A and Lattice Mast
The A and lattice type iron masts which are used low voltage networks are standardized by the bank of provinces. These standardized sizes are different for short and long masts.
The type A ones are symbolized as 8I, 10I, 12I, 6,5U, 8U, 10U, 12U or 8Ik, 10Ik, 12Uk. The U or I in the symbols shows the cut view of the iron.
Some have the sizes 9,10- 9,35- 9,55- 9,70 m 9,90- 10,10- 10,55 m. Their average length are 9,5 m for short length, and 10 m for medium length.
