colored light blue and where no other conductors colored light blue are used. Mohammed Fareeduddin
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