UNE 21191-2:1992 CALCULATION OF THE CYCLIC AND EMERGENCY CURRENT RATING OF CABLES. CYCLIC RATING OF CABLES GREATER THAN 18/30 (36) KV AND EMERGENCY RATINGS FOR CABLES OF ALL VOLTAGES.
2009UNE 21191-2:1992/1M:2009 Calculation of the cyclic and emergency current rating of cables. Part 2: Cyclic rating of cables greater than 18/30 (36) kV and emergency ratings for cables of all voltages.
1992UNE 21191-2:1992 CALCULATION OF THE CYCLIC AND EMERGENCY CURRENT RATING OF CABLES. CYCLIC RATING OF CABLES GREATER THAN 18/30 (36) KV AND EMERGENCY RATINGS FOR CABLES OF ALL VOLTAGES.