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.
Electrical Manufacturers Association (NEMA) represents nearly 350 electrical
equipment and medical imaging manufacturers that make safe, reliable, and efficient products
and systems. Our combined industries
account for 360,000 American jobs in more than 7,000 facilities covering every
state. Our industry produces $106 billion shipments of electrical equipment and
medical imaging technologies per year with $36 billion exports.