From: ahk@chinet.com   
      
   Stephen Sprunk  wrote:   
   >On 09-Jul-14 14:39, hancock4@bbs.cpcn.com wrote:   
      
   >>Do underground copper cables "wear" and need eventual replacement?   
      
   >Older ones, yes; they weren't very durable.  Newer materials are   
   >virtually impervious to water and rodents, and the wires themselves   
   >don't wear out.   
      
   Oh, I wouldn't say that. The newer thermoplastics used in insulation   
   are excellent, but you never know when you'll make something attractive   
   to rodents, till you've unfortunately installed quite a lot of it   
   then discover the chewing.   
      
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