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IEC 60720 Ed. 1.0 b:1981

Characteristics of line post insulators
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IEC 60720 Ed. 1.0 b:1981

Characteristics of line post insulators

PUBLISH DATE 1981
IEC 60720 Ed. 1.0 b:1981

Characteristics of line post insulators:

Line post insulators are designed to provide mechanical support and electrical insulation for overhead power lines.

They are typically used on transmission and distribution lines to isolate conductors from the supporting structure.

Key features include:

  • High mechanical strength to withstand conductor tension and external forces.
  • Good electrical insulation properties to prevent leakage currents and flashovers.
  • Durability in various weather conditions, including rain, wind, and pollution.
  • Compact design to minimize space on the cross-arm or pole.
  • Material construction from porcelain, glass, or composite polymers depending on application requirements.

Applies to line post insulators with insulating parts of ceramic material intended for a.c. overhead lines with a nominal voltage higher than 1 000 V and a frequency not higher than 100 Hz.

SDO IEC: International Electrotechnical Commission
Document Number IEC 60720
Publication Date Jan. 1, 1981
Language b - English & French
Page Count
Revision Level 1.0
Supercedes
Committee 36
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