BS 7769-3.1:1997 Electric cables - Calculation of the current rating - Sections on operating conditions - Reference operating conditions and selection of cable type
Applicable to steady-state operation of cables at all alternating voltages and direct voltages up to 5 kV, both buried and in air.
BS 7769-3.1:1997 history
2017BS IEC 60287-3-1:2017 Electric cables. Calculation of the current rating. Operating conditions. Site reference conditions
1997BS 7769-3.1:1997 Electric cables - Calculation of the current rating - Sections on operating conditions - Reference operating conditions and selection of cable type