I am a littel bit confused regarding all the tables listed in ANSI C2. In table 235-6 the clearance in any direction from line conductor to support arm is listed to 1240 mm. This value conflicts with the requirement to electrical clearance, 2150 mm (IEC 2100 mm) according to table 232-4. Can...
Is there any American or Panamania standard, requirements or recommendations for steel towers used for high voltage circuits. I intent to connect a new 230 kV substation to an existing 230 kV overhead line at an existing suspension, tangent steel tower. Because of the cut and connection, we have...