Suspension and Post Type Insulators for Electric Power Overhead Lines General Use Information

Abstract

Although NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the documents, nor does it independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its Standards and guideline publications. In publishing and making this document available, NEMA is not undertaking to render professional or other services for or on behalf of any person or entity, nor is NEMA undertaking to perform any duty owed by any person or entity to someone else. NEMA does not certify, test, or inspect products, designs, or installations for safety or health purposes. This document is intended to provide guidelines for the proper use of insulators and to suggest precautions to be taken against improper usage that may not be readily apparent to the user. The need for this guide was indicated by the knowledge of customers’ experiences, which manufacturers of suspension insulators gained over many years