SJTW Cable: What does it mean and how is it used?
SJTW means a hard service cable with a thermoplastic jacket, rated for 300 volts, and weather-resistant for outdoors. S stands for Service, J is for Junior, T is vinyl Thermoplastic, and W means Weather approved.
Power cables are the fundamental components of any electrical system. There are various types of cables available on the market. The choice of which types of cables can be used for specific purposes depends on a variety of factors, the most important of which is the technical requirements of the functions.
As much as you can be familiar with electrical cables, there may still be things about power cables that are new to you, just like the SJTW cable. If you’re trying to learn more about the SJTW cable, you might find it fascinating that it has several applications. Much of the time, these cables are commonly used in the lighting and electrical equipment industries. There are also several types of SJT cables, each with advantages and drawbacks.
SJTW Cable: What does it mean, and how is it used?
SJTW is an industry-standard abbreviation used on wire and cable. It means it is a hard service, thermoplastic cable rated for 300V and approved for outdoor use. S is for service; J is for junior (defined as hard service instead of extra hard); T is the coating (thermoplastic/vinyl); W is weather approved.
Applications of SJTW Cable
Industrial Uses
In assessing what kind of applications SJT cables could have, looking at their size and number of conductors may be helpful. In particular, the bigger the cable size, the more capable it is of supporting significant power levels. Therefore, if you discover a lot of large cables to be used, they are likely looking to use SJT cables for industrial purposes. But on the other hand, cables that you would find in small companies, such as professional digital studios, will usually be smaller as they do not require the power support needed for industrial enterprises.
Lighting
When it comes to lighting, the SJTW cable is one of the most straightforward rubber cables. The different properties inside the cable make it the ideal choice for lighting contractors and professionals. This implies that lighting for industrial settings or other situations, such as professional photoshoot illumination, can be assisted by this cable. As you might expect, the type of cable used for professional photo sessions differs significantly from that used for industrial lighting. They are both SJT cables, however, and thus demonstrate the cable’s flexibility.
Electrical Appliances
In addition, several companies requiring electrical equipment would power these appliances via SJT cables. This is because the SJTW wire is very durable and can support very high levels of electricity. As a result, this type of cable is in heavy use for industrial and smaller commercial scenarios. Depending on the type of electrical equipment, there will be different lenghs and sizes of SJT cables to ensure the most reliable power supply for these appliances.
Also Read: What You Should Know About Mini Split Wiring And Cables
SJTOW vs SJOOW
There is another variant for SJTW cable where they add the letter “O,” meaning oil resistant. As you can observe, there’s a lot of variation between SJTOW cable and SJOOW cable. These portable cords are weatherproof junior service cords classified at 300V and have similar applications. Well, what’s the difference, then? The most significant difference between SJTOW and SJOOW lies in the makeup of the cable.
The “T” in SJTOW means thermoplastic materials in the jacket and insulation. This unique thermoplastic material used in our SJTOW is made of PVC. One “O” means that only the jacket is oil resistant, not the jacket and the insulation. Regarding SJOOW, the lack of the “T” indicates that rubber is used instead of thermoplastic. Double “OO” means that the jacket and the lining resist gasoline. In this situation, the rubber compounds used in our SJOOW cables are EPDM for insulation and Neoprene for jackets.
Even though both are highly flexible and oil-resistant, the SJOOW has both an insulation and a resistant jacket, and the rubber makes it much more flexible than the SJTOW. That being said, the SJTOW with thermoplastic instead of rubber provides consistency in the implementation with a little more robustness than the SJOOW rubber.
How to choose the right SJTW cables?
There are many applications for SJT cables, especially in the lighting and electrical equipment industry. In addition, if you look at different companies, whether categorized as heavy industrial or commercial photography, they mostly use SJT cables as they are very flexible cables that are much cheaper than other varieties available.
Various numbers of conductors can be identified for SJTW cables: the more conductors, the more strength. You’ll find, however, that the wider cables you’ll see in commercial companies can be as wide. The fundamental rationale for the cables getting so big is that they need to be longer to accommodate more conductors. As conductors are costly, companies that only need a little electricity would prefer to use smaller cables.
Contact Tevelec
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