Providing answers to some of the most frequently asked electrical and electronic wire and cable technical questions.
Choosing the right conductor size for a given application can be a daunting task. This Wire Wisdom will highlight critical considerations that influence the selection of a conductor size.
This Wire Wisdom addresses some of the most frequently asked questions regarding a supplemental rating for type TC, ITC and PLTC tray cables—the ER rating for cables used in exposed or extended runs.
Low-voltage cable shielding provides an efficient way to manage electromagnetic interference. Learn about various shielding types, effectiveness and proper grounding techniques.
Discover the essentials of cables permitted in NEC tray installations, including cable types, flame testing, mechanical and application requirements, and more.
This Wire Wisdom details the insulation thickness required for the different insulation levels (100%, 133%, 173%) across 5, 8, 15, 25 and 35 kV ratings.
Learn what minimum bend radius is and why it is critical during cable installation and review examples of bend radius calculations in this Wire Wisdom.
The Canadian Electrical Code, published by the Canadian Standards Association (CSA) includes references to a series of wire and cable flame tests. Learn more.
Compare copper and aluminum properties including conductivity, tensile strength and weight. Learn how environmental exposure affects copper and aluminum conductors.
High-temperature wire can be found in environments with elevated temperatures and harsh conditions. This Wire Wisdom will help you with selecting the right cable for the environmental conditions to ensure the cable expected life span will not be affected.
Vertical-tray tests examine the flame spread on cables installed in a vertical test chamber, simulating real-world industrial cable conditions. Learn more about these tests in this Wire Wisdom.
Jackets help mechanically protect the insulation and conductor core of the cable. This Wire Wisdom explores various types of cable jackets, their mechanical and chemical properties.
Photovoltaic wire, also known as PV wire, is a single-conductor wire used to connect the panels of a photovoltaic electric energy system.
A proper cable can militate against EMI, stray ground currents and voltage reflections and ensure safe and reliable operation of VFD (variable-frequency drive) systems.
Learn what it takes to be able to use the UL Marks and what value UL’s Follow-Up Services bring to users.
Common conductor coating materials, application methods, thickness and more.
This Wire Wisdom examines how resistance affects wire and cable.
The NEC accommodates flexible connections in hazardous locations.
Explore the existing options and changes for the new UL standards for Switchgear and Controlgear.
An overview of the characteristics of several common jackets used for cords and cables in industrial automation applications.
Learn about some of the most common temperature ratings used in the wire and cable industry.
What happens with the leftover cable assembly insulation or jacket materials, such as PVC?
This Wire Wisdom provides a summary of three key regulations that apply to products used in the European Union.
Compare wire and cable conductor strand types with our clear diagrams and simple explanations.
Practical tips and experienced advice on pulling cable for successful installations.
The most common test methods conducted on wire or cable after an installation.
This Wire Wisdom explores the history, properties, discontinuation and the alternatives of Hypalon.
Learn the basics of American Wire Gauge (AWG) from definition, to electrical properties, and metric conversions.
This Wire Wisdom covers the principles of electric current; from basic definitions to ampacity ratings and more.
Learn the principles of ampacity, temperature ratings and derating factors.
Welding cable information on ampacity and sizing and recommended applications, including sizing and strand count charts, can be found in this Wire Wisdom.
Learn about the common causes and discover methods to minimize the potentially negative effects of insulation and jacket shrinkback.
Learn how color codes decrease potentially hazardous confusion by ensuring cables are in compliance with applicable codes.
View the minimum operating temperature and installation temperature of various standard cabling types and learn why they are important to adhere to are discussed in this Wire Wisdom.
This Wire Wisdom covers the basics of UL AWM Styles; how the Styles are determined and how they can be identified.
Learn about thermocouple and thermocouple types, thermoelectricity, measuring and reference junctions, extension wire and RTDs in this Wire Wisdom.
Hazardous locations require specific types of cable and/or installation methods. Learn how to select the right cable type for your industrial application.
Wire strippability is often taken for granted, but it quickly becomes a major concern if difficulties arise. This Wire Wisdom covers some of the key characteristics that influence wire strippability.
Learn about category cables, specifically U.S. 600 V category cable, industry standards for your application and other considerations.