Resources
Explore IEWC’s collection of in-depth technical guides, educational resources, and industry insights to optimize your wire, cable and wire management solutions.
Technical Guide
Need help selecting the right wire or cable? Have questions on ampacity values? IEWC’s Technical Guide contains answers to our customer’s most frequently asked questions.

Automotive Battery Cable Specifications
Some common questions arise regarding automotive battery cable specifications and the usage of cables in other applications. Learn More
What is a Wire?
Wire refers to a single, usually cylindrical, strand or rod of metal which is used to carry electricity and telecommunications signals. Learn More
Building Wire Guide - THHN vs. Other
In the world of building wire, there are several common choices available that at first appear quite similar. Here we examine some of the most common of them; THHN, THWN, Romex and XHHW. This guide will help explain the differences and make your choice of wire more straightforward. Learn More
Trailer Cable
Just as the term implies, trailer cable is mainly used for trailers and tow-behinds. With this special cable, safety is the number one priority. Trailer cable wires support and supply power for trailer lights and brakes—a crucial job when moving heavy equipment.Learn MoreCertifications & Compliances
20 years ago IEWC became one of the first corporations in the United States to register as an ISO 9001 : 2015 Registered company. Since then, IEWC has continued to focus on the improvement of its entire business structure while fostering a culture of continuous improvement.
