AS/NZS 2947.4:1999
Insulators - Porcelain and glass for overhead power lines - Voltages greater than 1000 V a.c. - Test methods - Insulator strings and insulator sets
standard by Australian/New Zealand Standards, 01/01/1999
Specifies procedures for electrical and mechanical tests on insulators of ceramic material or glass for use on a.c. overhead power and traction lines with a nominal voltage greater than 100 Hz. This Standard applies to insulator strings and sets. This Standard is identical with and has been reproduced from IEC 60383-2:1993.