The National Electrical Manufacturers Association (NEMA) published NEMA HV 2-2014 Suspension and Post Type Insulators for Electric Power Overhead Lines General Use Information.
HV 2 provides guidelines for the proper use of insulators and
suggestions for precautions to be taken against improper use. This
latest edition of HV 2 was rewritten to include all suspension and post
type high-voltage insulators as covered in the ANSI C29 series of
American National Standards.
HV 2-2014 may be downloaded at no cost or purchased in hardcopy for $61 on the NEMA website.
The National Electrical Manufacturers Association (NEMA) represents 350 electrical and medical imaging manufacturers at the forefront of electrical safety, reliability, resilience, efficiency, and energy security. Our combined industries account for more than 400,000 American jobs and more than 7,000 facilities across the United States. Domestic production exceeds $114 billion per year and exports top $50 billion.