TREE PROTECTION 



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Figure 8. Tree trouble board prepared by wire-using agencies. Approximately x 1 9, 

 A. Electric light insulators used by liglit companies to protect wire from trees. 

 Telephone tree wire used for drop wire through trees. 

 Telephone wires showing abrasion from trees. 



Effect of contact with light wire after insulation was worn off in tree. 

 Electric light tree wire before use. 

 Electric light tree wire showing abrasion from trees. 

 Electric light wire showing wear from hanging in electric light insulators. 

 Tree guard for telephone wire. 



Tree guard for telephone cable covering cable and strand. 

 Tree guard for telephone cable covering strand only. 



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