This outline covers the requirements for one- or multi-conductor telecommunication central office power@ battery and distribution cables for use in telecommunication central office power plants. The cables are rated 75@ 90@ or 105??(167@ 194@ or 221?? dry@ optionally 60@ 75@ or 90??(140@ 167@ or 194?? wet@ and 300@ 600@ 1000@ or 2000 V.
SUBJECT 2731-2015由UL - UL 发布于 2015-08-21,并于 2015-10-15 实施。
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