I can comment on the CM series cables. They are specified in the National
Electrical Code for "Communications" applications. CM is the general
construction, but has limits as to where it can be used in the building. CMR
is designed for use inside walls (R = Risers) and CMP is designed for use in
air handling spaces (P = plenum). CMP can replace CMR which can replace CM.
All of these cables can also replace their equivalent Class II or Class III
cables - e.g., CMP can replace CL2P.
Richard Woods
----------
From: Zohar Zosmanovich [SMTP:zohar_zosmanov...@radwin.com]
Sent: Thursday, May 31, 2001 6:55 AM
To: 'emc-p...@majordomo.ieee.org'
Subject: UL Style Cable
Hi,
1) UL approved communication/computer/data cables marked with UL
Style____
(style 2464, style 2919, Style 2990).
- Where can I find more information about each cable style (I tried
the UL
Web Site)?
- Does cable style specify cable impedance?
2) Short explanation of cable types CM, CMR, CMP.
Thanks
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