Fire alarm phone lines and color coding

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sparkyinak #218677 08/08/17 02:16 PM

Joined: Jun 2014

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No it is not, today tip and ring are usually not of interest. The most common pairs for phone line is the white+blue pair. (tip+ring)

dsk

Last edited by dsk; 08/08/17 02:17 PM.

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Entire Thread
Subject	Posted By	Posted
Fire alarm phone lines and color coding	sparkyinak	08/07/13 01:04 AM
Re: Fire alarm phone lines and color coding	dsk	08/08/17 06:16 PM
Re: Fire alarm phone lines and color coding	gfretwell	08/09/17 02:26 AM

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ECN Forum Forums General Topics of the Trade Voice - Data - Video Discussion Fire alarm phone lines and color coding