Reference Information

Key information from reference documents and guides (e.g.) or succinct descriptions of concepts (e.g. what is risk and how do I visualize it)

Overview and Terminology of Porcelain and Glass Insulators
A suspension insulator, which is sometimes referred to as a “disk insulator” or “bell” is defined by ANSI C29.1 as an insulator with attached metal parts having means for non-rigidly supporting electric conductors. In the IEC standards this insulator type is identified as “cap and pin insulator”, but this term in conflict with ANSI C29.1 in which “cap and pin” identifies a different kind of insulator.

Key Processes of the Contamination Flashover Process
This table shows the 8 step process leading to contamination flashover.