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Calculating Voltage Drop for Safety and Performance

Posted on 8/3/20 4:02 PM

You have a cord connected to a power source on one end and a machine on the other. The good news is that you have power and the machine is working. The bad news is that you have just started using the machine without calculating for voltage drop as the cord length is 65 feet—for long cord assemblies (50 feet or more) it’s important to calculate voltage drop due to potential safety risks.  

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Topics: electrical safety, voltage drop, product design, safety

Strain Reliefs/Cable Glands: Providing Protection to Power Cords

Posted on 3/4/20 2:08 PM

The main purpose of a “strain relief” or “cable gland” is to provide protection to a power cord. They help extend cord life and add stability to the equipment. In generic terms, it is used to secure a power supply cord to a piece of electrical equipment. The term strain relief is commonly used in North America, while cable gland is the preferred term in Europe and other continents.

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Topics: electrical safety, cable glands, strain reliefs, international power components

Selecting Wire and Cable to Meet NFPA 79 Requirements—A Brief Overview

Posted on 11/4/19 8:00 AM

For those manufacturers who are unfamiliar with North American NFPA 79 requirements, simply finding out they need to meet these requirements for a product they are building or preparing to install can cause a considerable state of confusion. This is especially true for foreign manufacturers importing products into North America and for manufacturers venturing into this product field for the first time or who are installing new equipment from abroad.

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Topics: cable, electrical safety, NFPA 79

Defining IP 65 and NEMA 12/4 Enclosure Ratings

Posted on 10/7/19 6:59 AM

Dirt, dust, water—all “adversaries” of electrical products due to the potential damage they can cause. To help protect products from these elements, the International Electrotechnical Commission (IEC) and the National Electrical Manufacturers Association (NEMA) have created classification systems designating different degrees of protection, depending on the application, for enclosures of electrical equipment.

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Topics: electrical safety, designing for export, ingress protection, NEMA 12/4 Enclosure Ratings

Importance of Knowing the Recommended Minimum Bend Radius for Cable

Posted on 9/9/19 7:24 AM

Cable is made up of different components which all need to work together to be effective in whatever product it is a part of, such as a power cord or cord set. If one of the components within the cable becomes damaged in some way, it can directly affect the product. That is why it is important to know the recommended minimum bend radius for the cable being used.

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Topics: cable, electrical safety, product design

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