CSN EN 50341-2-22

CSN EN 50341-2-22 This NNA applies to designing and constructing of new overhead lines with nominal system voltages exceeding 1 kV AC. "New overhead line" means a totally new line between two points, A and B, built up with new components. The standard PN-EN 50341-1 (Part 1) with this NNA does not apply to modernisation, reconstruction and renovation of the existing lines, unless otherwise specified in the Project Specification.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.