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What is a Wooden Pole?Wooden PolesDefinitionWooden poles were widely used for 400 volts and 230 volts low tension (L.T.) lines and 11 K.V. high tension (H.T.) lines. Occasionally, they were used for 33 K.V. lines.Wooden Poles AdvantageWith proper maintenance and treatment, wooden poles can last a long time.Wooden Poles Classification The breakdown force is above 850 Kg/cm2. Examples are Shaal, Masua wood, etc. The breakdown force is between 630 Kg/cm2 and 850 Kg/cm2. Examples are Tik, Seishun, G