Cord Grips

Cord grips are essential components used in various applications to attach and secure cables to electrical boxes, control panels, or equipment. They often work in tandem with cable glands to provide a robust solution that helps in preventing cable damage. One of the primary functions of a cord grip is to form a seal around the cable, protecting it from factors like moisture and dust. This seal is particularly beneficial in industrial settings where cables might be subjected to harsh conditions.
Cord grips are generally made from various materials, including flexible PVC or more durable metals, and they come in different shapes and sizes. These fittings can snugly attach to cables, providing a stable base that can be connected to electrical boxes or conduit. This ensures that the wire or cable is not only secure but also remains flexible, allowing for some bend without inducing stress on the cable itself.
The ability of cord grips to seal out moisture is particularly important in environments that might be exposed to water or other liquids. It is also essential in maintaining the integrity of electrical connections, as moisture can create a host of issues including corrosion and electrical shorts.
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These components are also integral in ensuring that cables don't suffer damage due to pulling or stretching forces. When cables pass through a conduit, cord grips can protect the cables by reducing the likelihood of abrasion or kinking. This is crucial in preserving the operational longevity of both the cables and the equipment to which they are connected.
Cord grips often come with special features like an arc-resistant design or a built-in filter, making them even more versatile in their utility. They are relatively easy to install and can offer significant advantages in controlling and managing cables effectively. Whether you're setting up a complex industrial machine or a simple home electrical box, cord grips serve as a simple yet effective solution to manage and protect your cables.
FAQs
Can a cord grip accommodate the cable diameter of armored cable?
Yes, cord grips can be designed to accommodate the cable diameter of armored cable. For armored cable, cord grips may have a larger opening or a special design that allows for the thicker diameter of the armor layer.
Maintaining NEMA 4 Rating When Making Enclosure Penetrations
Cutouts are very common when modifying enclosures for push buttons, indication lights, conduit entries or mounting hardware. Cutting into an enclosure runs the risk of eliminating the protective nature of the NEMA rated attributes. Proper steps must be followed in order to preserve the NEMA rating of an enclosure.
Devices mounted to the enclosure must have the same NEMA rating as the enclosure
This means that if the devices are installed to the manufacturer's specifications, they will be able to maintain the NEMA rating of the enclosure.
Water tight conduit hubs must be used when running wire through a cutout in an enclosure
There are many different types of conduit hubs that are used to secure conduit to an enclosure. However, only certain conduit hubs are rated for a watertight seal. By using water tight hubs, the NEMA rating of the enclosure is maintained.
Bonded washers are necessary when mounting hardware to an enclosure
If standard mounting hardware is used, the NEMA rating of the enclosure will no longer be maintained. Bonded washers have rubber gaskets that make a watertight seal around the drilled hole. It is also important to make sure the material used for the bonded washer matches the material of the enclosure. Stainless steel enclosures require stainless steel bonded washers.