ANSI C29.1 : 1988

FOREWORD
1 Scope
2 Definitions
  2.1 Insulators and Parts
  2.2 Low-Frequency Voltages
  2.3 Impulse Voltages
  2.4 Mechanical Strength
  2.5 Miscellaneous
3 Test-Specimen Mounting for Electrical Tests
  3.1 Suspension Insulators
  3.2 Line Insulators (Pin, Post)
  3.3 Apparatus Insulators (Cap and Pin, Post)
  3.4 Strain Insulators
  3.5 Spool Insulators
4 Electrical Tests
  4.1 General
  4.2 Low-Frequency Dry Flashover Voltage Tests
  4.3 Low-Frequency Wet Flashover Voltage Tests
  4.4 Low-Frequency Dry Withstand Voltage Tests
  4.5 Low-Frequency Wet Withstand Voltage Tests
  4.6 Low-Frequency Dew Withstand Voltage Tests
  4.7 Impulse Flashover Voltage Tests
  4.8 Impulse Withstand Voltage Tests
  4.9 Radio-Influence Voltage Tests
  4.10 Visual Corona Test
  4.11 Puncture Tests
5 Mechanical Tests
  5.1 Ultimate Mechanical-Strength Tests
  5.2 Combined Mechanical-and Electrical-Strength Test
       (Suspension Insulators)
  5.3 Time-Load-Withstand-Strength Test
  5.4 Porosity Test
  5.5 Thermal Test
  5.6 Pinhole-Gaging Test
6 Galvanizing Test
7 Routine Tests
  7.1 Electrical Tests
  7.2 Mechanical Tests
8 Revision of American National Standards Referred to in
  This Document

Describes a manual of test methods to be followed in making tests to determine the characteristics of electrical power insulators, as defined herein.